试题详情
- 单项选择题What is necessary for your query on an existing view to execute successfully? （）
A、The underlying tables must have data.
B、You need SELECT privileges on the view.
C、The underlying tables must be in the same schema.
D、You need SELECT privileges only on the underlying tables.
关注下方微信公众号，在线模考后查看
热门试题
- Which SQL statement
- The CUSTOMERS table
- In which scenario wo
- The DBA issues this
- The STUDENT_GRADES
- The EMPLOYEES table
- Which SELECT stateme
- The user Sue issues
- You would like to di
- A data manipulation
- You need to display
- Which four statement
- You need to create
- Examine the structu
- Examine the structu
- What are two reasons
- Evaluate this SQL s
- You need to perform
- Which statement adds
- What is true of usin