zjuwangleicn 2020-04-07
查询数据库中所有表名
show tables; # 也可以 select table_name from information_schema.tables where table_schema=‘xpydw‘ and table_type=‘base table‘;
查询指定数据库中指定表的所有字段名column_name
select column_name from information_schema.columns where table_schema=‘xpydw‘ and table_name=‘users‘