Learn MySQL: Control Flow functions

Learn MySQL: Control Flow functions

Learn MySQL: Control Flow functions. In this article, we are going to learn the IF function and CASE expressions that are very important control flow functions in MySQL. Moreover, I am including an overview of the IFNULL and NULL of functions.

In this article, we are going to learn about the most common control flow functions. The control flow function evaluates the condition specified in it. The output generated by them can be a true, false, static value or column expression. We can use the control flow functions in the SELECT, WHERE, ORDER BY, and GROUP BY clause. Following are the most common functions:

  1. The IF functions
  2. The CASE expression
  3. The IFNULL function
  4. The NULLIF function

In this article, we are going to learn the IF function and CASE expressions that are very important control flow functions in MySQL. Moreover, I am including an overview of the IFNULL and NULL of functions.

mysql functions

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