1) A multi-level Index is an index that points to other indexes, also known as a _____________

2) In relational notation t[A_n] means _______

3) What are the rules that guarantee we have a balanced index? __________, ____________

4) A clustering index is one entry for each distinct value in the domain of the field being indexed. (TRUE / FALSE)

5) A primary index is a physical index. (TRUE/ FALSE)

6) A primary index has one index entry for each record. (TRUE/ FALSE)

7) A secondary index is an ordered multilevel dense index. (TRUE/ FALSE)

8) When we use multi-level ordered indexes, we narrow the search for a certain record by what factor at each level? __________________

9)

In English, what does this constraint mean? FRUIT.Type:

This is Database System Concept class, please simplify your answer.