要做个卖东西网站怎么做海外建站
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’ ;