查询数据库中所有的表名
select table_name from information_schema.tables where table_schema='当前数据库'
mysql 查询所有表结构
select
*
FROM INFORMATION_SCHEMA.COLUMNS
where table_name = 'app_api'
查询某个数据库中的某个表的所有字段信息及备注
select * from information_schema.columns
where table_schema = 'nocode' #表所在数据库
and table_name = 'man' ; #你要查的表
查询所有表注释
SELECT
table_name 表名,
table_comment 表说明
FROM
information_schema.TABLES
WHERE
table_schema = '数据库名'
ORDER BY
table_name
查询指定表的信息备注
select *
from tables
where table_schema = 'nocode'
and table_name = 'man';