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The SQL CASE Expression. 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.
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7 sty 2013 · Using a SELECT statement with a searched CASE expression. Within a SELECT statement, the searched CASE expression allows for values to be replaced in the result set based on comparison values. The following example displays the list price as a text comment based on the price range for a product.
7 maj 2017 · The simple way to achieve this goal is to add a CASE expression to your SELECT statement. In this article, we'll introduce you to the syntax, formats, and uses of the CASE expression. The CASE expression is a conditional expression: it evaluates data and returns a result.
11 paź 2024 · Master SQL CASE to conditionally return values in queries. Learn syntax and practical examples for using CASE expressions to handle multiple conditions.
26 cze 2023 · We can use CASE in SQL statements such as SELECT, WHERE, and ORDER BY. CASE Statement in the WHERE Clause. 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.
21 kwi 2011 · You can parameterize your query and pass in a parameter, let's call it @FormName: select. case. when @FormName is not null then ParentTable.column1. else ParentTable.column2. end. from ParentTable. where ParentTable.column3 = @FormName. answered Apr 19, 2011 at 20:40.
31 paź 2007 · Select/case is not available in a query. But there is an equivalent called switch() that can be used quite easily and successfully. Please read MS Access: Switch Function
