Which of the following command is correct to delete the values in the relation teaches?
A. Delete from teaches;
B. Delete from teaches where Id =’Null’;
C. Remove table teaches;
D. Drop table teaches;
Answer:A
Which of the following command is correct to delete the values in the relation teaches?
A. Delete from teaches; B. Delete from teaches where Id =’Null’; C. Remove table teaches; D. Drop table teaches;