SECONDS_DIFF

Description

The function calculates the time difference between two datetime values and returns the difference in seconds.

Syntax

SECONDS_DIFF(<end_datetime>, <start_datetime>)

Parameters

Parameter	Description
<end_datetime>	Required. The ending datetime value. Supports the DATETIME and DATE type.
<start_datetime>	Required. The starting datetime value. Supports the DATETIME and DATE type.

Return Value

• Returns an integer representing the difference in seconds between two datetime values:
  • If <end_datetime> is later than <start_datetime>, returns a positive value.
  • If <end_datetime> is earlier than <start_datetime>, returns a negative value.
  • If <end_datetime> and <start_datetime> are equal, returns 0.
• If either parameter is NULL, the function returns NULL.
• If the input datetime values are invalid (e.g., 0000-00-00T00:00:00), the function returns NULL.

Example

SELECT SECONDS_DIFF('2025-01-23 12:35:56', '2025-01-23 12:34:56');

+----------------------------------------------------------------------------------------------------------+
| seconds_diff(cast('2025-01-23 12:35:56' as DATETIMEV2(0)), cast('2025-01-23 12:34:56' as DATETIMEV2(0))) |
+----------------------------------------------------------------------------------------------------------+
|                                                                                                       60 |
+----------------------------------------------------------------------------------------------------------+