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26 cze 2023 · Learn how to use SQL CASE statement to filter data based on different conditions or expressions in the WHERE clause. See syntax, examples, and tips for using CASE in SQL queries.
- SQL Server Drop Table If Exists Examples
SQL CASE Statement in Where Clause to Filter Based on a...
- SQL Server Drop Table If Exists Examples
16 paź 2008 · You can use a WHERE clause when you're checking the WHERE criteria in the predicate, such as. WHERE account_location = CASE @locationType WHEN 'business' THEN 45 WHEN 'area' THEN 52 END
Learn how to use the SQL CASE expression to check conditions and return values in a query. See syntax, examples and a demo database with the Northwind sample data.
Learn how to use the CASE statement in the WHERE clause to apply conditional logic to filter rows in SQL Server. See syntax, example and performance implications of this technique.
The SQL CASE expression allows you to evaluate a list of conditions and returns one of the possible results. The CASE expression has two formats: simple CASE and searched CASE. You can use the CASE expression in a clause or statement that allows a valid expression.
CASE is used within a SQL statement, such as SELECT or UPDATE. Don’t mistake CASE for the IF ELSE control of flow construct, which is used to evaluate the conditional execution of SQL statements. Let’s illustrate with an example.
17 sie 2021 · To effectively harness CASE in SQL, grasping its structure and practical uses is key. I'll guide you through real query examples showcasing the power of this versatile statement. Here’s what you need to know to use CASE like a pro.
