Can we write if else in MySQL query?

Can we write if else in MySQL query?

The syntax for the IF-THEN-ELSE statement in MySQL is: IF condition1 THEN {… statements to execute when condition1 is TRUE…} [ ELSEIF condition2 THEN {…

How do I write an if statement 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:

Can you use if/then statements in SQL?

It is the simplest form of the IF control statement, frequently used in decision-making and changing the control flow of the program execution. If the condition is TRUE, the statements get executed, and if the condition is FALSE or NULL, then the IF statement does nothing. …

How do I use Isnull in MySQL?

The MySQL ISNULL() function is used for checking whether an expression is NULL or not. This function returns 1 if the expression passed is NULL, else it returns 0. The ISNULL() function accepts the expression as a parameter and returns an integer a value 0 or 1 depending on the parameter passed.

Can I use if in MySQL?

The MySQL IF() function is used for validating a condition. The IF() function returns a value if the condition is TRUE and another value if the condition is FALSE. The IF() function accepts one parameter which is the condition to be evaluated. …

How do you write else if in SQL?

Any T-SQL statement can be executed conditionally using IF… ELSE. If the condition evaluates to True, then T-SQL statements followed by IF condition in SQL server will be executed. If the condition evaluates to False, then T-SQL statements followed by ELSE keyword will be executed.

When to use if else statement in MySQL?

IF ELSE statement in a MySQL Statement? In an If-Else statement, the condition is evaluated to be true or false depending on the value. Let us see an example. Firstly, we will create a table. The CREATE command is used to create a table. Records are inserted with the help of INSERT command. Displaying all records.

How to use MySQL if statement in SELECT query?

This tutorial explains the usage of MySQL IF and IF ELSE Statements in Select queries with syntax and practical programming examples: MySQL provides an IF () function which is a flow control function and depending on the condition specified and its evaluation to true or false, the rest of the statement executes.

Is the else part of the IF THEN ELSE statement optional?

If no condition is met, the ELSE portion of the IF-THEN-ELSE statement will be executed. It is important to note that the ELSEIF and ELSE portions are optional. The following is example using the IF-THEN-ELSE statement in a MySQL function:

What are the forms of the if statement in SQL?

The IF statement has three forms: simple IF-THEN statement, IF-THEN-ELSE statement, and IF-THEN-ELSEIF- ELSE statement. The IF-THEN statement allows you to execute a set of SQL statements based on a specified condition.