CASE (Transact-SQL) - SQL Server | Microsoft Learn
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, and in clauses …
SQL CASE Expression - W3Schools
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 …
How do I use T-SQL's Case/When? - Stack Overflow
2010年7月27日 · declare @n int = 7, @m int = 3; select case when @n = 1 then 'SOMETEXT' else case when @m = 1 then 'SOMEOTHERTEXT' when @m = 2 then …
CASE Statement in SQL Examples - MSSQLTips.com - SQL …
2021年4月20日 · In the T-SQL scripting language, you can use the SQL CASE statement to evaluate a condition and return one or more result expressions. This SQL Tutorial will teach …
SQL Server CASE statement - SQL Server Tutorial
The CASE expression in SQL server allows us to apply if-then-else logic in a SQL statement. A CASE consists of a number of conditions with an accompanying custom result value in a case …
SQL CASE Statement in WHERE Clause Examples
2024年12月18日 · The CASE statement in the WHERE clause can conditionally filter rows based on defined criteria. The syntax for the CASE statement in the WHERE clause is shown below. …
Pragmatic Guide to SQL Server CASE Expression - SQL Server …
SQL Server CASE expression evaluates a list of conditions and returns one of the multiple specified results. The CASE expression has two formats: simple CASE expression and …
SQL Server CASE statement with multiple conditions - tsql.info
CASE statement with multiple conditions. The SQL Server CASE statement is a powerful tool for developers and database administrators, enabling them to implement conditional logic directly …
SQL Server: CASE Statement - TechOnTheNet
This SQL Server tutorial explains how to use the SQL Server (Transact-SQL) CASE statement with syntax and examples. In SQL Server (Transact-SQL), the CASE statement has the …
CASE Statement & Nested Case in SQL Server: T-SQL Example
2024年6月28日 · CASE Statement in SQL Server is the extension of IF…ELSE statement. Unlike IF…ELSE, where only the maximum of one condition is allowed, CASE allows the user to …