- An n-
tuple is a
tuple of n elements,
where n is a non-negative integer.
There is only one 0-
tuple,
called the
empty tuple. A 1-
tuple and a 2-
tuple are...
-
Tuple-versioning (also
called point-in-time) is a
mechanism used in a
relational database management system to
store past
states of a relation. Normally...
- A
tuple space is an
implementation of the ****ociative
memory paradigm for parallel/distributed computing. It
provides a
repository of
tuples that can be...
-
Tuple calculus is a
calculus that was
created and
introduced by
Edgar F. Codd as part of the
relational model, in
order to
provide a
declarative database-query...
- theory, a
prime k-
tuple is a
finite collection of
values representing a
repeatable pattern of
differences between prime numbers. For a k-
tuple (a, b, …), the...
- The
expression of an
instance of a
product type will be a
tuple, and is
called a "
tuple type" of expression. A
product of
types is a
direct product...
- operators. New
tuples can
supply explicit values or be
derived from a query. Similarly,
queries identify tuples for
updating or deleting.
Tuples by definition...
-
represented by an n-dimensional array,
where each
element is an n-
tuple. An
ordered pair is a 2-
tuple or couple. More
generally still, one can
define the Cartesian...
- all
tuples found in
either relation (union),
removing tuples from the
first relation found in the
second relation (difference),
extending the
tuples of...
- In a
relational database, a row or "record" or "
tuple",
represents a single,
implicitly structured data item in a table. A
database table can be thought...
