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26 cze 2023 · The CASE statement in the WHERE clause can conditionally filter rows based on defined criteria. The syntax for the CASE statement in the WHERE clause is shown below. The CASE expression matches the condition and returns the value of the first THEN clause.
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SQL Server Cursor Example. SQL CASE Statement in Where...
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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. so in your particular case, you're going to need put the query into a stored procedure or create three separate queries.
The CASEexpression 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 ELSEclause.
In SQL Server, the CASE statement in the WHERE clause is a powerful tool that allows you to apply conditional logic to filter rows based on specified conditions. The CASE statement evaluates one or more conditions and returns a result based on the first condition that is true.
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.
3 wrz 2024 · 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.
28 cze 2023 · A common use of case statements is to return a specific value depending on a column’s value in the result set. Consider the following scenarios: Display user status based on their account age. Find customers’ geographic regions based on their address data. Calculate discounts or sales taxes based on product categories or pricing tiers.
