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Learn how to use the Oracle CASE expression to add if-else logic to SQL statements without calling a procedure. See examples of simple and searched CASE expressions in SELECT, UPDATE, and HAVING clauses.
You can rewrite it to use the ELSE condition of a CASE: SELECT status, CASE status WHEN 'i' THEN 'Inactive' WHEN 't' THEN 'Terminated' ELSE 'Active' END AS StatusText FROM stage.tst
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.
Learn how to use CASE expressions to apply IF ... THEN ... ELSE logic in SQL statements without procedures. See simple and searched CASE examples with syntax, data types, and collation rules.
7 Δεκ 2023 · Learn how to use case expressions in Oracle SQL to implement IF-THEN logic in select, where, join, and PL/SQL. See simple and searched case expressions, key-value pairs, and performance tips.
Learn how to use the PL/SQL CASE statement to control the flow of a program. See examples of simple and searched CASE statements and how they differ from CASE expressions.
Learn how to use the CASE statement to choose from a sequence of conditions and execute a corresponding statement. See syntax, examples, and usage notes for simple and searched CASE statements.
