The Art of SQL Server FILESTREAM - Red Gate Software

Chapter 2: Getting Started with FILESTREAM-- Change the FILESTREAM filegroupALTER TABLE Items SET(FILESTREAM_ON = NorthPole_fs2)-- Add the FILESTREAM column backALTER TABLE ItemsADD [ItemImage] VARBINARY(MAX) FILESTREAM NULLListing 2-28:Changing the FILESTREAM filegroup of a table.Disabling FILESTREAM Storage on a DatabaseDisabling FILESTREAM storage on a database involves removing the FILESTREAMfiles and filegroups from the database. This can be done by using an ALTER DATABASEstatement.If the database contains any tables that use FILESTREAM storage, all references tothe FILESTREAM filegroups must be removed before the FILESTREAM filegroups areremoved. The procedure is summarized below.1. Drop all FILESTREAM columns from all tables using ALTER TABLE.2. Set the FILESTREAM_ON attribute on all the tables to NULL using ALTER TABLE.3. Remove the FILESTREAM file using ALTER DATABASE.4. Remove the FILESTREAM filegroup using ALTER DATABASE.Assume that the NorthPole database has a table with a FILESTREAM column, createdusing Listing 2-7. SQL Server will not allow the FILESTREAM filegroup to be removeduntil all the other steps have been made.86