The Oracle/PLSQL CASE statement has the functionality of an IF-THEN-ELSE statement. Starting in Oracle 9i, you can use the CASE statement within a SQL statement. Syntax The syntax for the CASE statement in Oracle/PLSQL is: CASE [ expression ] WHEN condition_1 THEN result_1 WHEN condition...
If you need to use this logic in many tables you could place it in a PL/SQL function. Then call this function in your SQL: FromOracle Database 23ai, theautomatic SQL transpilercan extract SQL expressions in PL/SQL. These are then part of the SQL statement, so at runtime it's as-i...
CASE expression syntax is similar to an IF-THEN-ELSE statement. Oracle checks each condition starting from the first condition (left to right). When a particular condition is satisfied (WHEN part) the expression returns the tagged value (THEN part). If none of the conditions are matched, the...
In this chapter: "IF Statement" In other chapters: "CASE Expressions" "Conditional Selection Statements" "Simple CASE Statement" "Searched CASE Statement" See Also: Oracle Database SQL Language Referencefor information about theNULLIFfunction
In this example, if the deptno column has a 10 in it, the SQL query will return the value accounting rather than the number 10. If the deptno is not 10, 20, 30, or 40, then the CASE statement will fall through to the ELSE clause, which will return unassigned. Note that with a ...
InMSSQL, er der to typer CASE. Simpel CASE Søgte CASE Simpel CASE Syntaksen for Simple Case CASE <Case_Expression> WHEN Value_1 THEN Statement_1 WHEN Value_2 THEN Statement_2 . . WHEN Value_N THEN Statement_N [ELSE Statement_Else] ...
Oracle Spatial and Graph - Version 11.2.0.3 and later: ORA-06592: CASE Not Found While Executing CASE Statement When Running SEM_MATCH Query
oracle.javatools.db.sql Contains an API for declaratively parsing SQL queries (SELECT statements). Uses ofCaseStatement.WhenTheninoracle.javatools.db.sql Methods inoracle.javatools.db.sqlthat returnCaseStatement.WhenThen Modifier and TypeMethod and Description ...
SQL CASE Statement 常见问题及解决方法 问题1:CASE语句在某些数据库中不支持 原因:不同的数据库系统对CASE语句的支持程度可能有所不同。 解决方法: 确保你使用的数据库系统支持CASE语句。 查阅相关数据库系统的文档,了解其特定的语法和限制。 问题2:CASE语句导致查询性能下降 ...
In Oracle it has been datetime2 kind of format. So like you said, client can ask us any time to change the column back to datetime2 from date(as of yet) in sql. FYI, I'm using Thom's suggested method. This is month to date report. If today is first day then last month data ...