MySQLCAST() Function
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 theCONVERT() function.
Syntax
CAST(value ASdatatype)
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 | Convertsvalue to DATE. Format: "YYYY-MM-DD" | | DATETIME | Convertsvalue to DATETIME. Format: "YYYY-MM-DD HH:MM:SS" | | DECIMAL | Convertsvalue 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 | Convertsvalue to TIME. Format: "HH:MM:SS" | | CHAR | Convertsvalue to CHAR (a fixed length string) | | NCHAR | Convertsvalue to NCHAR (like CHAR, but produces a string with the national character set) | | SIGNED | Convertsvalue to SIGNED (a signed 64-bit integer) | | UNSIGNED | Convertsvalue to UNSIGNED (an unsigned 64-bit integer) | | BINARY | Convertsvalue to BINARY (a binary string) |
|
Technical Details
More Examples
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 »
