Created by: paul01234
Number of Blossarys: 51
English (EN) It is a collection of closely related columns. Tables usually comprise a relational database. In a relational model, the "relation' is used to refer to a table, the "tuple" is used ...
A structured query language used for the manipulation and management of data in a relational database. This is also an industry-standard language. Examples of commonly used SQL commands are SELECT, ...
An association among several entities. The relationship between and among entities may be one to one, one to many, and many to many.
Comprised of a collection of tables which are individually assigned with a unique name. The relational database is the primary database model currently used for commercial-data processing ...
A database concept which guarantees that the relationships between the tables in a database remain consistent. This also ensures that a relation for a given set of attributes can also be found in a ...
The primary means for retrieving information from a database. This consists of questions given to the database in predefined format. A large number of database management systems use the standard ...
A superkey which has a set of attributes whose values ensure the unique identification of the rows in a table. It is the principal means of identifying tuples in a relation. Its value is never, or at ...
