This tutorial shows you how to use Oracle CASE expressions to add if-else logic to SQL statements, making your queries more flexible.

In a searched CASE expression, Oracle searches from left to right until it finds an occurrence of condition that is true, and then returns return_expr. If no condition is found to be true, and an …

One way I could think was using a Switch When expression in select query. CASE status . WHEN 'a1' THEN 'Active' WHEN 'a2' THEN 'Active' WHEN 'a3' THEN 'Active' WHEN 'i' THEN …

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 …

Oct 17, 2024 · Here, we explore the syntax, types, and practical use cases of the PL/SQL CASE statement to make better decisions and improve your ability to use conditional logic in Oracle …

All possible values returned by a CASE expression must be of the same data type. The searched CASE expression can be more complicated, involving multiple columns in the comparisons. …

The SQL CASE Expression The CASE expression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). So, once a condition is true, it …

Jun 28, 2024 · A CASE statement is similar to IF-THEN-ELSIF statement that selects one alternative based on the condition from the available options. CASE statement uses “selector” …

Dec 7, 2023 · If you want to do if-else-then logic in select, where or anywhere else in a statement, you need a case expression. This is a series of when clauses that the database runs in order:

Simplify conditional logic with the SQL CASE statement in Oracle. Oracle SQL CASE statement gives you the flexibility to use sql IF ELSE logic in a SELECT, WHERE and JOIN clause.