Rowset Properties and Behaviors

The OLE DB Provider for Oracle implements the supported rowset properties as follows. For the full description, see Appendix C, "Properties," in the OLE DB Programmer's Reference.

Property ID Short Description
DBPROP_ABORTPRESERVE R/O: Read-only
Default: VARIANT_FALSE
Description: The OLE DB Provider for Oracle does not invalidate rowsets after an abort.
DBPROP_
BLOCKINGSTORAGEOBJECTS
R/W: Read-only
Default: VARIANT_FALSE
Description: This provider's storage objects do not block the use of other rowset methods.
DBPROP_BOOKMARKS R/W: Read-only
Default: VARIANT_FALSE
Description: The OLE DB Provider for Oracle does not support bookmarks for rowset row identification.
DBPROP_CACHEDEFERRED R/W: Read-only
Default: VARIANT_FALSE
Description: Cannot defer column fetching.
DBPROP_CANFETCHBACKWARDS
R/W: Read-only
Default: VARIANT_FALSE
Description: The OLE DB Provider for Oracle does not support fetching backward.
DBPROP_CANHOLDROWS R/W: Read-only
Default: VARIANT_TRUE
Description: The OLE DB Provider for Oracle rowsets are read-only. Rowsets may hold rows across the fetcher, as long as RestartPosition is not called.
DBPROP_CANSCROLLBACKWARDS R/W: Read-only
Default: VARIANT_FALSE
Description: The OLE DB Provider for Oracle does not support backward scrolling.
DBPROP_COMMITPRESERVE R/W: Read-only
Default: VARIANT_TRUE
Description: The OLE DB Provider for Oracle maintains a valid rowset if the property is VARIANT_TRUE.
DBPROP_DEFERRED R/W: Read-only
Default: VARIANT_FALSE
Description: The OLE DB Provider for Oracle fetches data in the column when the row containing the data is fetched.
DBPROP_IACCESSOR
DBPROP_ICOLUMNSINFO
DBPROP_ICONVERTTYPE
DBPROP_IROWSET
DBPROP_IROWSETINFO
R/W: Read-only
Default: VARIANT_TRUE
Description: The OLE DB Provider for Oracle supports these interfaces on all rowsets.
DBPROP_ICONNECTIONPOINTCONTAINER R/W: Read-only

Default: VARIANT_TRUE

DBPROP_IROWSETIDENTITY R/W: Read-only
Default: VARIANT_TRUE
Description: The OLE DB Provider for Oracle exposes IRowsetIdentity on rowsets.
DBPROP_ISUPPORTERRORINFO R/W: Read-only
Default: VARIANT_TRUE
Description: The OLE DB Provider for Oracle exposes the ISupportErrorInfo interface on rowsets.
DBPROP_ISEQUENTIALSTREAM R/W: Read-only
Default: VARIANT_TRUE
Description: The OLE DB Provider for Oracle exposes the ISequentialStream interface to support long, variable-length data stored in Oracle.
DBPROP_LITERALIDENTITY R/W: Read-only
Default: VARIANT_TRUE
Description: See the description in the OLE DB Programmer's Reference.
DBPROP_MAXOPENROWS R/W: Read-only
Default: 0
Description: The OLE DB Provider for Oracle does not limit the number of rows that can be active in rowsets.
DBPROP_MAXROWS R/W: Read/Write
Default: 0
Description: No limit.
DBPROP_NOTIFICATIONGRANULARITY R/W: Read-only
Default: NT_MULTIPLE_ROWS
Description: See the description in the OLE DB Programmer's Reference.
DBPROP_NOTIFICATIONPHASES R/W: Read-only
Default:
DBPROPVAL_NP_OKTODO
DBPROPVAL_NP_ABOUTTODO
DBPROPVAL_NP_SYNCHAFTER
DBPROPVAL_NP_FAILEDTODO
BPROPVAL_NP_DIDEVENT
Description: The OLE DB Provider for Oracle supports all notification phases.
DBPROP_NOTIFYROWSETRELEASE
DBPROP_NOTIFYROWSETFETCHPOSITIONCHANGE
R/W: Read-only
Default:
DBPROPVAL_NP_OKTODO
DBPROPVAL_NP_ABOUTTODO
Description: The OLE DB Provider for Oracle notification phases are cancelable prior to an attempt to perform the rowset modification indicated. This provider does not support phase cancellation after the attempt has completed.
DBPROP_OTHERINSERT
DBPROP_OTHERUPDATEDELETE
DBPROP_OWNINSERT
DBPROP_OWNUPDATEDELETE
R/W: Read/only
Default: VARIANT_FALSE
Description: See the description in the OLE DB Programmer's Reference.
DBPROP_QUICKRESTART R/W: Read/only
Default: VARIANT_FALSE
Description: See the description in the OLE DB Programmer's Reference.
DBPROP_REENTRANTEVENTS R/W: Read-only
Default: VARIANT_FALSE
Description: The OLE DB Provider for Oracle rowsets are re-entrant and can return DB_E_NOTREENTRANT if a consumer attempts to access a non–re-entrant rowset method from a notification callback.
DBPROP_REMOVEDELETED R/W: Read/only
Default:
Description: See the description in the OLE DB Programmer's Reference.
DBPROP_ROWTHREADMODEL R/W: Read-only
Default: DBPROPVAL_RT_FREETHREAD
Description: The OLE DB Provider for Oracle supports access to its objects from multiple execution threads of a single consumer.
DBPROP_SERVERCURSOR R/W: Read/only
Default: VARIANT_FALSE
Description: The OLE DB Provider for Oracle does not support client-side cursors.
DBPROP_STRONGIDENTITY R/W: Read-only
Default: VARIANT_TRUE
Description: See the description in the OLE DB Programmer's Reference.
DBPROP_TRANSACTEDOBJECT R/W: Read-only
Default: VARIANT_FALSE
Description: The OLE DB Provider for Oracle supports only transacted objects. For more information, see “Transactions,” later in this file.