PostgreSQL_CE
PGCES-02 · Question #85
Select two correct descriptions about views.
The correct answer is B. A view is a virtual table which does not exist. C. A view is created to simplify complicated queries. See the full explanation below for the reasoning.
Question
Select two correct descriptions about views.
Options
- AA view is created by 'DECLARE VIEW', and deleted by 'DROP VIEW'.
- BA view is a virtual table which does not exist.
- CA view is created to simplify complicated queries.
- DYou can create a view with the same name as already existing tables.
- EA view only exists while the postmaster is running, and is deleted when the postmaster stops.
How the community answered
(21 responses)- A14% (3)
- B71% (15)
- D10% (2)
- E5% (1)
Community Discussion
No community discussion yet for this question.