📚 Practice Mode
Oracle Database: DBMS_SCHEDULER and SQL
Learn at your own pace with hints and detailed explanations
1 / 20
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