mysql查找表、触发器、存储过程或函数

1. 查找某一个数据库下的某个表的结构信息：

SELECT * FROM information_schema.tables WHERE table_schema='db_name' AND table_name = 'table_name' \G

如：

2.查看某个表上的触发器

SELECT * FROM information_schema.triggers WHERE trigger_schema='db_name' AND event_object_table='table_name' \G

或

SHOW TRIGGERS FROM db_name LIKE 'table_name' \G

3.查看某个数据库的存储过程或函数 

SELECT * FROM mysql.proc WHERE db='db_name' AND type='function or procedure';  

SELECT * FROM information_schema.routines WHERE routine_schema='db_name' AND routine_type='function or procedure';

或

SHOW PROCEDURE STATUS WHERE db='db_name';

SHOW FUNCTION STATUS WHERE db='db_name';

如：