THE WORLD'S LARGEST WEB DEVELOPER SITE

SQL Tutorial

SQL HOME SQL Intro SQL Syntax SQL Select SQL Select Distinct SQL Where SQL And, Or, Not SQL Order By SQL Insert Into SQL Null Values SQL Update SQL Delete SQL Select Top SQL Min and Max SQL Count, Avg, Sum SQL Like SQL Wildcards SQL In SQL Between SQL Aliases SQL Joins SQL Inner Join SQL Left Join SQL Right Join SQL Full Join SQL Self Join SQL Union SQL Group By SQL Having SQL Exists SQL Any, All SQL Select Into SQL Insert Into Select SQL Case SQL Null Functions SQL Stored Procedures SQL Comments SQL Operators

SQL Database

SQL Create DB SQL Drop DB SQL Backup DB SQL Create Table SQL Drop Table SQL Alter Table SQL Constraints SQL Not Null SQL Unique SQL Primary Key SQL Foreign Key SQL Check SQL Default SQL Index SQL Auto Increment SQL Dates SQL Views SQL Injection SQL Hosting SQL Data Types

SQL References

SQL Keywords MySQL Functions SQL Server Functions MS Access Functions SQL Quick Ref

SQL Examples

SQL Examples SQL Quiz SQL Exercises SQL 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"
TIME Converts value to TIME. Format: "HH:MM:SS"
CHAR Converts value to CHAR (a fixed length string)
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