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Learn how to use the SQL CASE expression to check conditions and return values like an if-then-else statement. See syntax, examples and a demo database.
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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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3 wrz 2024 · Learn how to use CASE expression to evaluate a list of conditions and return one of multiple possible results in SQL Server. See syntax, arguments, return types, remarks and examples for simple and searched CASE formats.
13 cze 2021 · Here are the CASE expression examples from the PostgreSQL docs (Postgres follows the SQL standard here): SELECT a, CASE WHEN a=1 THEN 'one' WHEN a=2 THEN 'two' ELSE 'other' END FROM test; or. SELECT a, CASE a WHEN 1 THEN 'one' WHEN 2 THEN 'two' ELSE 'other' END FROM test;
17 sie 2021 · If you need to evaluate multiple conditional statements, the SQL CASE statement will do the job. 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.
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.
Learn how to use a CASE statement in SQL to assign values based on conditions. See examples, syntax, and discussion of different types of CASE statements.
Learn how to use the SQL CASE statement to perform conditional logic in your SQL queries. See the basic syntax, an example, and the applications of the CASE statement for data transformation, cleansing, and validation.
