Oracle Database: DBMS_SCHEDULER and SQL
Casual Mode - Take your time!
1 / 20
Correct
0
Incorrect
0
Score
0%
Multiple Answers
Which two of the following statements are true?
- A view can be created before creating the base table
- A view cannot be created before creating the base table
- A view will become invalid if the base table's column referred to in the view is altered
- A view will become invalid if any column in the base table is altered