Tutorials References Exercises Videos NEW Menu
Paid Courses Website NEW

MySQL Tutorial

MySQL HOME MySQL Intro MySQL RDBMS

MySQL SQL

MySQL SQL MySQL SELECT MySQL WHERE MySQL AND, OR, NOT MySQL ORDER BY MySQL INSERT INTO MySQL NULL Values MySQL UPDATE MySQL DELETE MySQL LIMIT MySQL MIN and MAX MySQL COUNT, AVG, SUM MySQL LIKE MySQL Wildcards MySQL IN MySQL BETWEEN MySQL Aliases MySQL Joins MySQL INNER JOIN MySQL LEFT JOIN MySQL RIGHT JOIN MySQL CROSS JOIN MySQL Self Join MySQL UNION MySQL GROUP BY MySQL HAVING MySQL EXISTS MySQL ANY, ALL MySQL INSERT SELECT MySQL CASE MySQL Null Functions MySQL Comments MySQL Operators

MySQL Database

MySQL Create DB MySQL Drop DB MySQL Create Table MySQL Drop Table MySQL Alter Table MySQL Constraints MySQL Not Null MySQL Unique MySQL Primary Key MySQL Foreign Key MySQL Check MySQL Default MySQL Create Index MySQL Auto Increment MySQL Dates MySQL Views

MySQL References

MySQL Data Types MySQL Functions

MySQL Examples

MySQL Examples MySQL Quiz MySQL Exercises

MySQL RAND() Function

❮ MySQL Functions

Example

Return a random decimal number (no seed value - so it returns a completely random number >= 0 and <1):

SELECT RAND();
Try it Yourself »

Definition and Usage

The RAND() function returns a random number between 0 (inclusive) and 1 (exclusive).

Syntax

RAND(seed)

Parameter Values

Parameter Description
seed Optional. If seed is specified, it returns a repeatable sequence of random numbers. If no seed is specified, it returns a completely random number

Technical Details

Works in: From MySQL 4.0

More Examples

Example

Return a random decimal number (with seed value of 6):

SELECT RAND(6);
Try it Yourself »

Example

Return a random decimal number >= 5 and <10:

SELECT RAND()*(10-5)+5;
Try it Yourself »

Example

Return a random number >= 5 and <=10:

SELECT FLOOR(RAND()*(10-5+1)+5);
Try it Yourself »

❮ MySQL Functions