In a simple CASE expression, Oracle Database searches for the first WHEN ... THEN pair for which expr is equal to comparison_expr and returns return_expr. If none of the WHEN ...

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

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 …

Oct 7, 2025 · In this guide, we break down how to use the SQL CASE WHEN statement with multiple conditions across platforms like MySQL, SQL Server, Oracle, and PostgreSQL. By the …

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. …

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 …

Jun 28, 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.

The simple CASE statement evaluates a single expression and compares it to several potential values. The searched CASE statement evaluates multiple Boolean expressions and chooses …

Jun 2, 2025 · Conditions can be analysed using the CASE statement in Oracle SQL. In this blog, we will discuss the CASE Statement in SQL and how to use it. What is the CASE Statement in …

Prepare for SQL Interview. Overview. Oracle SQL Joins.