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This tutorial shows you how to use the PL/SQL CASE statement including simple CASE and searched CASE statements.
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This Oracle tutorial explains how to use the Oracle / PLSQL CASE statement with syntax and examples. 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.
28 cze 2024 · This Tutorial explains how to use the PL/SQL case statement, including simple case & searched case with Syntax, Examples & Code Explanation for better Understanding.
Oracle CASE expression allows you to add if-else logic to SQL statements without having to call a procedure. The CASE expression evaluates a list of conditions and returns one of the multiple possible results. You can use a CASE expression in any statement or clause that accepts a valid expression.
The PL/SQL CASE statement allows you to execute a sequence of statements based on a selector. A selector can be anything such as variable , function , or expression that the CASE statement evaluates to a Boolean value.
In Oracle PL/SQL, the CASE statement is used to perform different actions based on the value of an expression. The CASE statement can be used in two forms: simple and searched. The simple form of the CASE statement has the following syntax: CASE syntax. WHEN operator {content_operator THEN {statement;} ... ...} [ELSE {statement;}...] END CASE ;
CASE in PL/SQL. The CASE expression was first added to SQL in Oracle Database 8i. Oracle Database 9i extended its support to PL/SQL to allow CASE to be used as an expression or statement. Tim covers all the basics in this ORACLE-BASE article.
