In ordered indices the file containing the records is sequentially ordered, a ___________ is an index whose search key also defines the sequential order of the file.
A. Clustered index
B. Structured index
C. Unstructured index
D. Nonclustered index
Answer:A
In ordered indices the file containing the records is sequentially ordered, a ___________ is an index whose search key also defines the sequential order of the file.
A. Clustered index B. Structured index C. Unstructured index D. Nonclustered index
Explanation:Clustering index are also called primary indices; the term primary index may appear to denote an index on a primary key, but such indices can in fact be built on any search key. 2. Indices whose search key specifies an order different from the sequential order of the file are called ___________ indices.