| name : database | - n command-line option |
| Name property | Connection properties Properties available for the server Properties available for each database |
| NamedPipes : about | - x command-line option |
| NEAREST_CENTURY | NEAREST_CENTURY option |
| NetBIOS : about | - x command-line option |
| NetBIOS : server configuration | Network communications parameters |
| NetWare : cache buffers | - c command-line option |
| NetWare : database server | The database server |
| NetWare : server performance | - c command-line option |
| network communications : command line switches | Network communications parameters |
| network number : in IPX address | DOBROADCAST parameter |
| NEXT_CONNECTION function | NEXT_CONNECTION function [System] |
| NEXT_DATABASE function | NEXT_DATABASE function [System] |
| NO SCROLL cursors | DECLARE CURSOR statement [ESQL] [SP] |
| NodeAddress property | Connection properties |
| NON_KEYWORDS | NON_KEYWORDS option |
| NOT conditions | NOT conditions |
| NOW function | NOW function [Date and time] |
| NULL value : about | NULL value |
| NULL value : ANSI behavior | ANSINULL option |
| NULL value : ISNULL function | ISNULL function [Miscellaneous] |
| NULL value : NULLS option | NULLS option [ISQL |
| NULL value : Transact-SQL behavior | ANSINULL option |
| NULLIF function | CASE expressions |
| NULLIF function : about | NULLIF function [Miscellaneous] |
| NULLS option : Interactive SQL option | NULLS option [ISQL |
| NUMBER function | NUMBER function [Miscellaneous] |
| NUMBER function : updates | UPDATE statement |
| number of rows | SYSTABLE system table |
| Number property | Connection properties |
| numbers | Constants in expressions |
| NUMERIC data type : about | NUMERIC data type [Numeric] |
| numeric functions | Numeric functions |
| numeric precision : database option | PRECISION option |