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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 the syntax and examples of simple and searched CASE expressions in SELECT, UPDATE, and HAVING clauses.
Since web search for Oracle case tops to that link, I add here for case statement, though not answer to the question asked about case expression: CASE. WHEN grade = 'A' THEN dbms_output.put_line('Excellent'); WHEN grade = 'B' THEN dbms_output.put_line('Very Good'); WHEN grade = 'C' THEN dbms_output.put_line('Good');
Learn how to use CASE expressions to apply IF ... THEN ... ELSE logic in SQL statements without procedures. See syntax, examples, and data type rules for simple and searched CASE expressions.
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 the CASE statement to choose from a sequence of conditions and execute a corresponding statement in Oracle PL/SQL. See syntax, examples, and usage notes for simple and searched CASE statements.
Learn how to use the PL/SQL CASE statement to control the flow of a program. The CASE statement can be simple or searched and has an optional ELSE clause. See syntax, examples and comparison with CASE expression.
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, range conditions, and more.
