Sql case when multiple columns Commented Nov 26, 2020 at 10:58. PRNAME = 'TECH PEP MEETING DATE' AND T. In that case you may want to Is there a way to create a CASE statement that can look one column (Issue) as if it detects ‘Overforecasted’ or ‘Undeforcasted’ to also look at another column (column Start Date and DMDUNIT) as if it repeats 3 times in a I have a query in which I am executing the same case statement across multiple columns, i. Type or a. Ask Question Asked 12 years, 2 months ago. . But I can't tell you how to fix this, because I can't see the rest of the query or data. Multiple case statement sum. Is it possible to SELECT value of two or more columns with one shot of CASE statement? I mean instead of: select ColumnA = case when CheckColumn='condition' then 'result1' end ,ColumnB = case when . Case statement for multiple column. udf_Split( T. CASE statement using 2 different columns. Commented Dec 13, SQL Server CASE With concatenating columns. PRNAME = 'BRU MEETING DATE' AND T. this is intended to be in the where clause), I'd suggest you look again at what you're trying to do and Multiple columns return in CASE Statement SQL. Would I have to do multiple CASE inside multiple CASE? – Filip Bartuzi. select statement on CASE. I believe SQL server will do this automatically. I'm trying to figure out how to do a SQL Server CASE command with multiple conditions. For example, rather than unioning or grouping these three subqueries, you can have three small standalone queries run in You need multiple CASE expressions:. Ask Question Asked 3 years, Maybe. id) > 1 then a. MySQL Case select query. The source table has three columns (year, city, data1). ap. Asking for help, clarification, or responding to other answers. This formula can be used to get the minimum value of multiple columns but its really messy past 2, min(i,j,k) would be min(i,min(j,k)) CASE is an expression - it returns a single result of a well defined type:. discountf as though they hold values which will evaluate accordingly when compared to 0. CAMPUS = 'A' THEN R. I am trying to transpose the column 'city' into separate columns for the purpose of comparing the data for selected cities. Is it possible to return multiple columns using 1 case statement? 1. Here's my code: I need to change the column value from 2 columns Example Declare column*A int, column*B int, columnC int If columnA = 1, columnB = 1 then columnC = 1 If columnA = 0, columnB = 1 then columnC = 1 Is this mysql or SQL Server? You have tagged both. This is my query SELECT SR. I wrote a query like the one below but it does not seem to have updated correctly all the appropriate rows where some / all of these column(s) are having NULL. Did you using MS Sql Server if yes you can try this. Here's a SO that explains that. Additionally, it is contradictory to use "multiple columns" and name those multiple columns as column_1, right? :) You can use another column to store the other id with (a similar case) and use nulls to represent the else values, just While a CASE expression could potentially be used, the conditions get progressively more complicated as each column selector has to enumerate the various null/not-null combinations of the source columns to determine which value to select. Ask Question Asked 2 years, 11 months ago. SQL update rows in column using CASE statement. Value , Row_Number() Over ( Partition By T. SQL Case When Repeating Conditions. For example, if you have case text like 'warning%' make an isWarning bit column, or a type varchar and store 'Warning' in it. The way it works is - Once it finds the first non-null value it stops looking and substitutes in that non-null value. CASE WHEN T. So, you need to repeat the case for each column:. Any help would be certainly appreciated. 7 returning multiple columns using Case in Select Satement in Oracle. MySQL query using CASE to SELECT multiple columns. CountryGroup ELSE g. SQL CASE vs multiplication. In this article, we’ll explore how to use the CASE statement with multiple conditions, providing simple examples that should work across most major relational database I'm having difficulties writing a case statement with multiple IS NULL, NOT NULL conditions. CreatedBy or a. Position, Z. status I receive the following error: column "follow_up" does not exist. Nested SQL case statement. SQL Case Statement Based on Column value. (When region is null, then LEN(region) is also null, and NULL > 5 is false. Rownumber = a. SQL Query with multiple CASE statements using the same field as THEN. I have an idea to pull it for one column using CASE, but not sure how to do it for multiple columns. SQL doesn't support multiple returns from a case. Sum of three columns which is populated using case statement in sql. This can make a big difference in readability. It updates perfectly the value of 'D' of the two entries I want to update, but it also deletes the values of "D" of the other entries, and I want them to stay with their previous As you write an SQL query, you may need to get values from multiple columns and change values from one form to another. Using Multiple CASE Statements. stored proc for update record using case or if else condition. ColumnY, TB1. Position ) As Num From Table As T Cross Apply dbo. , column_name = 'value'. 3. In your case you say: Return NULL if my CASE evaluates to 0. Modified 2 years, 11 months ago. If these are actually meant to be filtering rows (e. UNLESS Table1. I would use EXISTS subquery with HAVING. 4. How to GROUP BY with a CASE statement? 1. Wherever the value in subject columns (Geography, History and Maths) is NON NULL, I need the 'subject' value of the recepective column name. ?) but it comes handy when The table consists of an ID in the first column and the remainder of the columns have either 'Y' or 'NULL' in them - a HUGE majority of the columns are NULL. Remove duplicates in Unlock the power of SQL CASE WHEN with 10 beginner-friendly exercises. SQL Server : case statement. Static PIVOT: If you want to apply the PIVOT function, then I would first suggest unpivoting the category and activity columns into multiple rows and then apply the pivot function. I tried using CASE statements but without much luck. return more than 1 value after THEN statement used with CASE. Adjust column and table name to your actual data. Hot Network Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company A result set in SQL has a fixed set of columns - you can't vary how many columns there are on a row-by-row basis. PRSTATUS != 2 THEN WHEN T. The syntax in this case (heh) would be more like the following. The question's I am trying to transpose column data into separate columns. Column B contains Months Jan - Oct. well the earlier case statement would fetch u multiple rows but i think this is what should be ur sql statement if u want to convert rows into columns assuming that there are only 2 rows 'VMF' and 'SNR' as u mentioned. Provide details and share your research! But avoid . Getting latest date for multiple records. [Summa] END, '0') AS [Prikhod], NULLIF( CASE WHEN [d]. 0/SUM(SUM(CASE WHEN Year = '2010' THEN Total ELSE 0 END)) OVER '2010 Percent of Total' ,SUM(CASE WHEN Year = '2011' THEN Total But as you can see this will be inefficient as I have to basically duplicate the full case logic for each conditional columns. 16. SQL CASE SUM WHEN. Try it out: SELECT NULLIF( CASE WHEN [d]. SQL - Case statement with multiple then. Now I would like to add an additional sorting parameter based on otherValue. With "only" three columns depending on same case statement the code below doesn't save much typing (probably execution time. ordinal but when I add dcs. CASE in UPDATE that determines column to update? 0. CASE WHEN A=X AND B=Y THEN END What you are trying to do in your example is return a table (2 columns) into a resultset that expects one column: col1, col2, (col3,col4). 7 SQL update rows in column using CASE statement. It is better to order them separately. Commented Jul 28, 2021 at 1:01 The CASE statement is one of the most flexible and powerful constructs in SQL. Value , Case When ThirdName Is Null Then SecondName . CASE in UPDATE that determines column to update? 1. Commented Jan 29, 2019 at 14:12. For future references, if you check a column for NULL in first WHEN, then in second WHEN you can skip that checking, because if sedol would be NULL, it wouldn't even evaluate your second WHEN. Modified 12 years, 2 months ago. *; Is there a "better" way to rewrite a SELECT clause where multiple columns use the same CASE WHEN conditions so that the conditions are only checked Multiple CASE WHEN statements allow you to implement conditional logic in SQL queries, allowing for the evaluation of multiple conditions and the execution of different actions based on those conditions. Col2 = UPDATE my_table SET D = CASE WHEN (A = 6 AND B = 1 AND C = 'red') THEN '1#2#3#5#4' WHEN (A = 8 AND B = 1 AND C = 'green') THEN '5#6#7#8#9' END But this query updates all entries in the table. In all the similar posts and examples i have found the code below should work. CASE WHEN with multiple values. GROUP By the CASE statement SQL Server. I actually have multiple CASE WHEN statements but yeah using Number as a filter condition also works and simple. I have two tables and based on the sum of a field in TABLE1 I have to return different datasets from TABLE2: I am trying to Try this instead: SELECT CAST(EntryDate AS VARCHAR(25)) + CAST(TotalTime AS VARCHAR(10)) as DataLine FROM TimeSheet WHERE EmployeeID = 'AA01'; I want to use column_1 as a key and update column 3, column 4 and column 5 with known values. – Gordon Linoff. Also, this is no way "clean" in case there are a lot of similar columns. PRSTATUS != 2 THEN I have used case statement, i have retrieved only one record for two conditions with only one column so generate this sql from your table definition – amdixon. SQL Query with Distinct and Count. Now I need to select data based on some condition and have to display data as new column . NETID ELSE NULL END) AS "A_NETID", MAX(CASE WHEN R. g. change the order of your field selection, because case should be first column to be retrieved with alias in mysql the code should be as follows. SparkSQL "CASE WHEN THEN" with two table Multiple Calculations in CASE Statement SQL. 26. You can call multiple analytic functions inside your inner query, with different partition-by clauses, instead of just one; and then work from those - combing the analytic ranking of the grades and steps within the case expressions. Ask Question Asked 12 years, 3 months ago. in my "real world example" I have multiple case conditions (not just true). Commented Mar 14, 2019 at 4:00. Here is the query that I have tried with: T-SQL Remove Duplicate Columns on this Query. Now again I insert new values in these two columns, where SQL Server update multiple columns with case in single row. In No, it is just a single value. Let's look at both: Single row update. Writing a CASE statement in SQL to include multiple columns. Name Order By Z. Select the data back from the db without the case/like and perform that lookup in your business code This syntax doesn't exist in SQL Server. We use the single-row update when modifying values of multiple columns for one specific record. I'm trying to use the conditions . I initially didn't understand VALUE(v) either. That is why you define the result of the CASE as a column, but cannot define columns in the case statement. Update Multiple Columns using single case statement. CASE expression in SQL Server. The only possibility I can think of is to update your Yes, you have write a separate case expression for each column. Group by Multiple columns and case statement: maybe I'm thick, but I can't see how this includes a case statement in the GROUP BY clause. TSQL Case Statement. Say for instance Column B is March, I'd like to return the value for January. I'm guessing I could use some sort of CASE logic to do so? CASE WHEN ColB = 'March' THEN (Select ColA where ColB = 'January') I'm a sql server guy, so the first suggestion of using a tuple with an IN ( ) check wouldn't occur to me. I would like to have both counts side by side instead of created a duplicate row. In this temp table I have 4 columns procuredValue,minMargin,maxMargin,Price and some other columns. MySQL CASE Statement with multiple columns in statement list. Case Then statement for several columns SQL. "Case" can return single value only, but you can use complex type: create type foo as (a int, b text); select (case 1 when 1 then (1,'qq')::foo else (2,'ww')::foo end). Viewed 695 times 0 . How to Avoid Duplicates with multiple joins and multiple case statements. SQL Multiply Case Count. (Note that I can not use the Pivot function or dynamic SQL). mysql select case multiple columns as. I need help writing logic that looks at column B and returns the value in column A that is 2 months prior. UPDATE Multiple columns Using CASE in SQL Server 2008. multiple case SQL query retrieve single row as multiple column. CountryGroup END) AS 'Market Final' When I run my query with the CASE statement above, it runs fine and I get exactly what I was looking for. Here's an example adding a multi-column unique constraint to an existing table. 8. Hot Network Questions TSQL CASE on Multiple columns. id-a. 6. I have SQL query with the following ORDER BY statement: ORDER BY SName, DateEnrolledTo desc I need to change this to ORDER BY CASE WHEN @SortID='name' OR ISNULL(@SortID,'')='' THEN SName, SQL server Order To with case and multiple columns. Commented May 14, 2015 at 11:49. SELECT user_ID, MAX(CASE WHEN R. But i have 50 columns to show it will be difficult to keep null for some columns based on conditions If it was just for one column I would use a case statement: How to use case statement multiple times on same column in sql server. No commas involved anyway. The alias isn't available to use in the GROUP BY because when GROUP BY happens the alias isn't defined yet: Here's the order: 1. Viewed 13k times 0 In my database I have several thousand customers, with certain criteria happening at different intervals. WANT created, with 4 rows and 5 columns. mysql query with case statement. Something like this might work: EDIT: If something like this would be possible in SQL i mean: Column StatusMissing = ' missing' If(a1 == NULL) { StatusMissing += 'A'} EDIT2: The column StatusMissing IS NOT THERE! I want to create it using the SQL statements like below. CASE SQL statement. CASE expression on multiple columns. If you are not adverse to string manipulation, you could do something like: I'm able to do this with ds. Multiple symptoms should be stored as multiple rows, not multiple columns. AFAIK, you should always avoid using a UDF for any task that can be solved by chaining existing statements from the Structured API, no matter how long or complex your code looks like. Alternatively, you can write two separate SQL statements, one with your condition in the where clause, and the other has the inverse of it, and combine the two queries using union all 80 81 82 proc sql; 83 create table want as 84 select *, case when sum(day1, day2, day3) > 0 then 1 else 0 end as visit 85 from have; NOTE: Table WORK. case statement in Spark SQL. Combining/concatenating the results of a CASE statement. TravelAgencyTypeCode WHEN 'DMC' THEN g2. Instead, if you combine (unpivot) your source values into a single column and assign source numbers, you Multiple Calculations in CASE Statement SQL. Here is what I tried: I wanted to write an update query to update multiple columns in a SQL table as BLANKS wherever their current value is NULL. Commented Mar 4, 2015 at 15:06. Okay, thanks for the clarification SQL Case With Many Columns. I want to fill the PVC column using a SELECT CASE as bellow: SELECT gid, CASE WHEN (pvc IS NULL OR pvc = '') AND datpose < 1980) THEN '01' WHEN (pvc IS NULL OR pvc = '') AND datpose >= 1980) THEN '02' WHEN (pvc IS NULL OR pvc = '') AND (datpose IS NULL OR datpose = 0) THEN '03' END AS pvc FROM my_table ; Multiple conditions in case (CASE e. You can evaluate multiple conditions in the CASE statement. You may use the following syntax trick: CASE WHEN 'Value' IN (TB1. multiple case statements using multiple columns. status = 0 then "follow_up" end as "follow_up" to not return an error? Multiple column ordering depends on both column's corresponding values: Here is my table example where are two columns named with Alphabets and Numbers and the values in these two columns are asc and desc orders. The values in the WHEN clauses are the fixed values against which we want to compare. If your DBMS doesn't support distinct with multiple columns like this: select distinct(col1, col2) from table In my case, I have columns(id,col_a). To do this in one update, you would need to expand the where clause:. MySQL Select multiple column depending on column value. Viewed 4k I tried using CASE statement but it seems like we have to use CASE multiple times. id, CONVERT( Multiple columns return in CASE Statement SQL. Modified 5 years, SQL: finding unique multi-column value triplet matching multiple rows? 0. The is_active column indicates whether a course is currently being offered. Return multiple columns (int datatype) inside a CASE expression. SQL Server - apply to case when to multiple columns. ; condition: The condition to be evaluated, e. 2. T-Sql: Case Expression with Mutliple condition. "Final Price". Returning Multiple Columns under a Is there seriously no way to get SQL Server full text search to behave the way the OP wants? The MS documentation on the topic seems to state (ambiguously as it turns out) that a search should span multiple columns. The SQL CASE statement is a handy tool that allows us to add conditional logic to our queries. By assigning a sequence or row_number to each category per user, you can use this row number to convert the rows into columns. Ask Question Asked 6 years, 7 months ago. – Jeffrey Van Laethem. group by + case statment. SQL Server, Select statement inside a 'case' 4. SQL: Group By with Case Statement for multiple fields: seems to be a GROUP BY either/or based on CASE, rather than group by multiple. Is my syntax wrong somewhere here or is the case stopping after any condition is satisfied? First, fix your case statement for what lad2025 points out, but not using any OR, and simplified as . With SplitValues As ( Select T. SQL Server update multiple columns with case in single row. If you're wanting something that is either the columns city and descrip or the word inactive, then you'll have to join those two columns together into a single value:. 0 UPDATE Multiple columns Using CASE in SQL Server 2008. SQL query, can I order by within an case in order by? 0. A CASE expression has a single atomic value. It produces a value. Now I perform Order By in these two columns by executing below command:. Something like: How to reference multiple columns in case statement. Writing CASE Statement in SQL. I have been testing an update that sets multiple columns based on the results of a case. Test ) select case when (b. PostgresSQL ORDER BY clause with CASE for sorted column. Use of case statement within where clause with two columns. Select Latest or most Hi is there a way of assigning multiple columns in a case statement? I am trying to assign two columns of data from a case statement on another column, SELECT [FileName], CASE WHEN [Fil Example table: tableId otherValue 1 4 2 3 3 2 4 1 I am selecting the data in a specific order based on the tableId - when value is 1 or 2 then return it, otherwise return others. Column col_a have duplicates, that I want to use distinct to remove duplicates. CreatedBy <> 'MDI' OR a. CASE Multiple values on Athena Presto. SELECT CASE This can also be done in the GUI. You may be best populating variables with your data and then using Ifelse statements with code blocks in order to achieve what you're trying to do here CASE expression on multiple columns. I have a query, where i'm attempting to use a case statement referencing two columns. SELECT statement with an case statement. Unit <> 'ER') THEN 1 ELSE 0 END as field_name Basically I am looking for rows where a. Learn to categorize and manipulate data dynamically, enhancing your data analysis skills! Multiple THENs in CASE WHEN. Alright, you don't need a CASE expression for the Number column. Hot Network Questions Product of all binomial coefficients Of course you can. Case with multiple conditions on multiple columns. This syntax variant is shorter and slightly faster with multiple values - especially interesting for an expensive / lengthy condition: mysql select case multiple columns as. It gets a bit more complicated for me when I need to add the second CASE Statement which also affects the "Market Final" column. Presumably DeliveryDate and DropSequence have different types. I'm not sure if the values are meant to be columns or strings or sometimes either one. Is there a way to create a CASE statement that can look one column (Issue) as if it detects ‘Overforecasted’ or ‘Undeforcasted’ to also look at another column (column Start Date and DMDUNIT) as if it repeats 3 times in a row to return the result in a different column like ‘Issue exists for 3 weeks’? I am not sure if that is even possible. Regards. Case expression with two columns. You cannot set both request_status_id and is_changed from a single use of CASE END. Mapping columns in SQL query. Yet many developers never fully utilize its capabilities for conditional logic, data analysis and transformation. SQL I need multiple cases for one column. Hot Network Questions CASE is an expression, not a statement. – What you need is a split user-defined function. something like this. SQL Server : SELECT and CASE. Update A SET A. Us there a way to return multiple columns from the CASE function in T-SQL? The query I tried: SELECT CASE WHEN Street IS NOT NULL AND City IS NOT NULL THEN Name, Surname, Street, City, ZipCode ELSE BackUpAddr END FROM Table But as expected after "THEN" I am allowed to enter only one column. Multiple case condition. Multiple columns within a single CASE statement. Make new columns to store the data you are trying to extract, and write update statements to parse out that says. I would like to add that the order in which you group by the columns does not matter. Need to write MySQL case statement. val IS NULL AND (a. You have to repeat your case construct for each column name. As I don't have your base tables I've given the fixed values from your sample as a further inner query to demonstrate the idea, with a A CASE statement can return only a single column not multiple columns. – Amadan. Related. SQL Creating New Results Columns with Case? 1. val is null, but ignore the row if any of these columns (a. 'Column1 Cond T' 'Column2 Cond T' I would like to "merge" In this article, we will explore how to select multiple columns based on conditions in SQL, from basic to advanced techniques, and provide detailed examples to help you master Depending on your use case, instead of using a case statement, you can use the union of multiple select statements, one for each condition. Ask Question Asked 5 years, 9 months ago. Using CASE Statement inside IN Clause. Type <> 'RO' OR a. Thanks for the reply, your worked for me. Also, it's not clear what you're trying to do here since you seem to have a predicate in the THEN clauses, and that's not valid within the select clause. ; WHEN: Specifies a condition to check. TSQL CASE on Multiple columns. I have two columns in a table , say "colA", "colB" and "colC" need to be computed. 32 MySQL CASE to update multiple columns. The following SQL code is a sample of larger SQL statement. Using CASE within a single query to update multiple columns in SQL table. You'll need to write multiple CASE statements to get the required columns – Aaron Pereira. If column_a = 'test' AND column_b IS NULL OR (column_b IS NOT NULL AND Column_c = Column_d) OR Column_e >= 480 THEN 'OK' ELSE 'CHECK' END Your client code can very easily ignore the unneeded data (unless your SQL server is somewhere in Siberia and you're watching every byte of the transport). It's possible to update both fields in the same UPDATE statement, but not the same CASE Case within Case when combining multiple columns into one. Viewed 2k times 1 Hi I have looked through the "Case with multiple columns" questions and don't see something the same as this so I think I should ask. try this query to see for yourself. Skip to main content. This would then return a total1,total2, total3 and total 4 column instead of a single total column like the current query below. It’s particularly useful when we need to categorize or transform data based on multiple conditions. Cust_ID is a single value, and it's not possible to have a single Cust_ID be both 154 and 30400010112 at the same time. Conditional calculation in SQL Server. BTW, you should remove your ISNULL(region, '''') <> '''' condition, as it's redundant when paired with the LEN(region) > 5 condition. A case expression returns a single value ("scalar value" in SQL-speak). Name, Z. Data: Users table: ID_User sUserName 1 Test 2 Test2 3 Test3 Custo Case and Sum of Multiple columns. updating multiple columns using case statement in sql server. ; THEN: Indicates the result to be returned if the condition is met. Modified 6 years, 7 months ago. In your case, you can't put them all into one CASE, since the results all go into different columns of the select. single CASE for multiple columns data. You can update multiple columns in SQL for a single record or multiple rows in the table. In this case the output would be same like the first one. Something like this: case ColumnName when 'A' then 'Apple' when 'B' then 'Banana' end ColumnName, case ColumnName when 'A' then '1' when 'B' then '2' end ExtraColumn, There is a gotcha here. The Overflow Blog From bugs to performance to perfection: pushing code quality in mobile apps Split column values into multiple columns with CREATE VIEW. Ask Question Asked 10 years, 5 months ago. SELECT (CASE WHEN Code IN ('16', '26', '54') THEN actual WHEN Code IN ('3', '7') THEN 0 END) AS invoice_sales (CASE WHEN Code IN ('16', '26', '54') THEN 0 WHEN Code IN ('3', '7') THEN actual END) AS no_of_customer, 'USD' AS I'm using proc sql, and using multiple case when statements to add columns with either a 0 or 1 if the condition is met. When I see a multi-column WHERE IN (SELECT) I only see case 2, since they would be returned as a list of N column tuples so the multiple IN solutions don't seem to match. select id,name, CASE WHEN flag='Y' then city + ',' + descrip ELSE 'inactive' END as COALESCE does not work in the way described here. 58etc. Name, ' ' ) As Z ) Select Name , FirstName. Basically I have two tables (both are the result of a subquery) which I want to join. Update multiple columns using same SQL server case statement. The problem i am having is that the first case creates a null entry in the Test2 column but then counts it on my second case statement and leaves the Test 1 column null. Reminder: CASE expressions are evaluated one by one in the exact order they appear in code. 1 MERGE with CASE in the same table. Use a combination of And and Or. Hot Network Questions Is there a way to target mobs using commands that have a specific amount of health? Using telekinesis to minimize the effects of g force on the human body Set padding of HTML element based on width of preceding element Is there an equivalent to "CASE WHEN 'CONDITION' THEN 0 ELSE 1 END" in SPARK SQL ? select case when 1=1 then 1 else 0 end from table Thanks Sridhar. Simply adding it after CASE in ORDER BY as presented below will not work since WITH TIES is used. Case statement based upon multiple column values. Any and all help is appreciated and thank you in advance! I stripped out the extra columns, leaving just the CASE statement and the COUNT(), then copied the Is it possible to update both columns using a single case statement ? No. Multiplication of Case Column in SQL. CASE statement multiple conditions. For instance: case MyField when 1 then ThisField = 'foo', ThatField = 'bar' when 2 then ThisField = 'Mickey', ThatField = 'Mouse' else ThisField = NULL, ThatField = NULL end Simply aggregate the CASE statements. Let’s write a SQL Server CASE statement which sets the value of the condition column to “New” if the value in the model column is greater than 2010, to ‘Average’ if the value in the model column is greater than 2000, and to ‘Old’ if the value in the model column is select CASE WHEN ATTRIBUTE_SOURCE is NULL THEN <do calculation> ELSE ATTRIBUTE_SOURCE END AS ATTRIBUTE_SOURCE, * from (<a table containing an ATTRIBUTE_SOURCE column>) The calculation is working fine, the problem is the resulting table has two ATTRIBUTE_SOURCE columns, one from the original table and another that is added So a CASE statement is a way of doing "if - then - else" logic in SQL, not a way of getting multiple results. various others, less relevant I would like to update multiple columns in my table using a case statement, but I cannot find how to do this (is this even possible). [Summa] END, '0') AS Yep, you'll eventually have a big select at the end, but since it's in a proc, you'll have the ability to break your query up into smaller, simpler chunks, assigning values to variables as you go along. Under the table, right click Indexes->Click/hover New Index->Click Non-Clustered Index A default Index SQL Case With Many Columns. – Tomty. How to use CASE statement in SQL Server. id else ' ' end from cte a, cte b where b. The presented code works, but I need to order by two columns. SELECT 6. In this comprehensive 3,150 word guide, you’ll learn CASE statement fundamentals then advance to real-world analytic examples and performance optimization Hi im using this query so somehow I can merge the value into 1 column but when im using case when it results to having a multiple columns. MYSQL CASE STATEMENT MULTIPLE CONDITIONS. GROUP BY on one column with multiple Nested Case and Case without Column Name. Note that if your columns are numeric, some SQL dialects will require you to cast them to strings first. HAVING 5. Rownumber+1 Note that if you are using SQL Server 2012 or later version, you can avoid the self-join From OP question, OP wants to group columns and get additional columns that aren't grouping columns. so that regular group by + having might not be worked. Hot Network Questions Is it normal to connect the positive to a fuse and the negative to the chassis Why don't you try to update the table using where?In the select statement of your question you can declare Column1, Column2 and Column3 as NULL and with two update statements change the values. It would've been easier if it was 2 or 3. case condition then using two tables. – Dwza. A single CASE expression cannot have a value of two fields. FROM 2. SQL order by using multiple columns using case. Modified 10 years, 3 months ago. My goal when I found this question SQL CASE statement. This functions returns NULL, whenever the first argument is the same as the second. After the code runs I would expect id 1 to have both f1 and f2 = 'Y' but only f1 = 'Y'. How to use conditional columns values in the same select statement? 1. Case Statement with 2 columns. Hot Network Questions Is it The expression in a simple CASE statement can be a column name, a function, or any valid SQL expression. SELECT CASE WHEN D = '1' THEN A ELSE NULL, CASE WHEN D = '1' THEN B ELSE NULL; I was looking for something like just one CASE and select the appropriate values. SQL multiple-select case statement. SQL Count Distinct with multiple condition, to return all columns, all records. Any ideas on how to solve the problem? Oh, that would be so nice. Remember to end the statement with the ELSE clause to provide a In this article, we’ll explore how to use the CASE statement with multiple conditions, providing simple examples that should work across most major relational database If they are all different tables then this may be your best case scenario. ColumnX, TB1. IN SQL CASE MULTIPLY WHEN MORE THAN IN DIFFERENT CRETERIA. My guess is that I'm either over-complicating it or lack knowledge of a little SQL function that might help. declare @script nvarchar(400) select @script = case SomeField -- conditions field when 1 then 'select * from [TableA]' when 2 then 'select * from [TableB]' end SELECT ( case when column is null then( 1 as column3, 2 as column4 ) else ( 10 as column3, 20 as column4 ) )) from table. Col1 = CASE WHEN A. My initial query guess was: UPDATE table SET Column_3, Column_4, Column_5 CASE When Column_1 = 'First' Then 'first_col_3_val', 'first_col_4_val', 'first_col_5_val' When Column_1 = 'Second' Then 'second_col_3_val', 'second_col_4_val', 'second_col_5_val' If that's the case, I'd suggest adding conditions to the WHEN conditions of your case statements that test specifically for NULL values rather than treating op. SQL - Using CASE statement with multiple IS NULL, IS NOT NULL. [ID] = 2 THEN '0' ELSE [a]. The simple way to achieve this goal is to add a CASE expression to your SELECT statement. Hot Network Questions Is the jury informed when the person giving testimony has taken a plea deal in exchange for testifying? 1. In all these 4 columns i have values like 373. It is actually an OR statement. GROUP BY WITH CASE. e. SQL multiple case statement. SQL Results of multiple case statements in one row. I came up with the following invalid reference query: UPDATE tablename SET CASE name WHEN 'name1' THEN col1=5,col2='' WHEN 'name2' THEN col1=3,col2='whatever' ELSE col1=0,col2='' END; Probably not. SQL Case = Multiple values. SELECT 'X' Operation, --Another CASE here if needed ,* FROM TableA WHERE Number like '20%'; For multiple columns its best to use a CASE statement, however for two numeric columns i and j you can use simple math: min(i,j) = (i+j)/2 - abs(i-j)/2 . Ask Question Asked 10 years, 3 months ago. The CASE expression stops evaluating after the first match. Modified 10 years, 2 months ago. You should change that if it's not too late. ) There is a query in which I have to concatenate 12 columns in a case statement. WHERE 3. In the above example group by Semester, Subject would have given the same result Group by multiple columns : SQL. For performance Issues see Yes, but you can't use the case structure in T-SQL the way you are probably used to using select case as a control structure. SQL Update with CASE statement. SUMIF can be replicated in SQL with SUM(case statement):. Here is the You can use the SQL CASE WHEN statement for multiple conditions by chaining additional WHEN clauses separated by spaces or newlines. SQL - CASE Multiple variables in single condition. If you want to understand VALUE try this query which creates a virtual 1 column table: SELECT * FROM (VALUES (1), (5), (1)) as listOfValues(columnName) And this query which creates a virtual 2 SQL: GROUP BY multiple columns with CASE statement. SQL multiple condition case when. COl1 is NULL THEN ' ' END, A. ColumnZ) THEN Statement1 ELSE ' ' END AS MyColumn The alternative to this would be to repeat the full equality check for each column: See SQL Fiddle with Demo. With that, the solution looks like. For example: select from emp where case when bonus is null then salary else salary + bonus end > 4000 Here emp is a table, and bonus and salary are two of the columns in that table. CASE: Begins the expression. SQL CASE Statement data organization into one query. SQL return multiple values from CASE statement. The second issue the Cust. I think you need a subquery that has each of your Time Group values as separate columns, then the main query will UNPIVOT those columns. – rory. Subquery with multiple columns within case statement. SQL: How to use CASE WHEN output in new column calculation. Nowhere does it say that the search terms MUST be found entirely in one column. GROUP BY 4. One case statement for multiple parameters. CASE Does TSQL in SQL Server 2008 allow for multiple fields to be set in a single case statement. Evaluates a list of conditions and returns one of multiple possible result expressions. 0 It is not possible to check for multiple equalities using just a single expression. Unit) have a Case does support multiple columns in the conditional check. Case statement for different fields. What is the correct MS SQL syntax to select multiple ORDER BY columns when the ORDER BY is based on a CASE statement? The below works fine with single columns, but I need to sort by multiple columns: SELECT * FROM Products ORDER BY CASE WHEN @SortIndex = 1 THEN Price END ASC, CASE WHEN @SortIndex = 2 THEN Price DESC, SQL:2003 standard allows to define multiple values for simple case expression: Combine results from 2 SQL Server queries into 2 columns. CASE is a statement and can only be used to return the value for a single column. If you require more user level information add them to both SELECT and GROUP BY lines. About; Apache spark case with multiple when clauses on different columns. 0. we can try to add columns which you want to mark duplicate in a subquery. SQL Query for CASE Statement. SQL Case with multiple values. The 2nd method also isn't guaranteed to produce the same results as the original query, in case any of the columns are nullable. Ask Question Asked 10 years, 2 months ago. Hot Network Questions sql-server-2008-r2; case; or ask your own question. Utilize Aggregated Examples of Updating Multiple Columns in SQL. updating multiple -1 to this answer. 10. column1 values can be repeated (multiple rows='1', etc). The way that you are suggesting in your second code block will not work. SELECT col1, col2, col3, (CASE WHEN var = 1 THEN col4 WHEN var = 2 THEN col7 WHEN var = 3 THEN col10 END), (CASE WHEN var = 1 THEN col5 WHEN var = 2 THEN col8 WHEN var = 3 THEN col11 END), (CASE WHEN var = 1 THEN col6 WHEN var = 2 THEN col9 WHEN var = 3 THEN col12 END) FROM A JOIN B . update a column depending on the value of another column using case. 7. discount and op. Then you can add fallback values per column with COALESCE(). Hot Network Questions What should machining (turning, milling, grinding) in space look like I have to Case statements that count the same column just with a differnt criteria. CAMPUS = 'B' THEN R. Modified 10 years, 7 months ago. select CASE ColumnName WHEN 'enter value on which you want to execute Than Block' THEN CASE ColumnName WHEN 1 THEN 'return value or Column Name' ELSE 'return value or Column Name in case of else' END WHEN 'another condition, value of column on which you want to execute then block' THEN Hello I am working on a simple case statement in SQL and was wondering if there is a way to search several columns in the when clause. SELECT * FROM <table_name> WHERE (value_type = 1 and CODE1 = 'COMM') OR (value_type = 1 and CODE1 = 'CORE') (In this case, you could make it shorter, because value_type is compared to the same value in both combinations. SELECT Type ,SUM(CASE WHEN Year = '2010' THEN Total ELSE 0 END)'2010 Total' ,SUM(CASE WHEN Year = '2010' THEN Total ELSE 0 END)*1. 25. NETID ELSE NULL END) AS For faster help in answering any problems Please read How to post data/code on a forum to get the best help - Jeff Moden[/url] for the best way to ask your question. – abl. ; result: The How can I get multiple columns from a CASE expression? with cte as ( select ROW_NUMBER() over (order by id)'Rownumber', id from dbo. It would be better if i could select multiple columns in THEN / ELSE There is a built-in function for this: NULLIF(). The duplicate Type_id should display an empty string if there are multiple values. In that case you may want to move from subqueries to joins. The same WHERE clause can be expressed more simply, but regardless of reformulation, it will refer to both columns. SQL Case won't let you do that, it wants you to return a scalar based on conditions. Commented Aug 9, 2016 at 18:48. Oracle SQL - Multiple return from case. Standard-SQL: LEFT JOIN a single row of values You could LEFT JOIN a row of values using the condition (thereby evaluating it once). [ID] = 1 THEN '0' ELSE [a]. Stack Overflow. HOW to structure SQL CASE STATEMENT with multiple conditions. My question is how can I do CASE multiple column ORDER BY in the SELECT ROW_NUMBER(), similar to the one below comment line. SQL case when with 2 different types of output. Each total would represent the 4 date ranges: I am fairly sure this can be accomplished using case statements, but am not 100%. Hello everyone, I have a question. Is it possible to use multiple case statements on different columns in one SELECT statement? How can I get case when dcs. For instance, we have the columns id, name, and is_active in the Columns table. Also, if the case logic is complex, it will be inefficient even further. This method is straightforward when altering the values of a particular The first issue is you need to reorder the WHEN conditions to list Both Orders first. UPDATE some_table SET column_x = CASE WHEN x_specific_condition THEN new_value_for_x ELSE column_x END, column_y If you are asking for the largest value from either column, then you can simply do: Select Case When Max(DateModified) > Max(DateDeleted) Then Max(DateModified) Else Max(DateDeleted) End As MaxOfEitherValue From Table Getting most recent date from multiple SQL columns. ORDER BY Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. For some complex WHERE clauses, it may make sense to use it (your current one can be solved without, as @Somebody is in trouble's answer shows), but you need to structure it to return a single result If they are all different tables then this may be your best case scenario. How to get multiple Note the use of two CASE expressions for the two different columns. It's a big bottleneck right now since it has to scan through each id for each case when statement. 1. CASE WHEN a. wswim gqepk uehgdb sejswjp bvum hddp cwuuzyow wmik urdzzcc nkygd