`information_schema.triggers.action_reference_old_table`

mysql

type: BINARY NULL

5.7-8

type: NULL

Note:

Always NULL.

5.1-10.8

type: SQL_IDENTIFIER NULL

Note:

Name of the "old" transition table, or null if none

11-15

Note:

Applies to a feature not available in PostgreSQL

type: SQL_IDENTIFIER

Note:

Applies to a feature not available in PostgreSQL

9.1-9.6