The query which selects the Course_id ‘CS-101’ from the section relation is
A. Select Course_id from section where Building = ‘Richard’;
B. Select Course_id from section where Year = ‘2009’;
C. Select Course_id from teaches where Building = ‘Packyard’;
D. Select Course_id from section where Sec_id = ‘3’;
Answer:B
The query which selects the Course_id ‘CS-101’ from the section relation is
A. Select Course_id from section where Building = ‘Richard’; B. Select Course_id from section where Year = ‘2009’; C. Select Course_id from teaches where Building = ‘Packyard’; D. Select Course_id from section where Sec_id = ‘3’;