mysql中查詢表和字段註釋

查看全部表的註釋

SQL:

SELECT table_name 表名,table_comment 表說明 FROM information_schema.TABLES WHERE table_schema = 'moneta' ORDER BY table_name

結果:

MySQL [moneta]> SELECT table_name 表名,table_comment 表說明 FROM information_schema.TABLES WHERE table_schema = 'moneta' ORDER BY table_name;
+--------------------+--------------------------+
| 表名               | 表說明                   |
+--------------------+--------------------------+
| biz_rule           | 業務規則表               |
| biz_rule_action    | 業務規則動做表           |
| biz_rule_condition | 業務規則條件表           |
| buyer_tag          | 買家標籤表               |
| query              | 用戶query表              |
| store_rule_group   | 店鋪業務規則組表         |
+--------------------+--------------------------+
6 rows in set (0.00 sec)

查詢某表字段註釋

SQL:

select  COLUMN_NAME 字段名, column_comment 字段說明, column_type 字段類型,column_key 約束 from information_schema.columns 
where table_schema = 'moneta' and table_name = 'query';

MySQL [moneta]> select  COLUMN_NAME 字段名, column_comment 字段說明, column_type 字段類型,column_key 約束 from information_schema.columns
    -> where table_schema = 'moneta' and table_name = 'query';
+----------------+--------------+------------------+--------+
| 字段名         | 字段說明     | 字段類型         | 約束   |
+----------------+--------------+------------------+--------+
| id             | 主鍵         | int(10) unsigned | PRI    |
| store_id       | 店鋪id       | int(11)          | MUL    |
| buyer_nick     | 買家暱稱     | varchar(128)     | MUL    |
| assistant_nick | 客服暱稱     | varchar(64)      |        |
| query          | query內容    | text             |        |
| query_time     | query時間    | datetime         | MUL    |
| create_time    | 建立時間     | datetime         |        |
| update_time    | 修改時間     | datetime         |        |
+----------------+--------------+------------------+--------+
8 rows in set (0.00 sec)