A database architecture that provides universal data integration over an enterprise's network, from mainframe to desktop, regardless of the data type. OLE DB is a more generalized and more efficient strategy for data access than ODBC, because it allows access to more types of data and is based on the Component Object Model (COM).
A type of locking in which the data page or row containing one or more records (rows) — (including the data being edited) — is unavailable to other users only while the data is being updated, but is available between the Edit and Update operations.