. . . . "For those working in databases other than SQL Server, DB2 supports table-valued functions with its CREATE FUNCTION (External Table) statement (see DB2 Version 9 for Linux, UNIX, and Windows), and on the mainframe supports row level security with its multi-level security capability (see Securing DB2 and Implementing MLS on z/OS.) Oracle supports row level security, as explained in Oracle Row Leve" .