[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] naming conventions NANVL function (Oracle)NATIONAL CHAR datatype Oracle platform comparison SQL ServerNATIONAL CHAR VARYING datatype Oracle platform comparison SQL ServerNATIONAL CHARACTER datatype Oracle platform comparison SQL ServerNATIONAL CHARACTER VARYING datatype MySQL Oracle platform comparison SQL ServerNATIONAL TEXT datatype platform comparison SQL Server NATURAL [INNER | {LEFT | RIGHT}[ OUTER] ] JOINNCHAR datatype MySQL Oracle platform comparison SQL Server NCHAR function Oracle SQL ServerNCHAR VARYING datatype Oracle platform comparisonNCHAR( ) datatype SQL Server 2nd Sybase adaptive serverNCLOB datatype Oracle platform comparison nested parentheses and operator precedencenested tables in FROM clause Oracle subqueries NETMASK function (PostgreSQL) NETWORK function (PostgreSQL) NEW_TIME function (Oracle) NEWID( ) function SQL Server NEXT_DAY function (Oracle) NLS_CHARSET_DECL_LEN function (Oracle) NLS_CHARSET_ID function (Oracle) NLS_CHARSET_NAME function (Oracle) NLS_INITCAP function (Oracle) NLS_LOWER function (Oracle) NLS_UPPER function (Oracle) NLSSORT function (Oracle) nondeterministic functions not equal to (!=) operator 2nd 3rd not greater than (!>) operator not less than (!<) operator NOT operator NOW( ) function (MySQL) NPOINTS function (PostgreSQL)NTEXT datatype platform comparison SQL Server 2nd NTILE function (Oracle) NULL values NULLIF function DB2 MySQL Oracle PostgreSQL SQL ServerNUM datatype DB2NUMBER datatype Oracle platform comparisonNUMERIC datatype DB2 MySQL Oracle platform comparison PostgreSQL 2nd SQL Server 2nd numeric datatype and unary operators numeric functions enhanced NUMTODSINTERVAL function (Oracle) NUMTOYMINTERVAL function (Oracle) NVARACHAR( ) datatype (Sybase Adaptive Server)NVARCHAR datatype MySQL platform comparison SQL ServerNVARCHAR2 datatype OracleNVARCHAR2( ) datatype platform comparison NVL function (Oracle) NVL2 function (Oracle) |