VDict - Definition of null

null

programming A special value used in several languages to

represent the thing referred to by an uninitialised pointer.

database A special value that may be stored in some database

columns to represent an unknown, missing, not applicable, or

undefined value. Nulls are treated completely differently

from ordinary values when evaluating SQL expressions and there

are several SQL constructs for dealing with nulls.

(2003-06-17)

Related search result for "null"

Words pronounced/spelled similarly to "null":
null NOL nML nl NIL NIAL
Words contain "null":
/dev/null annulled branch null null modem null-terminated multibyte string nullary
Words contain "null" in its definition in Computing (FOLDOC) dictionary:
/dev/null null-terminated multibyte string null modem pattern matching NTMBS happily null shim system testing one-liner wars more...