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MySQL 5.6 Reference Manual
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MySQL 5.6 Reference Manual  /  ...  /  SHOW CREATE TRIGGER Syntax SHOW CREATE TRIGGER Syntax


This statement shows the CREATE TRIGGER statement that creates the named trigger. This statement requires the TRIGGER privilege for the table associated with the trigger.

mysql> SHOW CREATE TRIGGER ins_sum\G
*************************** 1. row ***************************
               Trigger: ins_sum
              sql_mode: NO_ENGINE_SUBSTITUTION
SQL Original Statement: CREATE DEFINER=`me`@`localhost` TRIGGER ins_sum
                        BEFORE INSERT ON account
                        FOR EACH ROW SET @sum = @sum + NEW.amount
  character_set_client: utf8
  collation_connection: utf8_general_ci
    Database Collation: latin1_swedish_ci

SHOW CREATE TRIGGER output has the following columns:

  • Trigger: The trigger name.

  • sql_mode: The SQL mode in effect when the trigger executes.

  • SQL Original Statement: The CREATE TRIGGER statement that defines the trigger.

  • character_set_client: The session value of the character_set_client system variable when the trigger was created.

  • collation_connection: The session value of the collation_connection system variable when the trigger was created.

  • Database Collation: The collation of the database with which the trigger is associated.

You can also obtain information about trigger objects from INFORMATION_SCHEMA, which contains a TRIGGERS table. See Section 21.26, “The INFORMATION_SCHEMA TRIGGERS Table”.

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