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Rowset Properties and Behaviors

These are the SQL Server Native Client OLE DB provider rowset properties.

Property ID

Description

DBPROP_ABORTPRESERVE

R/W: Read/write

Default: VARIANT_FALSE

Description: The behavior of a rowset after an abort operation is determined by this property.

VARIANT_FALSE: The SQL Server Native Client OLE DB provider invalidates rowsets after an abort operation. Functionality of the rowset object is almost lost. It supports only IUnknown operations and the release of outstanding row and accessor handles.

VARIANT_TRUE: The SQL Server Native Client OLE DB provider maintains a valid rowset.

DBPROP_ACCESSORDER

R/W: Read/write

Default: DBPROPVAL_AO_RANDOM

Description: Access order. Order in which columns must be accessed on the rowset.

DBPROPVAL_AO_RANDOM: Column can be accessed in any order.

DBPROPVAL_AO_SEQUENTIALSTORAGEOBJECTS: Columns bound as storage objects can only be accessed in sequential order determined by the column ordinal.

DBPROPVAL_AO_SEQUENTIAL: All columns must be accessed in sequential order determined by column ordinal.

DBPROP_APPENDONLY

This rowset property is not implemented by the SQL Server Native Client OLE DB provider. Trying to read or write the property value generates an error.

DBPROP_BLOCKINGSTORAGEOBJECTS

R/W: Read-only

Default: VARIANT_TRUE

Description: The SQL Server Native Client OLE DB provider storage objects block using other rowset methods.

DBPROP_BOOKMARKS DBPROP_LITERALBOOKMARKS

R/W: Read/write

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider supports bookmarks for rowset row identification when DBPROP_BOOKMARKS or DBPROP_LITERALBOOKMARKS is VARIANT_TRUE.

Setting either property to VARIANT_TRUE does not enable rowset positioning by bookmark. Set DBPROP_IRowsetLocate or DBPROP_IRowsetScroll to VARIANT_TRUE to create a rowset supporting rowset positioning by bookmark.

The SQL Server Native Client OLE DB provider uses a Microsoft SQL Server cursor to support a rowset that contains bookmarks. For more information, see Rowsets and SQL Server Cursors.

Note Note

Setting these properties in conflict with other SQL Server Native Client OLE DB provider cursor-defining properties causes an error. For example, setting the DBPROP_BOOKMARKS to VARIANT_TRUE when DBPROP_OTHERINSERT is also VARIANT_TRUE generates an error when the consumer tries to open a rowset.

DBPROP_BOOKMARKSKIPPED

R/W: Read-only

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider returns DB_E_BADBOOKMARK if the consumer indicates an invalid bookmark when positioning or searching a bookmarked rowset.

DBPROP_BOOKMARKTYPE

R/W: Read-only

Default: DBPROPVAL_BMK_NUMERIC

Description: The SQL Server Native Client OLE DB provider implements numeric bookmarks only. A SQL Server Native Client OLE DB provider bookmark is 32-bit unsigned integer, type DBTYPE_UI4.

DBPROP_CACHEDEFERRED

This rowset property is not implemented by the SQL Server Native Client OLE DB provider. Trying to read or write the property value generates an error.

DBPROP_CANFETCHBACKWARDS DBPROP_CANSCROLLBACKWARDS

R/W: Read/write

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider supports backward fetching and scrolling in nonsequential rowsets. The SQL Server Native Client OLE DB provider creates a cursor-supported rowset when either DBPROP_CANFETCHBACKWARDS or DBPROP_CANSCROLLBACKWARDS is VARIANT_TRUE. For more information, see Rowsets and SQL Server Cursors.

DBPROP_CANHOLDROWS

R/W: Read/write

Default: VARIANT_FALSE

Description: By default, the SQL Server Native Client OLE DB provider returns DB_E_ROWSNOTRELEASED if the consumer tries to obtain more rows for a rowset while pending changes exist on those currently in the rowset. This behavior can be modified.

Setting both DBPROP_CANHOLDROWS and DBPROP_IRowsetChange to VARIANT_TRUE implies a bookmarked rowset. If both properties are VARIANT_TRUE, the IRowsetLocate interface is available on the rowset and DBPROP_BOOKMARKS and DBPROP_LITERALBOOKMARKS are both VARIANT_TRUE.

SQL Server Native Client OLE DB provider rowsets that contain bookmarks are supported by SQL Server cursors.

DBPROP_CHANGEINSERTEDROWS

R/W: Read/write

Default: VARIANT_FALSE

Description: This property can only be set to VARIANT_TRUE if the rowset is using a keyset-driven cursor.

DBPROP_COLUMNRESTRICT

R/W: Read-only

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider sets the property to VARIANT_TRUE when a column in a rowset cannot be changed by the consumer. Other columns in the rowset may be updatable and the rows themselves may be deleted.

When the property is VARIANT_TRUE, the consumer examines the dwFlags member of the DBCOLUMNINFO structure to determine whether the value of an individual column can be written or not. For modifiable columns, dwFlags exhibits DBCOLUMNFLAGS_WRITE.

DBPROP_COMMANDTIMEOUT

R/W: Read/write

Default: 0

Description: By default, the SQL Server Native Client OLE DB provider does not time out on the ICommand::Execute method.

DBPROP_COMMITPRESERVE

R/W: Read/write

Default: VARIANT_FALSE

Description: The behavior of a rowset after a commit operation is determined by this property.

VARIANT_TRUE: The SQL Server Native Client OLE DB provider maintains a valid rowset.

VARIANT_FALSE: The SQL Server Native Client OLE DB provider invalidates rowsets after a commit operation. Functionality of the rowset object is almost lost. It supports only IUnknown operations and the release of outstanding row and accessor handles.

DBPROP_DEFERRED

R/W: Read/write

Default: VARIANT_FALSE

Description: When set to VARIANT_TRUE the SQL Server Native Client OLE DB provider tries to use a server cursor for the rowset. Text, ntext, and image columns are not returned from the server until they are accessed by the application.

DBPROP_DELAYSTORAGEOBJECTS

R/W: Read-only

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider supports immediate update mode on storage objects.

Changes made to data in a sequential stream object are immediately submitted to SQL Server. Modifications are committed based on the rowset transaction mode.

DBPROP_HIDDENCOLUMNS

R/W: Read-only

Default: VARIANT_FALSE

Description: Hidden Column Count

If DBPROP_UNIQUEROWS is VARIANT_TRUE, the DBPROP_HIDDENCOLUMNS property returns the number of additional "hidden" columns added by the provider to uniquely identify rows within the rowset. These columns are returned by IColumnsInfo::GetColumnInfo and IColumnsRowset::GetColumnsRowset. However, they are not included in the count of rows returned by the pcColumns argument returned by IColumnsInfo::GetColumnInfo.

To determine the total number of columns represented in the prgInfo structure returned by IColumnsInfo::GetColumnInfo, including hidden columns, the consumer adds the value of DBPROP_HIDDENCOLUMNS to the count of columns returned from IColumnsInfo::GetColumnInfo in pcColumns. If DBPROP_UNIQUEROWS is VARIANT_FALSE, DBPROP_HIDDENCOLUMNS is zero.

DBPROP_IAccessor DBPROP_IColumnsInfo DBPROP_IConvertType DBPROP_IRowset DBPROP_IRowsetInfo

R/W: Read-only

Default: VARIANT_TRUE

Description: The SQL Server Native Client OLE DB provider supports these interfaces on all rowsets.

DBPROP_IColumnsRowset

R/W: Read/write

Default: VARIANT_TRUE

Description: The SQL Server Native Client OLE DB provider supports the IColumnsRowset interface.

DBPROP_IConnectionPointContainer

R/W: Read/write

Default: VARIANT_FALSE

Description: IConnectionPointContainer. If VARIANT_TRUE, the rowset supports the specified interface. If VARIANT_FALSE, the rowset does not support the specified interface. Providers that support an interface must support the property associated with that interface with a value of VARIANT_TRUE. These properties are primarily used to request interfaces through ICommandProperties::SetProperties.

DBPROP_IMultipleResults

R/W: Read/write

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider supports the IMultipleResults interface.

DBPROP_IRowsetChange DBPROP_IRowsetUpdate

R/W: Read/write

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider supports the IRowsetChange and IRowsetUpdate interfaces.

A rowset created by using DBPROP_IRowsetChange equal to VARIANT_TRUE exhibits immediate update mode behaviors.

When DBPROP_IRowsetUpdate is VARIANT_TRUE, DBPROP_IRowsetChange is also VARIANT_TRUE. The rowset exhibits delayed update mode behavior.

The SQL Server Native Client OLE DB provider uses a SQL Server cursor to support rowsets exposing either IRowsetChange or IRowsetUpdate. For more information, see Rowsets and SQL Server Cursors.

DBPROP_IRowsetIdentity

R/W: Read/write

Default: VARIANT_TRUE

Description: The SQL Server Native Client OLE DB provider supports the IRowsetIdentity interface. If a rowset supports this interface, any two row handles representing the same underlying row will always reflect the same data and state. Consumers can call the IRowsetIdentity:: IsSameRow method to compare two row handles to see if they refer to the same row instance.

DBPROP_IRowsetLocate DBPROP_IRowsetScroll

R/W: Read/write

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider can expose the IRowsetLocate and IRowsetScroll interfaces.

When DBPROP_IRowsetLocate is VARIANT_TRUE, DBPROP_CANFETCHBACKWARDS and DBPROP_CANSCROLLBACKWARDS are also VARIANT_TRUE.

When DBPROP_IRowsetScroll is VARIANT_TRUE, DBPROP_IRowsetLocate is also VARIANT_TRUE, and both interfaces are available on the rowset.

Bookmarks are required for either interface. The SQL Server Native Client OLE DB provider sets DBPROP_BOOKMARKS and DBPROP_LITERALBOOKMARKS to VARIANT_TRUE when the consumer requests either interface.

The SQL Server Native Client OLE DB provider uses SQL Server cursors to support IRowsetLocate and IRowsetScroll. For more information, see Rowsets and SQL Server Cursors.

Setting these properties in conflict with other SQL Server Native Client OLE DB provider cursor-defining properties causes an error. For example, setting DBPROP_IRowsetScroll to VARIANT_TRUE when DBPROP_OTHERINSERT is also VARIANT_TRUE generates an error when the consumer tries to open a rowset.

DBPROP_IRowsetResynch

R/W: Read/write

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider exposes the IRowsetResynch interface on demand. The SQL Server Native Client OLE DB provider can expose the interface on any rowset.

DBPROP_ISupportErrorInfo

R/W: Read/write

Default: VARIANT_TRUE

Description: The SQL Server Native Client OLE DB provider exposes the ISupportErrorInfo interface on rowsets.

DBPROP_ILockBytes

This interface is not implemented by the SQL Server Native Client OLE DB provider. Trying to read or write the property generates an error.

DBPROP_ISequentialStream

R/W: Read/write

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider exposes the ISequentialStream interface to support long, variable-length data stored in SQL Server.

DBPROP_IStorage

This interface is not implemented by the SQL Server Native Client OLE DB provider. Trying to read or write the property generates an error.

DBPROP_IStream

This interface is not implemented by the SQL Server Native Client OLE DB provider. Trying to read or write the property generates an error.

DBPROP_IMMOBILEROWS

R/W: Read/write

Default: VARIANT_TRUE

Description: The property is only VARIANT_TRUE for SQL Server keyset cursors; it is VARIANT_FALSE for all other cursors.

VARIANT_TRUE: The rowset will not reorder the inserted or updated rows. For IRowsetChange::InsertRow, rows will appear at the end of the rowset. For IRowsetChange::SetData, if the rowset is not ordered, the position of the updated rows is not changed. If the rowset is ordered and IRowsetChange::SetData changes a column that is used to order the rowset, the row is not moved. If the rowset is built on a set of key columns (typically a rowset for which DBPROP_OTHERUPDATEDELETE is VARIANT_TRUE but DBPROP_OTHERINSERT is VARIANT_FALSE), changing the value of a key column is generally equivalent to deleting the current row and inserting a new one. Therefore, the row may appear to move or even disappear from the rowset, if DBPROP_OWNINSERT is VARIANT_FALSE, even though the DBPROP_IMMOBILEROWS property is VARIANT_TRUE.

VARIANT_FALSE: If the rowset is ordered, inserted rows appear in the rowset's correct order. If the rowset is not ordered, the inserted row appears at the end. If IRowsetChange::SetData changes a column that is used to order the rowset, the row is moved. If the rowset is not ordered, the position of the row is not changed.

DBPROP_LITERALIDENTITY

R/W: Read-only

Default: VARIANT_TRUE

Description: This property is always VARIANT_TRUE.

DBPROP_LOCKMODE

R/W: Read/write

Default: DBPROPVAL_LM_NONE

Description: Level of locking performed by the rowset (DBPROPVAL_LM_NONE, DBPROPVAL_LM_SINGLEROW).

Note Note

When using snapshot isolation in a transaction, if a rowset is opened by using a keyset or dynamic server cursor and the lock mode is set to DBPROPVAL_LM_SINGLEROW, an error will occur when fetching a row if someone else has updated that row since the transaction was started. For other cursor types and lock modes, if someone else has updated the row since the transaction was started, an error does not occur until the user tries to update the row. In both cases, these errors are generated by the server.

DBPROP_MAXOPENROWS

R/W: Read-only

Default: 0

Description: The SQL Server Native Client OLE DB provider does not limit the number of rows that can be active in rowsets.

DBPROP_MAXPENDINGROWS

R/W: Read-only

Default: 0

Description: The SQL Server Native Client OLE DB provider does not limit the number of rowset rows with changes pending.

DBPROP_MAXROWS

R/W: Read/write

Default: 0

Description: By default, the SQL Server Native Client OLE DB provider does not limit the number of rows in a rowset. When the consumer sets DBPROP_MAXROWS, the SQL Server Native Client OLE DB provider uses the SET ROWCOUNT statement to limit the number of rows in the rowset.

SET ROWCOUNT can cause unintended consequences in SQL Server statement execution. For more information, see SET ROWCOUNT.

DBPROP_MAYWRITECOLUMN

This rowset property is not implemented by the SQL Server Native Client OLE DB provider. Trying to read or write the property value generates an error.

DBPROP_MEMORYUSAGE

This rowset property is not implemented by the SQL Server Native Client OLE DB provider. Trying to read or write the property value generates an error.

DBPROP_NOTIFICATIONGRANULARITY

This rowset property is not implemented by the SQL Server Native Client OLE DB provider. Trying to read or write the property value generates an error.

DBPROP_NOTIFICATIONPHASES

R/W: Read-only

Default: DBPROPVAL_NP_OKTODO | DBPROPVAL_NP_ABOUTTODO | DBPROPVAL_NP_SYNCHAFTER | DBPROPVAL_NP_FAILEDTODO | DBPROPVAL_NP_DIDEVENT

Description: The SQL Server Native Client OLE DB provider supports all notification phases.

DBPROP_NOTIFYCOLUMNSET DBPROP_NOTIFYROWDELETE DBPROP_NOTIFYROWFIRSTCHANGE DBPROP_NOTIFYROWINSERT DBPROP_NOTIFYROWRESYNCH DBPROP_NOTIFYROWSETRELEASE DBPROP_NOTIFYROWSETFETCH-POSITIONCHANGE DBPROP_NOTIFYROWUNDOCHANGE DBPROP_NOTIFYROWUNDODELETE DBPROP_NOTIFYROWUNDOINSERT DBPROP_NOTIFYROWUPDATE

R/W: Read-only

Default: DBPROPVAL_NP_OKTODO | DBPROPVAL_NP_ABOUTTODO

Description: The SQL Server Native Client OLE DB provider notification phases are cancelable before an attempt to perform the rowset modification indicated. The SQL Server Native Client OLE DB provider does not support phase cancellation after the attempt has completed.

DBPROP_ORDEREDBOOKMARKS

This rowset property is not implemented by the SQL Server Native Client OLE DB provider. Trying to read or write the property value generates an error.

DBPROP_OTHERINSERT DBPROP_OTHERUPDATEDELETE DBPROP_OWNINSERT DBPROP_OWNUPDATEDELETE

R/W: Read/write

Default: VARIANT_FALSE

Description: Setting change visibility properties causes the SQL Server Native Client OLE DB provider to use SQL Server cursors to support the rowset. For more information, see Rowsets and SQL Server Cursors.

DBPROP_QUICKRESTART

R/W: Read/write

Default: VARIANT_FALSE

Description: When set to VARIANT_TRUE, the SQL Server Native Client OLE DB provider tries to use a server cursor for the rowset.

DBPROP_REENTRANTEVENTS

R/W: Read-only

Default: VARIANT_TRUE

Description: The SQL Server Native Client OLE DB provider rowsets are re-entrant and can return DB_E_NOTREENTRANT if a consumer tries to access a nonre-entrant rowset method from a notification callback.

DBPROP_REMOVEDELETED

R/W: Read/write

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider alters the value of the property based on the visibility of changes to the SQL Server data exposed by the rowset.

VARIANT_TRUE: Rows deleted by the consumer or other SQL Server users are removed from the rowset when the rowset is refreshed. DBPROP_OTHERINSERT is VARIANT_TRUE.

VARIANT_FALSE: Rows deleted by the consumer or other SQL Server users are not removed from the rowset when the rowset is refreshed. The row status value for deleted SQL Server rows in the rowset is DBROWSTATUS_E_DELETED. DBPROP_OTHERINSERT is VARIANT_TRUE.

This property only has value for rowsets supported by SQL Server cursors. For more information, see Rowsets and SQL Server Cursors.

When the DBPROP_REMOVEDELETED property is implemented on a keyset cursor rowset, deleted rows are removed at fetch time and it is possible for row-fetching methods, such as GetNextRows and GetRowsAt, to return both S_OK and fewer rows than requested. Note that this behavior does not signify the DB_S_ENDOFROWSET condition and that the number of rows returned will never be zero if there are any remaining rows.

DBPROP_REPORTMULTIPLECHANGES

This rowset property is not implemented by the SQL Server Native Client OLE DB provider. Trying to read or write the property value generates an error.

DBPROP_RETURNPENDINGINSERTS

R/W: Read-only

Default: VARIANT_FALSE

Description: When a method that fetches rows is called, the SQL Server Native Client OLE DB provider does not return pending insert rows.

DBPROP_ROWRESTRICT

R/W: Read-only

Default: VARIANT_TRUE

Description: SQL Server Native Client OLE DB provider rowsets do not support access rights based on the row. If the IRowsetChange interface is exposed on a rowset, the SetData method can be called by the consumer.

DBPROP_ROWSET_ASYNCH

R/W: Read/write

Default: 0

Description: Provides for anychronous rowset processing. This property is in the Rowset property group and DBPROPSET_ROWSET property set. Type is VT_14.

The only value in the bitmask supported by SQL Server Native Client is DBPROPVAL_ASYNCH_INITIALIZE.

DBPROP_ROWTHREADMODEL

R/W: Read-only

Default: DBPROPVAL_RT_FREETHREAD

Description: The SQL Server Native Client OLE DB provider supports access to its objects from multiple execution threads of a single consumer.

DBPROP_SERVERCURSOR

R/W: Read/write

Default: VARIANT_FALSE

Description: When set, a SQL Server cursor is used to support the rowset. For more information, see Rowsets and SQL Server Cursors.

DBPROP_SERVERDATAONINSERT

R/W: Read/write

Default: VARIANT_FALSE

Description: Server data on insert.

VARIANT_TRUE: At the time an insert is transmitted to the server, the provider retrieves data from the server to update the local row cache.

VARIANT_FALSE: The provider does not retrieve server values for newly inserted rows.

DBPROP_STRONGIDENTITY

R/W: Read-only

Default: VARIANT_TRUE

Description: Strong row identity. If inserts are allowed on a rowset (either IRowsetChange or IRowsetUpdate is true), and DBPROP_UPDATABILITY is set to support InsertRows, the value of DBPROP_STRONGIDENTITY depends on DBPROP_CHANGEINSERTEDROWS property (will be VARIANT_FALSE if DBPROP_CHANGEINSERTEDROWS property value is VARIANT_FALSE).

DBPROP_TRANSACTEDOBJECT

R/W: Read-only

Default: VARIANT_FALSE

Description: The SQL Server Native Client OLE DB provider supports only transacted objects. For more information, see Transactions.

DBPROP_UNIQUEROWS

R/W: Read/write

Default: VARIANT_FALSE

Description: Unique rows.

VARIANT_TRUE: Each row is uniquely identified by its column values. The set of columns which uniquely identify the row have the DBCOLUMNFLAGS_KEYCOLUMN set in the DBCOLUMNINFO structure returned from the GetColumnInfo method.

VARIANT_FALSE: Rows may or may not be uniquely identified by their column values. The key columns may or may not be flagged with DBCOLUMNFLAGS_KEYCOLUMN.

DBPROP_UPDATABILITY

R/W: Read/write

Default: 0

Description: The SQL Server Native Client OLE DB provider supports all DBPROP_UPDATABILITY values. Setting DBPROP_UPDATABILITY does not create a modifiable rowset. To make a rowset modifiable, set DBPROP_IRowsetChange or DBPROP_IRowsetUpdate.

The SQL Server Native Client OLE DB provider defines the provider-specific property set DBPROPSET_SQLSERVERROWSET as shown in this table.

Property ID

Description

SSPROP_COLUMN_ID

Column: ColumnID

R/W: Read-only

Type: VT_U12 | VT_ARRAY

Default: VT_EMPTY

Description: An array of integer values representing the ordinal position (1-based) of a COMPUTE clause result column within the current Transact-SQL SELECT statement. This is the SQL Server Native Client OLE DB provider equivalent of the ODBC SQL_CA_SS_COLUMN_ID attribute.

SSPROP_DEFERPREPARE

Column: No

R/W: Read/write

Type: VT_BOOL

Default: VARIANT_TRUE

Description: VARIANT_TRUE: In prepared execution, the command preparation is deferred until ICommand::Execute is called or a metaproperty operation is performed. If the property is set to

VARIANT_FALSE: The statement is prepared when ICommandPrepare::Prepare is executed.

SSPROP_IRowsetFastLoad

Column: No

R/W: Read/write

Type: VT_BOOL

Default: VARIANT_FALSE

Description: Set this property to VARIANT_TRUE to open a fast load rowset through IOpenRowset::OpenRowset. You cannot set this property in ICommandProperties::SetProperties.

SSPROP_ISSAsynchStatus

Column: No.

R/W: Read/write

Type: VT_BOOL

Default: VARIANT_FALSE

Description: Set this property to VARIANT_TRUE to enable asynchronous operations using the ISSAsynchStatus interface.

SSPROP_MAXBLOBLENGTH

Column: No

R/W: Read/write

Type: VT_I4

Default: The provider does not restrict the size of the text returned by the server and the property value is set to its maximum. For example, 2147483647.

Description: The SQL Server Native Client OLE DB provider executes a SET TEXTSIZE statement to restrict the length of binary large object (BLOB) data returned in a SELECT statement.

SSPROP_NOCOUNT_STATUS

Column: NoCount

R/W: Read-only

Type: VT_BOOL

Default: VARIANT_FALSE

Description: A boolean value representing the status of SET NOCOUNT ON/OFF in SQL Server:

VARIANT_TRUE: when SET NOCOUNT ON

VARIANT_FALSE: when SET NOCOUNT OFF

SSPROP_QP_NOTIFICATION_MSGTEXT

Column: No

R/W: Read/write

Type: VT_BSTR (1-2000 characters allowed)

Default: Empty string

Description: The message text of the query notification. This is user defined, and has no defined format.

SSPROP_QP_NOTIFICATION_OPTIONS

Column: No

R/W: Read/write

Type: VT_BSTR

Default: Empty string

Description: The query notification options. These are specified in a string with name=value. The user is responsible for creating the service and reading notifications off of the queue. The syntax of the query notifications options string is:

service=<service-name>[;(local database=<database>|broker instance=<broker instance>)]

For example:

service=mySSBService;local database=mydb

SSPROP_QP_NOTIFICATION_TIMEOUT

Column: No

R/W: Read/write

Type: VT_UI4

Default: 432000 seconds (5 days)

Minimum: 1 seconds

Maximum: 2^31-1 seconds

Description: The number of seconds that the query notification is to remain active.

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