Explanation: Nonclustering index are also called secondary indices. 3. An ____________, consists of a search-key value and pointers to one or more records with that value as their search-key value.
A. Index entry
B. Index hash
C. Index cluster
D. Index map
Answer:A
Explanation: Nonclustering index are also called secondary indices. 3. An ____________, consists of a search-key value and pointers to one or more records with that value as their search-key value.
A. Index entry B. Index hash C. Index cluster D. Index map
Explanation:The pointer to a record consists of the identifier of a disk block and an offset within the disk block to identify the record within the block. 4. In a _______ clustering index, the index record contains the search-key value and a pointer to the first data record with that search-key value and the rest of the records will be in the sequential pointers.