Exam DISC-DA Practice Question 15
Study guide: Exam DISC-DA
A policy table has 10 rows: 6 with state = 'NY', 3 with state = 'NJ' and 1 whose state is NULL. How many rows does this query count?
SELECT COUNT(*) FROM policy WHERE state <> 'NY';
- A) 3
- B) 4
- C) 6
- D) 10
Answer this question and see the worked solution