file group

However, the filegroup can be different from that of the corresponding tables or other corresponding indexes.

Specifies the name of a logical file or filegroup or page to include in a RESTORE DATABASE or RESTORE LOG statement.

The NEXT USED filegroup will receive an additional partition if one is created in an ALTER PARTITION FUNCTION statement.

However, transaction log files cannot be part of a filegroup; they are separate from one another.

Allocation for the system objects and tables remains within the PRIMARY filegroup, not the new default filegroup.

Adds a filegroup to a partition scheme or alters the designation of the NEXT USED filegroup for the partition scheme.

If filegroup is not specified, the new catalog will be part of the default filegroup used for all full-text catalogs.

The files in the default filegroup must be large enough to hold any new objects not allocated to other filegroups.

If SORT_IN_TEMPDB is set to OFF, the available free disk space in the destination filegroup must be roughly the size of the final index.

When adding a partition, a filegroup must exist and be marked with the NEXT USED property to hold the new partition.

The state of a filegroup is determined by the files it contains: unless all files are online, the entire filegroup is offline.

During an online file restore, the filegroup to which a file is being restored is taken offline.

Is the name of the filegroup in the current database for which to check table allocation and structural integrity.

A restore of only a part of a database that consists of its primary filegroup and, perhaps, one or more secondary filegroups.

File restore is available only if the database has at least one read-only filegroup.

Corrected technical error to clarify that you cannot bring a filegroup online when a database snapshot exists.

Of every table and indexed view in the filegroup.

If a filegroup is offline, any try to access the filegroup by an SQL statement will fail with an error.

Under the simple recovery model, this backup type is available only for a database with a read-only filegroup.

A differential partial backup of a read-only database contains only the primary filegroup.

Specifies the filegroup to which to add the specified file.

Restore matches the name given against the file or filegroup names in the backup.

Catalogs in a filegroup are treated like files, and their physical locations are indicated by the path in sys. Master_files.

Adds a data file to a filegroup when recovery cannot complete on a database due to insufficient space on the file group (error 1105).

You can modify a partition scheme by designating a filegroup to hold the next partition that is added to a partitioned table.

To avoid this situation, before you make the filegroup read-only, switch the database to the full recovery model and back up the log.

The data of partitioned tables and indexes is divided into units each of which can be placed in a separate filegroup in a database.

Additionally, files and filegroups enable data placement, because a table can be created in a specific filegroup.

The state of the files within a filegroup determines the availability of the whole filegroup.

A partial backup of a read-only database contains only the primary filegroup.

The state of the files in a filegroup determines the availability of the whole filegroup.

The data of partitioned tables and indexes is divided into units that can be spread across more than one filegroup in a database.

In a partition scheme, only one filegroup can be designated NEXT USED.

Finally, this section discusses factors to consider when choosing a recovery strategy, including database size or filegroup structure.

A database is considered to be online whenever the primary filegroup is online, even if one or more of its secondary filegroups are offline.

Log sequence number at which the filegroup containing the file changed from read-write to read-only (the most recent change).

the filegroup cannot be removed unless it is empty . remove all files from the filegroup first . for more information , see " remove file" .

The partial restore sequence restores the primary filegroup and, optionally, some of the secondary filegroups.

Filegroup cannot be specified on a database snapshot.

However, if the offline filegroup contains the heap or clustered index of the target table, the SELECT statements fail.

The filegroup or partitioning information of the user table is applied to the XML index.

Additionally, by putting the full-text catalogs in a secondary filegroup, you can restore an online full-text catalog.

Validation operations on a database, table, index, catalog, filegroup, or allocation of database pages.

Specifies the filegroup to be marked by the partition scheme as NEXT USED.

When you delete a filegroup from a database project, you also delete any files that were associated with that filegroup.

Discusses how restore handles a changed name and a reused file or filegroup name.

If the filegroup containing the page is read-only, applying log backups is unnecessary and is skipped.

There must be sufficient free space in the destination filegroup to store the final index structure.

This includes any files added to the filegroup since the backup was taken.

Any attempt to access an offline filegroup causes an error.

To view the current state of a filegroup, use the sys. Filegroups catalog view.

Unable to process index I_NAME of table O_NAME because filegroup F_NAME is invalid.

If no location is specified and the table is not partitioned, the resulting table is included in the same filegroup as the clustered index.

Is the filegroup identification (ID) number in the current database for which to check table allocation and structural integrity.

If no location is specified and the table or view is not partitioned, the index uses the same filegroup as the underlying table or view.

This data space is used when a filegroup or partition scheme is not specified in a CREATE TABLE or CREATE INDEX statement.

Describes a basic event class, containing a name, fields, and a filegroup, with links to topics that describe how to create one.

Checks the allocation and structural integrity of all tables and indexed views in the specified filegroup of the current database.

To create a backup copy of a database, filegroup, file, or transaction log.

We recommend that you store table data and any affiliated full-text catalogs in the same filegroup.

Clause effectively moves a table from the filegroup on which the table was created to the new partition scheme or filegroup.

If you specify a filegroup during restore, the restore encompasses the whole filegroup as it currently exists.

This lets you do filegroup backup-and-restore operations of full-text catalogs independent of the data and log files.

Provides a drop-down list from which you can choose the filegroup for columns that have text or image data types.

After the updates are finished, you can protect the new data by backing up the filegroup.

When the first file is full and no more data can be written to the filegroup, the second file is expanded.

If filegroup_name is specified and there currently is no filegroup marked NEXT USED, filegroup_name is marked NEXT USED.

Differential file and filegroup backups also can be restored.

If MOVE TO is not specified, the table will be located in the same partition scheme or filegroup as was defined for the clustered index.

Index type, filegroup or partition scheme id, and the current setting of index options that are stored in metadata.

Index options and index location, filegroup or partition scheme, can also be specified.

Files in the primary filegroup are always online if the database itself is online.

Transactions that were deferred because the filegroup was offline are moved out of the deferred state after the filegroup becomes defunct.

The defunct filegroup can never be restored to this database, but its metadata remains.

That has two files, one secondary filegroup, and one transaction log. The database uses the full recovery model.

Modify a partition scheme to designate a filegroup to hold a newly-added partition.

You cannot bring a filegroup online in a database that has any database snapshots.

Log sequence number at which the filegroup containing the file changed from read-only to read-write (the most recent change).

You can specify either a partition scheme or filegroup as the new location, but the partition scheme or filegroup must already exist.

Specifies a filegroup as the location for the resulting table.

To back up only the filegroup that stores multiple full-text catalogs, specify the FILEGROUP clause in the BACKUP command.

When SORT_IN_TEMPDB is set to OFF, the default, the sort runs are stored in the destination filegroup.

Specifies a partial restore operation that restores the primary filegroup and any specified secondary filegroup(s) .

If a filegroup is offline and you try to access the filegroup by a Transact-SQL statement, it will fail with an error.

Expands to show properties for (Data Space Type), Filegroup or Partition Scheme Name, and Partition Column List.

For information about how to specify a NEXT USED filegroup in a partition scheme, see Modifying a Partition Scheme later in this topic.

ID of the filegroup in which this allocation unit resides.

Contains information about how to determine the state of a file or filegroup that is not online and how to bring it online.

When space in all the files in the filegroup is exhausted, only the first file is expanded.

The primary filegroup cannot be made read-only.

When the keyword ALL is specified and one or more indexes are in an offline or read-only filegroup, the statement fails.

In this case, all their pages will be allocated in that filegroup, or the tables and indexes can be partitioned.

You request a full database backup, but one filegroup of the database is offline.

A file can be a member of only one filegroup.

Describes the core notification properties of name and filegroup, and how to set these properties.

The table is always put in the primary filegroup.

Any corresponding indexes, or index partitions, must also reside in the same filegroup.

The corresponding indexes, or index partitions, must also reside in the same filegroup.

When a table or index is created without specifying a filegroup, it is assumed all pages will be allocated from the default filegroup.

Note that under the simple recovery model, the file must belong to a read-only filegroup.

If filegroup_name is not specified, and there are no filegroups marked NEXT USED, ALTER PARTITION SCHEME returns a warning.

Filegroups use a proportional fill strategy across all the files within each filegroup.

Specifies a partial backup, which includes the primary filegroup and any read-write secondary filegroups.

Setting the database or primary filegroup to READ_ONLY.

This filegroup contains the primary data file and any secondary files that are not put into other filegroups.

This includes files restored indirectly by filegroup name.

You can also specify any read-only file or filegroup to include it in a partial backup.

OFFLINE Sets the file offline and makes all objects in the filegroup inaccessible.

If [PRIMARY] is specified, the partition is stored on the primary filegroup.

Selecting this option moves all data from the specified file to other files in the filegroup.

The DBCC CHECKFILEGROUP command validates objects only in the specified filegroup.

You can specify the database name, schema name, filegroups, log files, default filegroup, and collation.

A file or filegroup cannot be used by more than one database.

If all the partitions map to the same filegroup, use the ALL keyword.

When objects are created in the database without specifying which filegroup they belong to, they are assigned to the default filegroup.

To restore file and filegroup backups of full-text catalogs, specify the FILE or FILEGROUP clause in the RESTORE command.

Shows whether this table is stored using a filegroup or partition scheme.

The following example restores a database named MyDatabase that has two files, one secondary filegroup, and one transaction log.

Because the MOVE TO option was not specified, the resulting table is stored in the same filegroup as the index.

Creates the specified index on the specified filegroup.

Name of the filegroup containing a backed up database file.

When no filegroup is specified, the queue uses the default filegroup for the database.

In the following example, an extended property is added to the PRIMARY filegroup.

Creates the specified index on the default filegroup.

Indicates that an entire filegroup is being restored.

Nonclustered indexes not resident on the specified filegroup are not checked.

If partition function myRangePF4 is changed to add a partition, filegroup test5fg receives the newly created partition.

If the third file becomes full and no more data can be written to the filegroup, the first file is expanded again, and so on.

This means that every file in a filegroup should have a similar percentage of space used.

The database then uses the current log to roll the filegroup forward.

Updates are enabled for the objects in the filegroup.

Explains file and filegroup concepts.

Both the sort runs and the new index pages are built in the destination filegroup.

No disk space is available in a filegroup.

Restores a file or filegroup in a multi-filegroup database.

The IsReadOnly property is set on a filegroup, not individual files.

We recommend that full-text catalogs be put on a secondary filegroup.

Name of the filegroup that contains the file.

The filegroup that contains the primary file.

Data space is either a filegroup or partition scheme.

Add, modify, or remove a filegroup from the database.

Names a filegroup to include in the database restore.

This discussion does not apply to regular indexes on a table in a filegroup that is not yet online.

Under the Simple Recovery Model, file and filegroup backups are available only for read-only filegroups.

A nonpartitioned clustered index and the base table always reside in the same filegroup.

Filegroup in which the file belongs.

If a full-text query is tried when the filegroup that contains the full-text category is offline, an error is returned.

Describes how to define full-text catalogs on a particular filegroup.

Is the logical name of the filegroup.

Specifies the filegroup is read-only.

A read-only filegroup may not require log backups if a data or differential backup was taken after the filegroup became read-only.

If filegroup is specified, the index is created in the named filegroup.

This is similar to the renaming of a file or filegroup.

To resolve the errors, you must either re-create the filegroup or modify those object definitions to associate them with another filegroup.

The following example assumes the partition scheme MyRangePS1 and the filegroup test5fg exist in the current database.

XML indexes use the same filegroup as the table.

However, if Table_A is scanned by the query but Index_A is not referenced, only filegroup f1 is used.

Specifies the SQL Server filegroup on which to create this queue.

This means the filegroup will accept a new partition that is created by using an ALTER PARTITION FUNCTION statement.

You must specify FileGroup(s) or File(s) for Backup or Restore.

To restore a secondary filegroup, you must explicitly specify the filegroup using the FILE option or FILEGROUP option.

Under the full recovery model, differential file backups are allowed on any filegroup for which you have a differential base.

In earlier versions of SQL Server, the nonclustered index and the base table in the other filegroup are checked.

For example, a filegroup is made up of three files, all set to automatically grow.

The Database Engine allocates extents from those available in the filegroup using a proportional allocation algorithm.

Determining the Next Step for Recovery of a File or Filegroup

How Restore Handles a Reused File or Filegroup Name

To create a new index on a specific filegroup

File and Filegroup Fill Strategy

Remove the filegroup by using the following ALTER DATABASE statement