What are conditional statements in MySQL?

What are conditional statements in MySQL?

In this article we will describe how to use Conditional Statements in MySQL. Use IF in select clause: The IF syntax is used to execute some code only if a specified condition is true.

How do I find query conditions in MySQL?

MySQL IF() Function

1. Return “YES” if the condition is TRUE, or “NO” if the condition is FALSE:
2. Return 5 if the condition is TRUE, or 10 if the condition is FALSE:
3. Test whether two strings are the same and return “YES” if they are, or “NO” if not:

Is there a for loop in MySQL?

The MySQL LOOP statement could be used to run a block of code or set of statements, again and again, depends on the condition. labelname : It is an optional label at the start and end. statements : They could have one or multiple statements, each ended by a semicolon (;) and executed by LOOP.

How is a conditional statement used in MySQL?

A database encompasses one or multiple tables with rows and columns. Each table is represented by a name and SQL statements are used to perform any action on a database. Here, we will discuss Conditional statements in MYSQL which are based on some conditional expressions.

How does the if statement in MySQL work?

First, specify a condition to execute the code between the IF-THEN and END IF . If the condition evaluates to TRUE, the statements between IF-THEN and END IF will execute. Otherwise, the control is passed to the next statement following the END IF.

Which is an expression based on a condition in MySQL?

Here, we will discuss Conditional statements in MYSQL which are based on some conditional expressions. An expression can be any arrangement of MySQL literals like variables, operators, and functions that on execution returns a logical value if the condition is satisfied. Let’s first view some of the important SQL statements with the syntax:

What happens if there is no condition in MySQL?

If no conditions are fulfilled, then the value will be returned in the ELSE clause. But again, it will return NULL if no ELSE portion and no conditional expressions are true. 4. ISNULL () Function