Which Transact-SQL statement should you execute?

You administer a SQL Server 2008 instance that contains a database named SpatialDB. The
SpatialDB database includes spatial data types.
You need to perform a database consistency check on SpatialDB to include the spatial
indexes. You also need to ensure that the effect on the database concurrency is minimized.
Which Transact-SQL statement should you execute?

A.
DBCC CHECKCATALOG (SpatialDB);

B.
DBCC CHECKALLOC (SpatialDB) WITH TABLOCK;