You administer a Microsoft SQL Server 2016 database that contains a table named OrderDetail. You discover that the NCI_OrderDetail_CustomerID nonclustered 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