FileGroup Class
The FileGroup object represents a SQL Server file group. For more information about file groups, see Using Filegroups and Files to Store Data.
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Microsoft.SqlServer.Management.Smo::SmoObjectBase
Microsoft.SqlServer.Management.Smo::SqlSmoObject
Microsoft.SqlServer.Management.Smo::NamedSmoObject
Microsoft.SqlServer.Management.Smo::FileGroup
| Name | Description | |
|---|---|---|
![]() | FileGroup() | Initializes a new instance of the FileGroup class. |
![]() | FileGroup(Database^, String^) | Initializes a new instance of the FileGroup class on the specified database that has the specified name. |
![]() | FileGroup(Database^, String^, Boolean) | Initializes a new instance of the FileGroup class on the specified database with the specified name. Optionally, enables a FILESTREAM file group to be created. |
![]() | FileGroup(Database^, String^, FileGroupType) | Represents a SQL Server filegroup. |
| Name | Description | |
|---|---|---|
![]() | ExecutionManager | Gets the object to execute to the manager.(Inherited from SqlSmoObject.) |
![]() | FileGroupType | Returns the setting of FileGroupType. |
![]() | Files | |
![]() | ID | Gets the ID value that uniquely identifies the file group. |
![]() | IsDefault | Gets or sets the Boolean value that specifies whether the file group is the default file group for the database. |
![]() | IsFileStream | Gets the Boolean value that specifies whether the file group is of type FILESTREAM. |
![]() | Name | Gets or sets the name of the object.(Inherited from NamedSmoObject.) |
![]() | Parent | Gets or sets the parent Database object of the FileGroup object. |
![]() | Properties | Gets a collection of Property objects that represent the object properties.(Inherited from SqlSmoObject.) |
![]() | ReadOnly | Gets the Boolean value that specifies whether the file group is read-only. |
![]() | Size | Gets or sets the size of the file group in KB. |
![]() | State | Gets the state of the referenced object.(Inherited from SmoObjectBase.) |
![]() | Urn | Gets the Uniform Resource Name (URN) address value that uniquely identifies the object.(Inherited from SqlSmoObject.) |
![]() | UserData | Gets or sets user-defined data associated with the referenced object.(Inherited from SmoObjectBase.) |
| Name | Description | |
|---|---|---|
![]() | Alter() | Updates any property changes to the FileGroup object on the instance of SQL Server. |
![]() | CheckFileGroup() | Scans and tests the integrity of database pages maintained in operating system files that implement the file group. |
![]() | CheckFileGroupDataOnly() | Scans and tests the integrity of database pages that are used to maintain table data in operating system files that implement the file group. |
![]() | Create() | Creates a new file group based on the FileGroup object. |
![]() | Discover() | Discovers a list of type Object.(Inherited from SqlSmoObject.) |
![]() | Drop() | Drops the file group from the database. |
![]() | EnumObjects() | Enumerates the system and user-defined tables, indexes, and statistics mechanisms stored within a file group. |
![]() | Equals(Object^) | (Inherited from Object.) |
![]() | FormatSqlVariant(Object^) | Formats an object as T: Microsoft.Data.Schema.Sql.DataGenerator.SqlVariant type.(Inherited from SqlSmoObject.) |
![]() | GetContextDB() | Gets the context database that is associated with this object.(Inherited from SqlSmoObject.) |
![]() | GetDBName() | Gets the database name that is associated with the object.(Inherited from SqlSmoObject.) |
![]() | GetHashCode() | (Inherited from Object.) |
![]() | GetPropValue(String^) | Gets a property value of the SqlSmoObject object.(Inherited from SqlSmoObject.) |
![]() | GetPropValueOptional(String^) | Gets a property value of the SqlSmoObject object.(Inherited from SqlSmoObject.) |
![]() | GetPropValueOptionalAllowNull(String^) | Gets a property value of the SqlSmoObject object.(Inherited from SqlSmoObject.) |
![]() | GetServerObject() | Gets the server of the SqlSmoObject object.(Inherited from SqlSmoObject.) |
![]() | GetType() | (Inherited from Object.) |
![]() | Initialize() | Initializes the object and forces the properties be loaded.(Inherited from SqlSmoObject.) |
![]() | Initialize(Boolean) | Initializes the object and forces the properties be loaded.(Inherited from SqlSmoObject.) |
![]() | IsObjectInitialized() | Verifies whether the object has been initialized.(Inherited from SqlSmoObject.) |
![]() | IsObjectInSpace() | Verifies whether the object is isolated or connected to the instance of SQL Server.(Inherited from SqlSmoObject.) |
![]() | IsSupportedProperty(String^) | Determines whether the specified property is supported in the target .NET Framework.(Inherited from SqlSmoObject.) |
![]() | MarkForDrop(Boolean) | |
![]() | Refresh() | Refreshes the object and retrieves properties when the object is next accessed.(Inherited from SqlSmoObject.) |
![]() | Rename(String^) | Renames the file group. |
![]() | SetParentImpl(SqlSmoObject^) | Sets the parent of the SqlSmoObject to the newParent parameter.(Inherited from SqlSmoObject.) |
![]() | ToString() | Returns a String that represents the referenced object.(Inherited from SqlSmoObject.) |
![]() | Validate(String^, array<Object^>^) | Validates the state of an object.(Inherited from SmoObjectBase.) |
| Name | Description | |
|---|---|---|
![]() | PropertyChanged | Represents the event that occurs when a property is changed.(Inherited from SqlSmoObject.) |
![]() | PropertyMetadataChanged | Represents the event that occurs when property metadata changes.(Inherited from SqlSmoObject.) |
| Name | Description | |
|---|---|---|
![]() ![]() | IAlienObject::Discover() | Discovers any dependencies. Do not reference this member directly in your code. It supports the SQL Server infrastructure.(Inherited from SqlSmoObject.) |
![]() ![]() | IAlienObject::GetDomainRoot() | Returns the root of the domain.(Inherited from SqlSmoObject.) |
![]() ![]() | IAlienObject::GetParent() | Gets the parent of this object. Do not reference this member directly in your code. It supports the SQL Server infrastructure.(Inherited from SqlSmoObject.) |
![]() ![]() | IAlienObject::GetPropertyType(String^) | Gets the type of the specified property.(Inherited from SqlSmoObject.) |
![]() ![]() | IAlienObject::GetPropertyValue(String^, Type^) | Gets the value of the specified property.(Inherited from SqlSmoObject.) |
![]() ![]() | IAlienObject::GetUrn() | Gets the Unified Resource Name (URN) of the object. Do not reference this member directly in your code. It supports the SQL Server infrastructure.(Inherited from SqlSmoObject.) |
![]() ![]() | IAlienObject::Resolve(String^) | Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object.(Inherited from SqlSmoObject.) |
![]() ![]() | IAlienObject::SetObjectState(SfcObjectState) | Sets the object state to the specified SfcObjectState value.(Inherited from SqlSmoObject.) |
![]() ![]() | IAlienObject::SetPropertyValue(String^, Type^, Object^) | Sets the property value.(Inherited from SqlSmoObject.) |
![]() ![]() | ISfcPropertyProvider::GetPropertySet() | Gets the interface reference to the set of properties of this object. Do not reference this member directly in your code. It supports the SQL Server infrastructure.(Inherited from SqlSmoObject.) |
![]() ![]() | ISfcSupportsDesignMode::IsDesignMode | Gets a value that indicates whether the object supports design mode. |
To get FileGroup object properties, users can be a member of the public fixed server role.
To set FileGroup object properties, users must have ALTER permission on the database or be a member of the db_owner fixed database role.
To create a file group, users must have ALTER permission on the database or be a member of the db_owner fixed database role.
To drop a file group, users must have ALTER permission on the database or be a member of the db_owner fixed database role.
To run CheckFileGroup and CheckFileGroupDataOnly methods, users must be a member of the db_owner fixed database role or the sysadmin fixed server role.
Any public static (Shared in Microsoft Visual Basic) members of this type are safe for multithreaded operations. Any instance members are not guaranteed to be thread safe.
Any public static ( Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Microsoft.SqlServer.Management.Smo Namespace
ALTER TABLE (Transact-SQL)
Using Files and Filegroups
CREATE TABLE (Transact-SQL)






