26.4.5.21 The version_minor() Function
This function returns the minor version of the MySQL server.
A TINYINT UNSIGNED
value.
mysql> SELECT VERSION(), sys.version_minor();
+------------------+---------------------+
| VERSION() | sys.version_minor() |
+------------------+---------------------+
| 5.7.24-debug-log | 7 |
+------------------+---------------------+