TRUNC

Introduced in MariaDB 12.2.

Syntax

TRUNC(date[,fmt])

Description

Returns a DATETIME truncated according to fmt.

Supported formats:

Truncate to day: DD, DDD, J Truncate to month: MM, MON, MONTH, RM Truncate to year: SYEAR, SYYYY, Y,YEAR, YY, YYY, YYYY

Examples

SELECT TRUNC('2025-09-24 12:43','DD');
+--------------------------------+
| TRUNC('2025-09-24 12:43','DD') |
+--------------------------------+
| 2025-09-24 00:00:00            |
+--------------------------------+

SELECT TRUNC('2025-09-24 12:43','MM');
+--------------------------------+
| TRUNC('2025-09-24 12:43','MM') |
+--------------------------------+
| 2025-09-01 00:00:00            |
+--------------------------------+

SELECT TRUNC('2025-09-24 12:43','YY');
+--------------------------------+
| TRUNC('2025-09-24 12:43','YY') |
+--------------------------------+
| 2025-01-01 00:00:00            |
+--------------------------------+

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