A................ index is one that meets all requested columns in a query without requiring a further lookup into the clustered index.
A. grouped
B. Unclustered
C. Covering
D. B-tree
Answer:C
A................ index is one that meets all requested columns in a query without requiring a further lookup into the clustered index.
A. grouped B. Unclustered C. Covering D. B-tree
Explanation: Covering