摘要:
约束语法 CREATE [ CONSTRAINT ] TRIGGER name { BEFORE | AFTER | INSTEAD OF } { event [ OR ... ] } ON table_name [ FROM referenced_table_name ] [ NOT DEFERR 阅读全文
摘要:
平时查询一些系统表或视图,可以使用字段名或者表名进行模糊查询 根据表或视图关键字查询 select table_catalog,table_schema,table_name,table_type from information_schema.tables where table_type in 阅读全文
摘要:
相关参数说明 innodb_large_prefix Command-Line Format --innodb-large-prefix=ON Deprecated Yes System Variable innodb_large_prefix Scope Global Dynamic Yes Ty 阅读全文