What is IF statement how do you use it?

What is IF statement how do you use it?

The IF statement works by checking the expression to see whether a condition is met and returns a value based on the output obtained. For example, based on the criteria, it returns one predetermined value if the condition is found to be true and a different predefined value if the statement is found to be false.

How do you program an if statement?

To write an if statement, write the keyword if , then inside parentheses () insert a boolean value, and then in curly brackets {} write the code that should only execute when that value is true . That code is called the body of the if statement.

How do you write an if statement in SQL?

Example 1: IF Statement with a numeric value in a Boolean expression

1. IF(1 = 1)
2. PRINT ‘Executed the statement as condition is TRUE’;
3. ELSE.
4. PRINT ‘Executed the statement as condition is FALSE’;

How do you add an if else condition in SQL query?

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.

How is if else statement can be used in a stored procedure?

How MySQL IF ELSE statement can be used in a stored procedure? MySQL MySQLi Database. MySQL IF ELSE statement implements a basic conditional construct when the expression evaluates to false. Its syntax is as follows −. IF expression THEN statements; ELSE else-statements; END IF; The statements must end with a semicolon.

What does the if statement do in Excel?

The first thing the if statement does is evaluate the expression in parentheses. If it evaluates to $true, then it executes the scriptblock in the braces. If the value was $false, then it would skip over that scriptblock. In the previous example, the if statement was just evaluating the $condition variable.

When do you combine and and with an IF statement?

When you combine each one of them with an IF statement, they read like this: AND – =IF (AND (Something is True, Something else is True), Value if True, Value if False) OR – =IF (OR (Something is True, Something else is True), Value if True, Value if False)

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.