标签：中英文

Examine the following statement that is used to modify the primary key constraint on the SALES table:   SQL> ALT...

云搜网2025-02-17聚合分类

Which two statements are true about the Automatic Workload Repository (AWR)? (Choose two.)  A. All AWR tables belon...

云搜网2025-02-16聚合分类

Which two operations can be performed on an external table? (Choose two.)   A. Create a view on the table  B. ...

云搜网2025-01-27聚合分类