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The CASE statement goes through conditions and return 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.
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The Try-MySQL Editor at w3schools.com MySQL Database:...
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MySQL CASE expression is a control flow structure that allows you to add if-else logic to a query. Generally speaking, you can use the CASE expression anywhere that allows a valid expression e.g., SELECT, WHERE and ORDER BY clauses. The CASE expression has two forms: simple CASE and searched CASE.
1 sie 2016 · Let's convert this if-else if chain in MySQL using CASE WHEN expression: SET @n := -9; SELECT CASE WHEN @n <0 THEN 'N is Negative' WHEN @n =0 THEN 'N is 0' ELSE 'N is positive' END AS output;
16 sty 2024 · Unlock the power of SQL CASE WHEN with 10 beginner-friendly exercises. Learn to categorize and manipulate data dynamically, enhancing your data analysis skills!
This tutorial shows you how to use the MySQL CASE statements, including simple CASE and searched CASE statement, in stored procedures.
This MySQL tutorial explains how to use the MySQL CASE function with syntax and examples. The MySQL CASE function has the functionality of an IF-THEN-ELSE statement by allowing you to evaluate conditions and return a value when the first condition is met.
The MySQL CASE function is a powerful function used for conditional logic within SQL queries. It allows you to perform conditional operations based on specified conditions and return different values depending on whether the conditions are met or not.
