GaussDB-DUAL
DUAL is automatically created by the database based on the data dictionary and is used to save expression calculation results. It is accessible to all users. This view exists in the PG_CATALOG and SYS schemas.
| Name | Type | Description |
|---|---|---|
| DUMMY | text | Expression calculation result. |
更多详情请参考GaussDB 文档中心:doc.hcs.huawei.com/db/zh-cn/ga…