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To establish the initial connection, the consumer must use the function to create an instance of the data source object.
The registry default values are read by Ora OLEDB from the registry when the provider is loaded into memory. Properties("Updatability") = 7 ' creates an updatable rowset Set Rst = cmd. When non-scalar column values are changed in a deferred update mode, the entire row is transmitted to the database as though the operation was in an immediate update mode. Cursor Location = ad Use Client 'ADO Client Cursor obj Rst. Open "My Ora Db", "scott", "tiger" Set p Date = obj Cmd. Command Text = _ "SELECT * FROM EMP WHERE HIREDATE . Using this feature, consumers can use Ora OLEDB to access data in multiple languages on the same client computer.
The class ID of Ora OLEDB is // create an instance of Ora OLEDB data source object and // obtain the IDBInitialize interface hr = Co Create Instance(CLSID_Ora OLEDB, NULL, CLSCTX_INPROC_SERVER, IID_IDBInitialize, (void**)&p IDBInitialize); After the successful creation of an instance of a data source object, the consumer application can initialize the data source and create sessions.