You administer a Microsoft SQL Server 2012 database that contains a table named OrderDetail.

You discover that the NCI_OrderDetail_Custom

erID non-clustered index is fragmented.

You need to reduce fragmentation. You need to achieve this goal without taking the index offline.

Which Transact-SQL batch should you use?

A. CREATE INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID WITH

DROP EXISTING

B. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REORGANIZE

C. ALTER INDEX ALL ON OrderDetail REBUILD

D. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID

REBUILD

Reference: