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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 such as <select_list>, IN, WHERE, ORDER BY, and HAVING. Transact-SQL syntax conventions.
The CASE is just a "switch" to return a value - not to execute a whole code block. You need to change your code to something like this: SELECT @selectoneCount = CASE @Temp WHEN 1 THEN @selectoneCount + 1 WHEN 2 THEN @selectoneCount + 1 END
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 will stop reading and return the result. If no conditions are true, it returns the value in the ELSE clause.
20 kwi 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 you when and how you can use CASE in T-SQL statements.
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 body followed by an optional ELSE clause.
This tutorial shows you how to use the SQL Server CASE expression to add if-else logic to SQL queries with many practical examples.
28 cze 2019 · The CASE statement comes in handy when you want to implement IF-THEN logic in SQL Server. In this article, we saw what CASE statement is along with its syntax. We also saw different examples of CASE statement along with its usage with the GROUP BY clause.
