You attempt to query the data base with this command:
SELECT name, salary FROM employee WHERE salary=(SELECT
salary FROM employee WHERE last name='Wagner' OR dept no=233)
Choose most appropriate option from the following:
1)Sub-queries are not allowed in the where clause.
2)a multiple row sub-query used with a single row comparison
operator.
3)a single row query is used with a multiple row comparison
operator.
Answer Posted / r
option b is correct...
| Is This Answer Correct ? | 11 Yes | 2 No |
Post New Answer View All Answers
what is the drawback of classical methods in oops?
What do you mean by abstraction?
What is difference between pop and oop?
What language is oop?
Is this job good for future? can do this job post grduate student?
Can an interface inherit a class?
Is oop better than procedural?
What does oop mean in snapchat?
Why is abstraction needed?
What is property in oops?
Can you inherit a private class?
What is difference between oop and pop?
What is the advantage of oop over procedural language?
What type of loop is a for loop?
Can main method override?