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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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SELECT OrderID, Quantity, CASE WHEN Quantity > 30 THEN 'The...
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SQL Statement: SELECT CustomerName, City, Country FROM...
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7 sty 2013 · 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.
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. Transact-SQL syntax conventions.
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.
17 sie 2021 · Explore CASE in SQL and master conditional logic with our comprehensive guide on the CASE statement. Includes practical examples and best practices.
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.
16 sty 2024 · To begin, we will examine the simplest syntax of the SQL CASE WHEN statement. This construct is especially helpful for segmenting records according to a given criteria and generating a new column to show the outcomes. Here’s the syntax: SELECT column_name, CASE WHEN condition THEN result END AS new_column FROM your_table;
