INFORMATION_SCHEMA.TRIGGERS
Displays all triggers defined on the tables and views in the current database. Only the triggers owned by the current user or those on which the current user has permissions other than SELECT are displayed, as shown in Table 1.
Name |
Type |
Description |
---|---|---|
trigger_catalog |
information_schema.sql_identifier |
Name of the database that contains the trigger. |
trigger_schema |
information_schema.sql_identifier |
Name of the schema that contains the trigger. |
trigger_name |
information_schema.sql_identifier |
Trigger name. |
event_manipulation |
information_schema.character_data |
Type of the event that triggers the trigger. The value can be INSERT, UPDATE, or DELETE. |
event_object_catalog |
information_schema.sql_identifier |
Name of the database that contains the table where the trigger is located. |
event_object_schema |
information_schema.sql_identifier |
Name of the schema that contains the table where the trigger is located. |
event_object_table |
information_schema.sql_identifier |
Name of the table where the trigger is located. |
action_order |
information_schema.cardinal_number |
Trigger sequence of triggers with the same event_manipulation, action_timing and action_orientation in the same table. |
action_condition |
information_schema.character_data |
WHEN condition of a trigger. By default, this column is left blank. |
action_statement |
information_schema.character_data |
Statement executed by the trigger. |
action_orientation |
information_schema.character_data |
Specifies whether the trigger fires once for each row being processed or once for each statement. |
action_timing |
information_schema.character_data |
Time when a trigger is triggered. The value can be BEFORE, AFTER, or INSTEAD OF. |
action_reference_old_table |
information_schema.sql_identifier |
This parameter is meaningless and is left blank. |
action_reference_new_table |
information_schema.sql_identifier |
This parameter is meaningless and is left blank. |
action_reference_old_row |
information_schema.sql_identifier |
This parameter is meaningless and is left blank. |
action_reference_new_row |
information_schema.sql_identifier |
This parameter is meaningless and is left blank. |
created |
information_schema.time_stamp |
This parameter is meaningless and is left blank. |

INFORMATION_SCHEMA.TRIGGERS displays only triggers whose event types are INSERT, UPDATE, and DELETE.
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