Question 3 of 6 Sulbe Databases Topic: B+ Trees Time Remaining: 35 minutes INSERT INTO R set a-ox.bny true false - this statement would be quicker if R did have an index on b true false - il R has indeves on a and b, this statement would be slower then with just one index true false - if b is a key tield, this statement could insert many tuples true false - this statement may update many tuples Record