Consider the relation department:
| dept_name | building | budget |
| Biology | A | 90000 |
| Computer Science | B | 100000 |
| Electrical Engineering | B | 85000 |
| Finance | C | 120000 |
| History | C | 50000 |
| Music | D | 80000 |
| Physics | A | 70000 |
How many tuples are returned by the following query?
select dept_name from
department
where building like ’%A%’;
1
1
2
2
3
3
4
4
5
5