DECIMAL_PRECISION function

Checks the precision of the maximum total number of decimal digits to be stored. This number includes both the left and right digits of the decimal point. The range of the precision is from 1 to 38, with a default of 38.

Syntax

DECIMAL_PRECISION(super_expression)

Arguments

Return type

INTEGER

Examples

To apply the DECIMAL_PRECISION function to the table t, use the following example.

CREATE TABLE t(s SUPER);

INSERT INTO t VALUES (3.14159);

SELECT DECIMAL_PRECISION(s) FROM t;

+-------------------+
| decimal_precision |
+-------------------+
|                 6 |
+-------------------+