| Subject | Turkish | English |
| comp., MS | null anahtar | null key (A null value that is encountered in a key column) |
| comp., MS | null atanabilir özellik | nullable property (A property which controls if a field can have a NULL value) |
| comp., MS | null atanabilirlik | nullability (The attribute of a column, parameter, or variable that specifies whether it allows null data values) |
| comp., MS | null atanamayan parametre | nonnullable parameter (A parameter which cannot take a NULL value) |
| comp., MS | null karakteri | null character (" A character code with a null value; literally, a character meaning "nothing." Although it is real in the sense of being recognizable, occupying space internally in the computer, and being sent or received as a character, a NUL character displays nothing, takes no space on the screen or on paper, and causes no specific action when sent to a printer. In ASCII, NUL is represented by the character code 0. ") |