Question: Course: Database Management Systems Consider the following SQL Query: SELECT FNAME, DNAME FROM EMP ASN E, DEPT AS D WHERE E.DNO = D.DNUMBER AND D.DNAME

Course: Database Management Systems

Consider the following SQL Query:

SELECT FNAME, DNAME

FROM EMP ASN E, DEPT AS D

WHERE E.DNO = D.DNUMBER AND D.DNAME =CCI AND SALARY > 15000;

Draw the initial query tree for the above SQL query, and then show how

the query tree is optimized by applying the Heuristic Rules. (You need to show the tree after applying a rule).

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!