
sql - Case in Select Statement - Stack Overflow
Jan 7, 2013 · Within a SELECT statement, a simple CASE expression allows for only an equality check; no other comparisons are made. The following example uses the CASE expression to …
Using CASE Statements in SQL SELECT Queries - Baeldung
Nov 29, 2024 · CASE statements are a way to add if-then logic to SQL SELECT queries. They test conditions and return different values based on the results. This makes queries more …
Using CASE to Add Logic to a SELECT - LearnSQL.com
May 7, 2017 · The simple way to achieve this goal is to add a CASE expression to your SELECT statement. In this article, we'll introduce you to the syntax, formats, and uses of the CASE …
How to Use the CASE Statement in SQL (With Examples)
With the syntax covered, let’s explore how to use the CASE statement within SELECT and other key SQL clauses. The CASE statement is frequently used within SELECT queries to modify …
SQL CASE Expression - W3Schools
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 will stop reading and return the …
CASE (Transact-SQL) - SQL Server | Microsoft Learn
Nov 22, 2024 · CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, …
SQL CASE Expression - SQL Tutorial
For example, you can use the CASE expression in the clauses such as SELECT, ORDER BY, and HAVING of the SELECT, DELETE, and UPDATE statements. Here’s the syntax of the …
CASE Statement in SQL Examples - SQL Server Tips
Apr 20, 2021 · CASE can not only be used in SELECT statements, but at any other place where an expression can be written. This includes UPDATE, DELETE, SET, MERGE, a WHERE or …
SQL CASE Examples with Multiple Conditions - Database.Guide
Aug 20, 2024 · There are two main forms of the CASE statement: Simple CASE: Compares an expression to a set of simple expressions to determine the result. Searched CASE: Evaluates …
How to write a select inside case statement - Stack Overflow
How can I write out this query? You can do this with a case. I think the following is the logic you want: when exists (Select 1. from dbo.Client c. Where c.Client_ID = SUBSTRING(i.Invoice_ID, …