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MySQL 5.7 Reference Manual  /  ...  /  SHOW CREATE TRIGGER Statement

13.7.5.11 SHOW CREATE TRIGGER Statement

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SHOW CREATE TRIGGER trigger_name

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.

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mysql> SHOW CREATE TRIGGER ins_sum\G *************************** 1. row *************************** Trigger: ins_sum sql_mode: ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES, NO_ZERO_IN_DATE,NO_ZERO_DATE, ERROR_FOR_DIVISION_BY_ZERO, NO_AUTO_CREATE_USER,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 Created: 2018-08-08 10:10:07.90

SHOW CREATE TRIGGER output has these 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.

  • Created: The date and time when the trigger was created. This is a TIMESTAMP(2) value (with a fractional part in hundredths of seconds) for triggers created in MySQL 5.7.2 or later, NULL for triggers created prior to 5.7.2.

Trigger information is also available from the INFORMATION_SCHEMA TRIGGERS table. See Section 24.3.29, “The INFORMATION_SCHEMA TRIGGERS Table”.