MySQL 5.7 Reference Manual Including MySQL NDB Cluster 7.5 and NDB Cluster 7.6
To obtain metadata about triggers:
Query the TRIGGERS table of the
INFORMATION_SCHEMA database. See
Section 24.3.29, “The INFORMATION_SCHEMA TRIGGERS Table”.
Use the SHOW CREATE TRIGGER
statement. See Section 13.7.5.11, “SHOW CREATE TRIGGER Statement”.
Use the SHOW TRIGGERS
statement. See Section 13.7.5.38, “SHOW TRIGGERS Statement”.