Index structures are referred to as ____________, since they provide a path through which data can be located and accessed.
A. Index Search
B. Linear search
C. File scan
D. Access paths
Answer:A
Index structures are referred to as ____________, since they provide a path through which data can be located and accessed.
A. Index Search B. Linear search C. File scan D. Access paths
Explanation: A primary index is an index that allows the records of a file to be read in an order that corresponds to the physical order in the file.