adplus-dvertising
frame-decoration

Question

Which of the following is used to insert a tuple from another relation.

a.

INSERT INTO course (course id, title, dept name, credits)
VALUES (’CS-437’, ’DATABASE Systems’, ’Comp. Sci.’, 4);

b.

INSERT INTO instructor
SELECT ID, name, dept name, 18000
FROM student
WHERE dept name = ’Music’ AND tot cred > 144;

c.

INSERT INTO course VALUES (’CS-437’, ’DATABASE Systems’, ’Comp. Sci.’, 4);

d.

NOT possible

Posted under DBMS

Answer: (b).INSERT INTO instructor
SELECT ID, name, dept name, 18000
FROM student
WHERE dept name = ’Music’ AND tot cred > 144;

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Which of the following is used to insert a tuple from another relation.

Similar Questions

Discover Related MCQs

Q. Which of the following deletes all tuples in the instructor relation for those instructors associated with a department located in the Watson building which is in department relation.

Q. UPDATE instructor
_____ salary= salary * 1.05;

Fill in with correct keyword to update the instructor relation.

Q. _________ are useful in SQL update statements,where they can be used in the set clause.

Q. The problem of ordering the update in multiple update is avoided using

Q. Which of the following is the correct format for case statements.

Q. Which of the following relation updates all instructors with salary over $100,000 receive a 3 percent raise, whereas all others receive a 5 percent raise.

Q. SELECT *
FROM student JOIN takes USING (ID);

The above query is equivalent to

Q. In SQL the statement select * from R, S is equivalent to

Q. For the view Create view instructor_info as

SELECT ID, name, building
FROM instructor, department
WHERE instructor.dept name= department.dept name;

If we insert tuple into the view as insert into instructor info values (’69987’, ’White’, ’Taylor’);

What will be the values of the other attributes in instructor and department relations?

Q. A _________ consists of a sequence of query and/or update statements.

Q. Which of the following makes the transaction permanent in the database ?

Q. In order to undo the work of transaction after last commit which one should be used ?

Q. Consider the following action:

TRANSACTION.....
Commit;
ROLLBACK;

What does Rollback do?

Q. In case of any shut down during transaction before commit which of the following statement is done automatically?

Q. In order to maintain the consistency during transactions database provides

Q. Which of the following is used to get back all the transactions back after rollback ?

Q. ______ will undo all statements up to commit?

Q. Domain constraints, functional dependency and referential integrity are special forms of _________

Q. Create index studentID_index on student(ID);
Here which one denotes the relation for which index is created ?

Q. Values of one type can be converted to another domain using which of the following ?