Which of the following rule below are categories of index?
A. Column and Functional
B. Multiple Column and Functional
C. To create an index in another schema
D. None of the Mentioned
Answer:A
Which of the following rule below are categories of index?
A. Column and Functional B. Multiple Column and Functional C. To create an index in another schema D. None of the Mentioned
Explanation: An index is an optional structure, associated with a table or table cluster, that can sometimes speed data access.