| [SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] UCASE function (MySQL) UHIGHSURR function UID function (Oracle) UInt parameter object type (ADO.NET) ULOWSURR function unary operators 2nd UNCOMPRESS function (MySQL) UNHEX function (MySQL) UNICHAR datatype (Sybase adaptive server) UNICODE function SQL Server UNION set operator DB2 keywords MySQL Oracle platform support for PostgreSQL programming tips rules SQL Server SQL2003 syntax UNIQUE constraints UNIQUEIDENTIFIER datatype platform comparison SQL Server 2nd UNISTR function (Oracle) UNIVARCHAR datatype (Sybase adaptive server) UNIX_TIMESTAMP function (MySQL) Unspecified isolation level (Transaction object (ADO.NET)) UPDATE statement DB2 keywords MySQL operators and 2nd Oracle platform support for PostgreSQL programming tips rules SQL Server SQL2003 syntax UPDATEXML function (Oracle) UPPER function URLs MySQL open source Oracle PostgreSQL SQL Server UROWID datatype Oracle platform comparison USCALAR function user USER( ) function (MySQL) USER_ID function (SQL Server) USER_NAME function (SQL Server) USERENV function (Oracle) |