Sql case when exists multiple multiple column. Position ) As Num From Table As T Cross Apply dbo.

Sql case when exists multiple multiple column. CompanyMaster WHERE AreaId= (CASE WHEN EXISTS (SELECT BusinessId FROM dbo. city FROM stuff s WHERE EXISTS ( SELECT 1 FROM stuff ss WHERE s. If the column already existed, no records would be modified. We can take a decision based on the searched result, also as shown below. Jun 24, 2020 · CASE WHEN a. Each column represents a task, so the same employee may be assigned to several tasks in a record and those tasks will vary between records. The CASE expression has two formats: simple CASE and searched CASE. "Final Price". The new column, if added, will populate existing records with the default value, which in this case is a BIT value of 1. results - this SQL will show you if company column rows contain one of those companies (OR phrase) please note that : no wild characters are needed, it's built in. foo from somedb x where x. CASE WHEN TABLE1. 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 value or expression: In contrast, the CASE WHEN statement is used across multiple SQL dialects, including PostgreSQL, MySQL, Oracle, and SQL Server, in SELECT, UPDATE, and DELETE statements to handle multiple conditions. Jan 29, 2018 · Both values need to exist in the table, as in i need to select a row in table A where BOTH values exists in a row in table B, in Table A there a row where Country is UK and product is Crisps, that should be returned but Country being Australia and Product being crisps should not be returned. 7. Case with multiple conditions on multiple columns. Mar 1, 2016 · COALESCE does not work in the way described here. name = ss. You may use the IN, ANY, or ALL operator in outer query to handle a subquery that returns multiple rows. ordinal but when I add dcs. Oct 20, 2017 · SELECT (case when [column1='A'] then (select value from Table1) when [column1='B'] then (select value from Table2) when [column1='C'] then (select value from Table3) and so on uptil 35 more 'when' conditions Aug 23, 2024 · 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. AreaId FROM @Areas) One more solution is Sep 3, 2024 · Evaluates a list of conditions and returns one of multiple possible result expressions. ORDER BY CASE WHEN TRUE THEN ROW(users. Select truefalse=case when [Column 1]='Hello' then 1 when [Column 2]='Goodbye' then 1 when Use: SELECT t. Cannot use case and exists in Feb 4, 2016 · If you have under 1000 tuples you want to check against and you're using SQL Server 2008+, you can use a table values constructor, and perform a join against it. If, for example, xxx is nullable, here is how you need to modify the query further: Oct 5, 2016 · You need to use ROW constructor in order to compose few columns together. Instead of comparing a column or expression against a defined set of values, a searched expression can compare multiple WHEN conditions and determine a result. type="bk" THEN books. Further to that, maybe revisit the Syntax of CASE (Transact-SQL) Feb 18, 2018 · The DISTINCT is to reduce the result set in the case where you have multiple matches in noc. I'm guessing I could use some sort of CASE logic to do so? CASE WHEN ColB = 'March' THEN (Select ColA where ColB = 'January') Summary: in this tutorial, you will learn how to use the SQL CASE expression to add the logic to the SQL statements. name,ss. SELECT ID, NAME, (SELECT (Case when Contains(Des SQL Server CASE statement. [Trucks] if that column doesn't exist. SQL:2003 standard allows to define multiple values for simple case expression: SELECT CASE c. UPDATE for Multiple ColumnsSyntax: U May 3, 2016 · How can I get multiple columns from a CASE expression? with cte as ( select ROW_NUMBER() over (order by id)'Rownumber', id from dbo. city GROUP BY ss. id else ' ' end from cte a, cte b where b. g. id) > 1 then a. *; Jun 16, 2012 · When you use EXISTS, SQL Server knows you are doing an existence check. IF EXISTS (SELECT 'Y' FROM INFORMATION_SCHEMA. id1,books. Unit) have a specific value. Number WHEN '1121231','31242323' THEN 1 WHEN '234523','2342423' THEN 2 END AS Test FROM tblClient c;. This is the syntax: CASE WHEN condition1 THEN CASE WHEN sub_condition1 THEN sub_result1 ELSE sub_default_result END ELSE default_result END. If the column (ModifiedByUSer here) does exist then I want to return a 1 or a true; if it doesn't then I want to return a 0 or a false (or something similar that can be interpreted in C#). Value , Case When ThirdName Is Null Then SecondName Else ThirdName End As LastName From Sep 10, 2008 · But still far from optimal. Bear in mind that nested statements add complexity and can be difficult to read. ReceiptDate AS DATE) AS 'DATE' , SUM(CASE WHEN Detail. question_id = 1 The following query uses the CASE expression to calculate the discount for each product category i. CHECK CONSTRAINT does not work in this way. The searched CASE expression evaluates a set of Boolean expressions to determine the result. flag) = 2 Here, a null or no row will be returned (if no row exists). ' Aug 25, 2023 · I need to change the column value from 2 columns. With that, the solution looks like. For example, an if else if else {} check case expression handles all SQL conditionals. Or even: select case when EXISTS ( select 1 from Products where ProductId IN (1, 10, 100) ) then 1 else 0 end as [ProductExists] Here, either of the scalar values 1 or 0 will always be returned (if no row exists). Type <> 'RO' OR a. id-a. Field is Jul 7, 2024 · In contrast, the CASE WHEN statement is used across multiple SQL dialects, including PostgreSQL, MySQL, Oracle, and SQL Server, in SELECT, UPDATE, and DELETE statements to handle multiple conditions. Example. 58etc. name Jul 23, 2013 · SELECT CAST(Detail. Dec 31, 2014 · UPDATE Multiple columns Using CASE in SQL Server 2008. name = o. TradeId NOT IN Have a look at the difference between EXISTS (Transact-SQL) and IN (Transact-SQL) Have a look at this small example. 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. I need help writing logic that looks at column B and returns the value in column A that is 2 months prior. tag = 'Y' THEN 'Other String' ELSE CODES. 3. This is how SQL Server checks if a Column Exists in a table or not using the COL_LENGTH() function. Searched Case Statement. Using the LOWER function on a database which doesn't have a case sensitive collation (most don't, though this function doesn't slow things down that much) You have a bad query plan in cache. id2, // and so on END as column_1, Is there a way to do THEN with multiple columns or do we need to simply write a bunch of CASE THEN statements? that seems messy Jan 18, 2021 · You are not using EXISTS correctly. You can use the Jul 1, 2013 · No need to select all columns by doing SELECT * . If no graduate program exists, then I want to search for the "Doctoral" Program. Use CASE statement to check if column exists in Mar 16, 2017 · I know it is posible to serach multiple columns with one value. lastname) END if there is more than 1 value inside ROW() you can skip ROW keyword. How can I do this effectively? Sep 25, 2008 · The below query can be used to check whether searched column exists or not in the table. The SQL CASE Expression. As follow : select case when T1. Example 1: A company has its employee data stored in the table employees with the columns empId, empName, dept, and salary. Type = 'TraceReturnedMail' THEN 1 ELSE 0 END) AS 'TRACEUNDELNOTICESRECEIVED' FROM ( select Aug 13, 2013 · I would like to display a concatenation of multiple string built upon when statement when the condition is met. SELECT CASE WHEN 1/1 = 99 THEN 'Case 1' WHEN 2/0 = 99 THEN 'Case 2' END; There are however several types of statements that as of SQL Server 2012 do not correctly short-circuit. How to install SQL Server 2022 step by step. Table. 2, long before this question was asked) and fits the presented requirements perfectly: Jun 5, 2012 · CASE When dbo. SQL multiple condition case when. Jun 20, 2012 · CASE is an expression - it returns a single result of a well defined type:. city = ss. contactid HAVING COUNT(DISTINCT t. I noticed we cannot do . bar > 0) then '1' else '0' end) as MyFlag from mydb T-SQL Case When Exists Query Not Producing Dec 20, 2018 · SQL: Add a new column based on CASE expression and looking up values from another table 5 Using CASE to create new column based on specific text in a string column Learn the syntax of the case function of the SQL language in Databricks SQL and Databricks Runtime. 1. , are non-nullable. Rownumber+1 Sep 30, 2024 · Learn how to combine multiple columns from an SQL Server table into one column using three different methods to see the most efficient approach. Use a NOT EXISTS anti-semi-join for even better performance. try this query to see for yourself. It implies matching rows in your target table (Employees) with those in another table (e. Feb 10, 2015 · What SQL functions exist that could help me achieve my goal if It is not possible to call multiple calculations within a CASE WHEN statement? – Crezzer7 Commented Feb 10, 2015 at 12:32 Mar 24, 2021 · If ELSE does not exist and case_value also does not match any of the values, Case will return a NULL value. Apr 10, 2011 · I wish to write an SQL statement for SQL Server 2008 that Selects entry's where a column contains a value, now the value within the column is a comma delimited list (usually - there could only be one entry (and no leading comma)) so what In checking for is "is this value contained somewhere within the list?", for instance: Aug 25, 2023 · In this article, we will see, how to update multiple columns in a single statement in SQL. Name, Z. In an EXISTS, the selected column makes no difference, it is entirely ignored and does not even need a name. I use a CHECK CONSTRAINT on multiple columns in the same table to try to validate data input. city HAVING COUNT(*) > 1 ) Jan 31, 2012 · Get your columns` names into rows in excel sheet (write down at the end of each column name (=) which is easy in notepad++) on the right side make a column to copy and paste your value that will correspond to the new entries at each column. Column = 'lactulose' Then 'BP Medication' ELSE '' END AS 'BP Medication' EDIT If you have multiple values, Well first Instr is from VB and Column B contains Months Jan - Oct. You can only specify up to 1000 rows in a table values constructor, hence the 1000 tuple limitation. 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). id) AS columnName FROM TABLE1 Example: Jun 17, 2009 · For instance, EXISTS equivalent of a multiple column IN predicate: (val1, val2) IN (SELECT val1, val1 FROM t_inner) is recognized as such by SQL Server's optimizer and an efficient Merge Join method is proposed for this, despite the fact that SQL Server does not support multiple-column IN predicates directly. , CPU 5%, video card 10%, and other product categories 8%. Mar 20, 2018 · I'd like to map integers to specific values using a CASE statement. Sep 19, 2024 · In SQL, querying multiple values in the same column is a common task that can be efficiently handled using the IN, OR and EXISTS operators. EXISTS is standard SQL, has been around forever (at least since PostgreSQL 7. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. Rolling up multiple rows into a single row and column for SQL Server data. When working with update multiple columns SQL, it’s crucial to use the SET clause effectively for achieving the desired results. Here is the basic syntax of a Multiple CASE WHEN statement: Aug 20, 2024 · 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 management systems (RDBMS s). Sep 3, 2024 · Evaluates a list of conditions and returns one of multiple possible result expressions. CreatedBy <> 'MDI' OR a. T is an alias for the derived table created by the nodes function. 1, 2) -- Video Card ELSE ROUND (list_price * 0. SQL Server Check If Column Exists using INFORMATION Apr 15, 2012 · I am trying go select multiple values with CASE statement. C is a column alias, in this case it breaks up the xml into 'Activity' nodes on each row of that column. I have 6 columns I'm trying to work with. In all these 4 columns i have values like 373. Ask Question Asked 2 years, 10 months ago. Dec 2, 2011 · Depending on your use case, instead of using a case statement, you can use the union of multiple select statements, one for each condition. Jan 12, 2009 · I'm using SQL Server 2005. Type = 'TotalMailed' THEN 1 ELSE 0 END) AS 'TOTALMAILED' , SUM(CASE WHEN Detail. SELECT TABLE1. name,s. You need to return them separately: col1, col2, col3, col4 Jun 2, 2023 · As the data for columns can vary from row to row, using a CASE SQL expression can help make your data more readable and useful to the user or to the application. Value , Row_Number() Over ( Partition By T. update separate column values in multiple rows. SELECT s. CASE statement multiple conditions. Oct 25, 2019 · I need to create a CASE statement that will look at the multiple rows for a 'Utility' to determine the output. Feb 21, 2016 · IN WITH MULTIPLE COLUMNS DOES NOT EXIST, THINK CAREFULLY WHAT YOU WANT. As a result, the CASE WHEN is more versatile for in-query conditional logic, whereas IF is used for procedural control in stored procedures Aug 29, 2024 · All demos are shown using SQL Server Management Studio and SQL Server 2022, but the information in this tip is valid going back multiple versions of SQL Server. This construct is especially helpful for segmenting records according to a given criteria and generating a new column to show the outcomes. . Position, Z. SELECT 1 FROM table_name WHERE unique_key = value; -- Method 2. Apr 15, 2024 · Method 3: Updating columns from Another Table. I'm having trouble understanding CASE logic across multiple columns where values aren't always the same. SQL Server Cursor Example. name AND s. The searched CASE expression is the most commonly-used format. CreatedBy or a. COLUMNS WHERE TABLE_NAME = <YourTableName> AND COLUMN_NAME = <YourColumnName>) BEGIN SELECT 'Column Already Exists. val is null, but ignore the row if any of these columns (a. It’s quite common if you’re writing complicated queries or doing any kind of ETL work. When it finds the first matching value, it returns TRUE and stops looking. May 30, 2013 · SELECT CASE WHEN 1/1 = 1 THEN 'Case 1' WHEN 2/0 = 1 THEN 'Case 2' END; --Fails on the divide by zero. I initially didn't understand VALUE(v) either. Multiple conditions in a Case statement for one row. Oct 22, 2019 · I trying to create a SQL query with a CASE WHEN EXISTS clause in SQL Server. A more generic solution would have a table of column names that your searching for or a string list but then the solution is a bit more complicated. Multiple condition in one case statement Mar 22, 2012 · This is expected to return rows that exist in Main_Table but do not have matching rows in Some_Table, assuming the columns xxx, etc. Is it possible to use multiple case statements on different columns in one SELECT statement? Problem: You want to apply multiple conditions to filter the data you want to retrieve. SQL CASE Statement Syntax. If you want to change a table based on another table’s data, use this technique. Name, ' ' ) As Z ) Select Name , FirstName. Then on the right of them in an independent column put the commas as designed Dec 4, 2018 · Indexes for the above columns which aren't optimal (including too many columns, etc) Your query being serial when it may benefit from parallelism. Any other way to implement this on a single table without using FK? Thanks May 3, 2010 · This will add a new column, [Is4WheelDrive], to the table [dbo]. ) Aug 20, 2024 · We can see that the value in the salary_category column is dependent on the outcome of the CASE statement. I assume I am doing something wrong as when I run the SELECT * FROM [Christmas_Sale] it takes forever for SQL to load the code. Apr 30, 2013 · You have to repeat your case construct for each column name. SQL case query with multiple statement. BusinessId) THEN @AreaId ELSE AreaId END) AND AreaId IN (SELECT [@Areas]. other_desc END AS description Mar 12, 2017 · What you need is a split user-defined function. Apr 15, 2015 · True, but you also hardcoded the column names as well. Dec 29, 2021 · Multiple columns return in CASE Statement SQL. I would use EXISTS subquery with HAVING. Update column using case expression sql. Jun 5, 2023 · You can of course use multiple conditions as part of the nested case statements. val IS NULL AND (a. SQL case statement with multiple conditions is known as the Search case statement. To be honest, I can't recall if I found it in the docs or what. Nov 4, 2022 · Writing SQL with multiple conditions can be an arduous task, especially if you need to make numerous checks. I use SQL Server 2008. null + 'a' = null so check this code 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 once? See the example below. – ORDER BY CASE @OrderByColumn WHEN 1 THEN Forename END DESC, CASE @OrderByColumn WHEN 1 THEN Date END, CASE @OrderByColumn WHEN 1 THEN Location END, CASE @OrderByColumn WHEN 2 THEN Surname END ASC Actually, you don't specify a column to sort by, but an expression. IF EXISTS(SELECT 1 FROM INFORMATION_SCHEMA. This is why I favour the syntax EXISTS (SELECT 1 all on one line, because effectively it is just extra syntax of the EXISTS not of the subquery. Consider this SELECT statement. Jan 16, 2024 · To begin, we will examine the simplest syntax of the SQL CASE WHEN statement. See the details. e. The SET clause helps in updating more than one column at a time, making it an efficient tool for database management. name, users. 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 column table: SELECT * FROM (VALUES (1,2), (5,3), (1,4)) as tableOfValues(columnName1, ColumnName2) Now you can understand why that sample query has AS Oct 24, 2023 · I'm not sure if I understood your question well but the following query returns the records that match the following criterion: a. since you are checking for existence of rows , do SELECT 1 instead to make query faster. 0. If all rows for a specific 'Utility' do have a 'todate', I want the value to be May 7, 2017 · The Searched CASE Expression. 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 wall. I receive an error: Column CHECK constraint for column 'AAAA' references another column, table 'XXXX'. case. The syntax of the SQL CASE expression is: Jun 28, 2023 · Using the SET Clause Effectively. My current query looks like this: SELECT * FROM table WHERE Sep 28, 2012 · select foo, (case when exists (select x. SELECT product_name, list_price, CASE category_id WHEN 1 THEN ROUND (list_price * 0. Calling the EXISTS Function. id, EXISTS (SELECT 1 FROM TABLE2 WHERE TABLE2. Introduction to SQL CASE expression. Operation. Jun 26, 2023 · SQL EXISTS Use Cases and Examples. Return multiple columns (int datatype) inside a CASE expression. The CASE expression has two formats: The simple CASE expression compares an expression to a set of simple expressions to determine the result. My goal when I found this question was to select multiple columns conditionally. We can update multiple columns by specifying multiple columns after the SET command in the UPDATE statement. SQL EXISTS Use Sep 29, 2015 · How to check a SQL CASE with multiple conditions? 1. e. Aug 8, 2016 · In order for 'All Complete' to be set to Y, all ID_Status's need to be complete for each customer and each code number. id = TABLE1. The CASE expression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). Jul 19, 2013 · TradeId NOT EXISTS to . Modified 2 years, select * from table2 where exists ( select 1 from Aug 28, 2015 · I've switched over to using multiple Macros and a Datastep and it seems to be working now, plus the FORCE option. Example 2: Combining Multiple Conditions Suppose we want to categorize employees based on both their salary and years of experience. The SQL CASE expression allows you to evaluate a list of conditions and returns one of the possible results. That nodes function returns a piece of xml that includes all the Activity node names + values (and would return any child nodes & values too if there were any). You can use EXISTS to check if a column value exists in a different table. DROP TABLE IF EXISTS Examples for SQL Server . 05, 2) -- CPU WHEN 2 THEN ROUND (List_price * 0. For example: SELECT a1, a2, a3, Aug 7, 2013 · SELECT * FROM dbo. Type = 'TotalReturnMail' THEN 1 ELSE 0 END) AS 'TOTALUNDELINOTICESRECEIVED' , SUM(CASE WHEN Detail. Then the case statement is a lot less complex. As CASE is an expression it can be used with any SQL clause that supports an Sep 9, 2019 · So I decided not to tell the database that I was interested in multiple columns but fool it into thinking I was requesting only 1 column (sort of, the database won't really be fooled), by concatenating the columns I needed. In SQL Server, I need to search a column for multiple values, but I don't have the exact values, so I need to use wildcards as well. SELECT COUNT(1) FROM table_name WHERE unique_key = value; Nov 25, 2021 · Hi, Dieter Glad that the (+) syntax is helpful for you. Nov 17, 2015 · Instead, you should just modify the current description in that table or add a column with the secondary description you need. Here’s the syntax: SELECT column_name, CASE WHEN condition THEN result END AS new_column FROM your_table; MySQL Multiple Case When Exists Statement. Field is not null then 'T1,' when T2. If a column is empty, it is considered as unspecified and hence has lower priority. WHAT I HAVE TRIED Nov 23, 2010 · It's better to use either of the following:-- Method 1. These operators allow to filter rows based on the multiple matching criteria within a single column. Nov 24, 2016 · I want to do this but the value exists in multiple columns of the same type. status I receive the following error: column "follow_up" does not exist. 2. When I see an in with two columns, I can imagine it to mean two things: The value of column a and column b appear in the other table independently; The values of column a and column b appear in the other table together on the same row May 22, 2013 · I'm using a SQL server statement embedded in some other C# code; and simply want to check if a column exists in my table. Now I need to select data based on some condition and have to display data as new column . , NewData) containing the new details through a JOIN operation. Thanks for any help. when you concatinate 2 columns and if any is null the result will be null. udf_Split( T. AS o WHERE EXISTS ( SELECT * FROM noc As n1 WHERE n1. Nov 22, 2016 · "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). Apr 12, 2024 · If the product_id column does not exist in the Products table, COL_LENGTH returns NULL. Jun 29, 2011 · Oracle SQL : select * from MY_TABLE where REGEXP_LIKE (company , 'Microsodt industry | goglge auto car | oracles database') company - is the database column name. SQL NOT IN Operator. we can try to add columns which you want to mark duplicate in a subquery. SQL Server CROSS APPLY and OUTER APPLY. Each customer can have multiple ID's or Code_Number. With SplitValues As ( Select T. If there is a NULL 'todate' in any row for a specific 'Utility' (Solid Waste for example) I want to create a 'Status' column with a value of 'Active'. So, once a condition is true, it will stop reading and return the result. Dec 3, 2014 · You just need to make both comparisons in the same case statement: and dep_dt = case when to_char( SysDate, 'D' ) <> '2' and dep_dt <= SysDate then dep_dt else SysDate end Apr 22, 2015 · The top query uses a "pairwise comparison subquery" (source: 2007 Oracle SQL class slides). W3Schools offers free online tutorials, references and exercises in all the major languages of the web. So, You should use its syntax if you want to get the result based upon different conditions -. Unit <> 'ER') THEN 1 ELSE 0 END as field_name Basically I am looking for rows where a. I'm able to do this with ds. The UPDATE statement is always followed by the SET command, it specifies the column where the update is required. In this case, the IF condition is false and prints “Specified product_id column doesn’t exist”. Rownumber = a. Jul 11, 2016 · I look for a working example where I can use mutliple when case statment wihch check to verify if a specific text is contained: e. 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 If columnA = 1, columnB = 0 then columnC = 1 If columnA = 0, columnB = 0 then columnC = 0 I already try below script Jan 31, 2019 · Basically I want to search through 3 different fields and identify the "Undergraduate" program first (if one exists). BusinessId = CompanyMaster. SQL Fiddle DEMO. AreaSubscription WHERE AreaSubscription. It should return at least four rows on most SQL Server installations and perhaps two rows on Azure DBaaS instances. Format numbers in SQL Server In this temp table I have 4 columns procuredValue,minMargin,maxMargin,Price and some other columns. id, s. I didn't necessarily need the case statement, so this is what I did. May 22, 2024 · Multiple row subquery returns one or more rows to the outer SQL statement. To prevent false positives, I added a pipe symbol between the columns. The query would look like this Select col1, col2, col3 from <subquery> where (col1,col2) in <subquery> SQL Server doesn't seem to like that. Position ) As Num From Table As T Cross Apply dbo. It means that the two values have to exist in the same row. Test ) select case when (b. Type or a. Name Order By Z. If no valid undergraduate program exists, I then want to search for the "Graduate" Program (if one exists). It is actually an OR statement. contactid FROM YOUR_TABLE t WHERE flag IN ('Volunteer', 'Uploaded') GROUP BY t. Evaluates a list of conditions and returns one of multiple possible result expressions. The values are foreign keys varchars to an employee table. COLUMNS WHERE TABLE_NAME = 'X' AND COLU Jun 16, 2011 · Case does support multiple columns in the conditional check. Aug 27, 2015 · In plsql exists two type of case statement. SQL update rows in column using CASE statement. 08, 2) -- other categories END discount FROM products Sep 16, 2011 · The question is specific to SQL Server, but I would like to extend Martin Smith's answer. It isn't really shown in the doc for SELECT (at least I can't find it now. Say for instance Column B is March, I'd like to return the value for January. "Selector case" and "Search case".

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