Mysql if then

Based on a certain condition, it mysql if then us to execute a set of SQL statements. Let us see each of these statements in detail. This statement executes a set of SQL queries based on certain conditions or expressions. In the above syntax, we have to specify a condition for executing the code, mysql if then.

Decision Making in scripting is similar to decision-making in real life. In scripting, DBAs face some situations where they want a certain part of the script to be executed when some condition is fulfilled. Skip to content. Change Language. Open In App. Related Articles.

Mysql if then

The IF statement for stored programs implements a basic conditional construct. There is also an IF function , which differs from the IF statement described here. See Section An IF END IF block, like all other flow-control blocks used within stored programs, must be terminated with a semicolon, as shown in this example:. As with other flow-control constructs, IF You can use indentation to make nested flow-control blocks more easily readable by humans although this is not required by MySQL , as shown here:. In this example, the inner IF is evaluated only if n is not equal to m. Data Definition Statements. Atomic Data Definition Statement Support. LIKE Statement. Silent Column Specification Changes. Secondary Indexes and Generated Columns. Generated Invisible Primary Keys.

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We will also learn different forms of the IF statement and their examples. As mentioned earlier, it works similarly to the if statements in other programming languages. When the given search condition becomes true, the THEN block executes. Otherwise, the else block will be executed. If neither condition evaluates to true, the ELSE block will be executed. Before that, take a look at the table that we have created for the demo purpose. The following snapshots show the description and the sample data inside the table. Here, if the condition evaluates to true, the statement after THEN will execute.

Mysql if then

Posted on Sep 17, Reading time: 2 minutes. The IF statement allows you to create conditional queries that will be executed only when a specified condition has been met.

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Work Experiences. Trending in News. Generated Invisible Primary Keys. Restrictions on Condition Handling. Free Tutorials Enjoy our free tutorials like millions of other internet users since Compound Statement Syntax. Upgrade Become a PRO user and unlock powerful features ad-free, hosting, videos,.. Log in Sign Up. Suggest changes. Engineering Exam Experiences. Backend Learn Python Tutorial Reference. But hurry up, because the offer is ending on 29th Feb! Host your own website, and share it to the world with W3Schools Spaces. This statement executes a set of SQL queries based on certain conditions or expressions. Table Maintenance Statements.

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