VIEWS
VIEWS 表提供了当前用户可见的视图(View)列表。
DESC TABLE INFORMATION_SCHEMA.VIEWS;
+----------------------+---------+------+------+---------+---------------+
| Column               | Type    | Key  | Null | Default | Semantic Type |
+----------------------+---------+------+------+---------+---------------+
| table_catalog        | String  |      | NO   |         | FIELD         |
| table_schema         | String  |      | NO   |         | FIELD         |
| table_name           | String  |      | NO   |         | FIELD         |
| view_definition      | String  |      | NO   |         | FIELD         |
| check_option         | String  |      | YES  |         | FIELD         |
| is_updatable         | Boolean |      | YES  |         | FIELD         |
| definer              | String  |      | YES  |         | FIELD         |
| security_type        | String  |      | YES  |         | FIELD         |
| character_set_client | String  |      | YES  |         | FIELD         |
| collation_connection | String  |      | YES  |         | FIELD         |
+----------------------+---------+------+------+---------+---------------+
表中的列:
table_catalog: 视图所属 catalog 的名称。table_schema: 视图所属数据库的名称。table_name: 视图名称。view_definition: 视图的定义,即创建视图时的SELECT语句。check_option: 不支持,始终为NULL。is_updatable: 视图是否可以进行UPDATE/INSERT/DELETE操作,始终为NO。definer: 创建视图的用户的名称。security_type: 不支持,始终为NULL。character_set_client: 创建视图时character_set_client会话变量的值,始终为utf8。collation_connection: 创建视图时collation_connection会话变量的值,始终为utf8_bin。