There are two types of CASE expression: simple and searched. You must choose one or the other - you can't use a mixture both types in one expression. Try this: WHEN @Period = 1 …

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 …

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 …

Apr 20, 2021 · 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 …

The CASE expression evaluates the conditions sequentially and returns the result of the first condition whose condition is met. In SQL Server, the CASE expression can be used in …

Aug 17, 2021 · In SQL, the CASE statement returns results based on the evaluation of certain conditions. It is quite versatile and can be used in different constructs. It's a simple yet …

The CASE function allows us to evaluate a column value on a row against multiple criteria, where each criterion might return a different value. The first criterion that evaluates to true will be the …

Jan 7, 2013 · Using a SELECT statement with a searched CASE expression. Within a SELECT statement, the searched CASE expression allows for values to be replaced in the result set …

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 …

Apr 30, 2019 · CASE is one of the most powerful and more complex built-in expressions in Transact-SQL. Due to its name, this expression is regularly mistaken for the CASE statement …