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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.
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CASE WHEN Quantity > 30 THEN 'The quantity is greater than...
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SQL Statement: SELECT CustomerName, City, Country FROM...
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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
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.
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.
30 sie 2022 · This article provides you implementation details of SQL server switch case statement and how to use it with examples
28 cze 2023 · The SQL CASE expression operates similar to a switch statement found in programming languages like C# or Java, allowing users to execute specific actions depending on predefined conditions.
22 sie 2024 · The CASE statement in SQL is a conditional expression that allows you to execute different logic based on certain conditions within a query. It is used to create new columns, customize values, or modify query outputs depending on specified criteria.
