Tutorials References Exercises Videos Menu
Create Website Get Certified Upgrade

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 Certificate

MySQL CAST() Function

❮ MySQL Functions

Example

Convert a value to a DATE datatype:

SELECT CAST("2017-08-29" AS DATE);
Try it Yourself »

Definition and Usage

The CAST() function converts a value (of any type) into the specified datatype.

Tip: See also the CONVERT() function.

Syntax

CAST(value AS datatype)

Parameter Values

Parameter Description
value Required. The value to convert
datatype Required. The datatype to convert to. Can be one of the following:
Value Description
DATE Converts value to DATE. Format: "YYYY-MM-DD"
DATETIME Converts value to DATETIME. Format: "YYYY-MM-DD HH:MM:SS"
DECIMAL Converts value to DECIMAL. Use the optional M and D parameters to specify the maximum number of digits (M) and the number of digits following the decimal point (D).
TIME Converts value to TIME. Format: "HH:MM:SS"
CHAR Converts value to CHAR (a fixed length string)
NCHAR Converts value to NCHAR (like CHAR, but produces a string with the national character set)
SIGNED Converts value to SIGNED (a signed 64-bit integer)
UNSIGNED Converts value to UNSIGNED (an unsigned 64-bit integer)
BINARY Converts value to BINARY (a binary string)

Technical Details

Works in: From MySQL 4.0

More Examples

Example

Convert a value to a CHAR datatype:

SELECT CAST(150 AS CHAR);
Try it Yourself »

Example

Convert a value to a TIME datatype:

SELECT CAST("14:06:10" AS TIME);
Try it Yourself »

Example

Convert a value to a SIGNED datatype:

SELECT CAST(5-10 AS SIGNED);
Try it Yourself »

❮ MySQL Functions