(1) A unit of work that allows for the remote preparation and execution of SQL statements.
(2) The form of SQL distributed processing in which the application is on a system different from the relational database, and a single application server services all remote unit-of-work requests within a single logical unit of work.
(3) A unit of work that lets a user or an application program read or update data at one location per unit of work. RUOW supports access to one database within a unit of work. An application program can update several remote databases, but it can access only one database within a unit of work. See also transaction.