Collection - Bag

(Relation|Table) - Tabular data

(Relation|Table) - Tabular data About A Relation is a logical data structure composed of * tuple (row) * attribute (column, field) The following data structure are a relation: * a table, "...

(Collection|Container) Data Type (Set, Bag, Sequence)

(Collection|Container) Data Type (Set, Bag, Sequence) About A collection is a abstract data type for grouping together multiple values. It's therefore sometime known as a container and creates a "...

Collection - Set

Collection - Set About A set is: * a data structure of the set theory * a collection of distinct objects (then without duplicate) * an unordered collection of objects The objects element of "...

Collection - MultiSet (bag or mset)

A multiset (aka bag or mset) is a set with one big difference because it allows for multiple instances of each of its elements (ie duplicate are allowed) This is the same structure that would support "...

Collection - Sequence (Ordered)

A sequence is an abstract collection: of non-unique element where order matters - ie (A,B) is not equal to (B,A) non-unique means that it allows duplicate member (the same element/value may occur mo "...

Logical Data Modeling - Multiplicity

Multiplicity constrain the number of values that may be contained by a container (ie entity set) The multiplicity specifies valid cardinalities of the collection it represents. (It denotes the possibl "...

Mathematics - (Prime Factorization Theorem | Factoring integers)

For every integer N >= 1, there is a unique bag of prime numbers whose product is N. All the elements in a bag must be prime. If N is itself prime, the bag for N is just {N}. Articles RelatedSS "...

PL/SQL - Collections (Datatype Table of, Varray of)

Definition Many programming techniques use collection types. To support these techniques in database applications, PL/SQL provides three data types of collections: Associative arrays (formerly called "...

Pig - Relational Operators

Documentation See: Relational Operators LOAD Load : Input is assumed to be a ba "...

Relational Algebra - Expression and Operators

Relational algebra defines the relational database through a set of data operators (select, filter, join, sort, union, etc.) that defines an intermediate format for query planning/optimization. Inform "...