mysql 查看錶詳細信息

查看建表語句

show create table ${table_name}

mysql> show create table user;
+-------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
+-------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| user  | CREATE TABLE `user` (
  `id` bigint(64) NOT NULL,
  `biz_account_id` varchar(64) COLLATE utf8mb4_bin NOT NULL COMMENT 'BIZID',
  `access_key` varchar(20) COLLATE utf8mb4_bin NOT NULL,
  `access_secret` varchar(32) COLLATE utf8mb4_bin NOT NULL,
  `api_invoke_times` int(8) NOT NULL DEFAULT '0' COMMENT 'API invoke',
  `api_total_times` int(8) NOT NULL DEFAULT '0' COMMENT 'API total',
  `created_at` datetime DEFAULT CURRENT_TIMESTAMP,
  `updated_at` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE KEY `uq_biz_id` (`biz_account_id`) USING HASH,
  UNIQUE KEY `uq_access_key_secret` (`access_key`,`access_secret`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin |
+-------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.01 sec)

查看字段信息

desc ${table_name}

mysql> desc user;
+------------------+-------------+------+-----+-------------------+-----------------------------+
| Field            | Type        | Null | Key | Default           | Extra                       |
+------------------+-------------+------+-----+-------------------+-----------------------------+
| id               | bigint(64)  | NO   | PRI | NULL              |                             |
| biz_account_id   | varchar(64) | NO   | UNI | NULL              |                             |
| access_key       | varchar(20) | NO   | MUL | NULL              |                             |
| access_secret    | varchar(32) | NO   |     | NULL              |                             |
| api_invoke_times | int(8)      | NO   |     | 0                 |                             |
| api_total_times  | int(8)      | NO   |     | 0                 |                             |
| created_at       | datetime    | YES  |     | CURRENT_TIMESTAMP |                             |
| updated_at       | datetime    | YES  |     | CURRENT_TIMESTAMP | on update CURRENT_TIMESTAMP |
+------------------+-------------+------+-----+-------------------+-----------------------------+
8 rows in set (0.01 sec)