SELECTcolumn1, column2, ...CASEWHENcondition1THENresult1WHENcondition2THENresult2-- Add more WHEN conditions and results as neededENDASalias_nameFROMtable_name; We can add as manyWHEN ... THENconditions as required in theCASEstatement. For example, -- multiple CASE conditions in SQLSELECTcusto...
In the T-SQL scripting language, you can use the SQL CASE statement to evaluate a condition and return one or more result expressions. This SQL Tutorial will teach you when and how you can use CASE in T-SQL statements. Solution TheCASE expressionis used to build IF … THEN … ELSE stat...
The Case Statement in SQL is a conditional expression that introduces a decision making logic into your query. It works similarly to anif-elif-else statement in Python, allowing you to evaluate multiple conditions and return specific results based on those conditions. ...
SQL CASE statement with Multiple THEN's I am wondering whether its possible to extract two seperate columns of data after a 'THEN' statement when using CASEFor exampleSelect country, CASE WHEN X>1 Then (code which allows 'A' in one column and 'B' in a second column)... END FROM ...
In this format, we evaluate one expression against multiple values. In a simple case statement, it evaluates conditions one by one. Once the condition and expression are matched, it returns the expression mentioned in THEN clause. We have following syntax for a case statement in SQL with a ...
I would appreciate it a lot if anyone can see what im doing wrong in below statement! CASE WHEN [@field:Agree]="NO" AND [@field:Term]="Disc1" THEN SELECT Price FROM Products WHERE Model=target.[@field:Model] AND Color=target.[@field:Color] WHEN [@field:Agree]="YES" AND ...
CASE WHEN condition_1 THEN statements_1 WHEN condition_2 THEN statements_2 ... WHEN condition_n THEN statements_n [ ELSE else_statements ] END CASE;] Code language: PostgreSQL SQL dialect and PL/pgSQL (pgsql) The searched CASE statement follows the rules below: The conditions in the WHEN...
将其 Package 在MAX中，以便将组中多行的值（包括NULL）"压缩"/聚合为单个值;如果所有的行都有NULL...
SQL: CASE Statement 1.CASE 写法如下: CASE WHEN condition1 THEN result1 WHEN condition2 THEN result2 WHEN conditionN THEN resultN ELSE result END; 解释:1)先匹配第一条,不匹配的话继续第二条,如此循环,
SQL CASE Statement - Learn how to use the SQL CASE statement to perform conditional logic in your SQL queries effectively.