| [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] RADIANS function DB2 MySQL PostgreSQL SQL Server RADIUS function (PostgreSQL) RAISE_ERROR function (DB2) RAND function DB2 SQL Server RAND( ) function (MySQL) RANK function 2nd RANK( ) function RATIO_TO_REPORT function (Oracle) RAW datatype Oracle platform comparison RAWTOHEX function (Oracle) RDBMSs (Relational Database Management System) ReadCommitted isolation level (Transaction object (ADO.NET)) ReadUncommitted isolation level (Transaction object (ADO.NET)) REAL datatype DB2 MySQL Oracle platform comparison PostgreSQL SQL Server REAL function (DB2) REC2XML function (DB2) records REF function (Oracle) REFTOHEX function (Oracle) REGEXP_INSTR function (Oracle) REGEXP_REPLACE function (Oracle) REGEXP_SUBSTR function (Oracle) REGR family of functions REGR_AVGX function 2nd 3rd 4th 5th 6th 7th 8th 9th 10th REGR_AVGY function 2nd 3rd 4th 5th 6th 7th 8th 9th REGR_COUNT function 2nd 3rd 4th 5th 6th 7th 8th REGR_INTERCEPT function 2nd 3rd 4th 5th 6th 7th REGR_R2 function 2nd 3rd 4th 5th 6th REGR_SLOPE function 2nd 3rd 4th 5th REGR_SXX function 2nd 3rd 4th REGR_SXY function 2nd 3rd REGR_SYY function 2nd Relational Database Management Systems (RDBMSs) relational databases, principles of RELEASE SAVEPOINT statement DB2 keywords MySQL Oracle platform support for PostgreSQL programming tips quick reference rules SQL Server SQL2003 syntax RELEASE_LOCK function (MySQL) RELTIME function (PostgreSQL) REMAINDER function (Oracle) REPEAT function DB2 MySQL RepeatableRead isolation level (Transaction object (ADO.NET)) REPLACE function DB2 MySQL Oracle SQL Server REPLICATE function SQL Server reserved words 2nd resources, freeing ResultSet methods (JDBC) Get RETURN statement DB2 keywords MySQL Oracle platform support for PostgreSQL programming tips quick reference rules SQL Server SQL2003 syntax REVERSE function MySQL SQL Server REVOKE statement DB2 keywords MySQL Oracle platform support for PostgreSQL programming tips quick reference rules SQL Server SQL2003 syntax RIGHT [OUTER] JOIN RIGHT function DB2 MySQL SQL Server ROLE_CONTAIN function ROLE_ID function ROLE_NAME function ROLLBACK statement DB2 keywords MySQL Oracle platform support for PostgreSQL programming tips quick reference rules SQL Server SQL2003 syntax ROUND function DB2 MySQL Oracle PostgreSQL SQL Server row processing ROW_NUMBER function ROWCNT function ROWCOUNT_BIG( ) function SQL Server ROWID datatype Oracle platform comparison ROWIDTOCHAR function (Oracle) rows, filtering and comparison operators ROWVERSION datatype platform comparison SQL Server 2nd RPAD function MySQL Oracle PostgreSQL RTRIM function DB2 MySQL Oracle PostgreSQL SQL Server |