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 …

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 · 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” …

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 …

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:

Dec 27, 2023 · CASE statements are invaluable in SQL coding, yet many developers underutilize or misuse them. As an Oracle DBA for over 15 years supporting large-scale enterprise …