Q. What does the following query do?
select name, ID, branch

from student, department

where student.branch = department.branch;

View solution

Q. The ________ clause is used to list the attributes desired in the result of a query

View solution

Q. If we specify multiple relations in the from clause and do not specify any conditions in the where clause, what will the result be?

View solution

Q. State true or false: Multiple conditions in the where clause are separated by a “,”

View solution

Q. What does the natural join operation do?

View solution

Q. Observe the following query and choose the correct option.
select name, ID

from student natural join department natural join section

View solution

Q. Which keyword is used to rename a relation in a query?

View solution

Q. While operating with strings, what does “_ _ _%” match with?

View solution

Q. What is the function of the union operation?

View solution

Q. What is the function of the intersect operation?

View solution

Q. What is the function of the except operation?

View solution

Q. When does the predicate is null succeed?

View solution

Q. Using the _______ clause retains only one copy of identical tuples

View solution

Q. Which of the following correctly describes the between predicate in the where clause?

View solution

Q. Which of the following is not a built in aggregate function in SQL?

View solution

Q. State true or false: SQL does not permit distinct with count(*)

View solution

Q. We apply the aggregate function to a group of sets of tuples using the _______ clause.

View solution

Q. The _____ aggregation operation adds up all the values of the attribute

View solution

Q. State true or false: Any attribute which is present in the having clause without being aggregated must not be present in the group by clause.

View solution

Q. State true or false: We can rename the resulting attribute after the aggregation function has been applied

View solution