Index[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] [Z] naming conventions 2nd NEW keyword newline (\n) 2nd next() method 2nd normal forms 2nd normalization 2nd 3rd 4th NOT (!) operator NOT BETWEEN operator 2nd NOT IN operator NOT LIKE expression 2nd NOT LIKE operator NOT NULL description 2nd NOT REGEX operator NOT REGEXP operator 2nd NOW() function 2nd 3rd 4th NTFS file system NULL values columns 2nd 3rd 4th 5th 6th comparing grouping placeholders numbers calculations on column 2nd data selection data types 2nd formatting quotation marks and 2nd 3rd random 2nd rounding 2nd numeric functions 2nd numeric values |