Mysql 查看表注释或字段注释

查看所有表的注释

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

查询所有表及字段的注释

SELECT

a.table_name 表名,

a.table_comment 表说明,

b.COLUMN_NAME 字段名,

b.column_comment 字段说明,

b.column_type 字段类型,

b.column_key 约束

FROM

information_schema. TABLES a

LEFT JOIN information_schema. COLUMNS b ON a.table_name = b.TABLE_NAME

WHERE

a.table_schema = ‘数据库名’

ORDER BY

a.table_name

查询某表的所有字段的注释

select

COLUMN_NAME 字段名,

column_comment 字段说明,

column_type 字段类型,

column_key 约束 from information_schema.columns

where table_schema = ‘数据库名’

and table_name = ‘表名’ ;