How do I write an if statement in MySQL?
MySQL IF Statement
- 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.
- Second, specify the code that will execute if the condition evaluates to TRUE .
Can we use if statement 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. …
What is an example of an if statement?
An if statement is a programming conditional statement that, if proved true, performs a function or displays information. In the example above, if the value of X were equal to any number less than 10, the program displays, “Hello John” when the script is run.
What is if-then statement with example?
Sally eats a snack if she is hungry. In if-then form, the statement is If Sally is hungry, then she eats a snack. The hypothesis is Sally is hungry and the conclusion is she eats a snack.
Is else MySQL?
In MySQL, the IF-THEN-ELSE statement is used to execute code when a condition is TRUE, or execute different code if the condition evaluates to FALSE.
What is the basic syntax of if statement?
The syntax for if statement is as follows: if (condition) instruction; The condition evaluates to either true or false. True is always a non-zero value, and false is a value that contains zero.
What are the types of IF statement?
There are three forms of IF statements: IF-THEN , IF-THEN-ELSE , and IF-THEN-ELSIF .
What is the function of MySQL?
MySQL is an open source relational database management system. It runs as a server and allows multiple users to manage and create numerous databases.
Can you use if statements in a SQL query?
The IF statement is used to execute a block of code if a condition is satisfied . If a condition is not satisfied (FALSE) then optionally ELSE statement can be used. In the case of SQL Server, the IF statement is used to execute SQL statements if a condition is TRUE.
How can I simulate a print statement in MySQL?
To simulate a print statement in MySQL, you can use select statement. The syntax is as follows − SELECT ‘anyStringValue’ as ‘ ‘; You can check the above syntax at the MySQL command line client.
What is clause in MySQL?
Description. The MySQL HAVING clause is used in combination with the GROUP BY clause to restrict the groups of returned rows to only those whose the condition is TRUE.