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13.7.6.11 SHOW CREATE TRIGGER Syntax

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  1. 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.

  1. mysql> SHOW CREATE TRIGGER ins_sum\G
  2. *************************** 1. row ***************************
  3.                Trigger: ins_sum
  4.               sql_mode: ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,
  5.                         NO_ZERO_IN_DATE,NO_ZERO_DATE,
  6.                         ERROR_FOR_DIVISION_BY_ZERO,
  7.                         NO_ENGINE_SUBSTITUTION
  8. SQL Original Statement: CREATE DEFINER=`me`@`localhost` TRIGGER `ins_sum`
  9.                         BEFORE INSERT ON `account`
  10.                         FOR EACH ROW SET @sum = @sum + NEW.amount
  11.   character_set_client: utf8mb4
  12.   collation_connection: utf8mb4_0900_ai_ci
  13.     Database Collation: utf8mb4_0900_ai_ci
  14.                Created: 2018-08-08 10:10:12.61

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.

Trigger information is also available from the INFORMATION_SCHEMA TRIGGERS table. See Section 25.34, “The INFORMATION_SCHEMA TRIGGERS Table”.


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Document created the 26/06/2006, last modified the 26/10/2018
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