Home > Blossary: Database Management
all about terms related to database management

Category: Technology

18 Terms

Created by: paul01234

Number of Blossarys: 51

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A set of attributes in a referencing relation. The value of the foreign key attributes are sure to occur as the primary key value of a row or tuple in the referenced relation or table.

Domain: Software; Category: Database applications

This refers to the collection of information stored in the database at a specific time or moment. A new instance is created when information is inserted, deleted, or updated in the database.

Domain: Software; Category: Database applications

It is an attribute used to sort and identify data in the database. Types of database keys are primary keys, candidate keys, and foreign keys.

Domain: Software; Category: Database applications

The process of generating a set of relation schemas that allows the storage of information without unnecessary redundancy while still allowing the easy retrieval of information.

Domain: Software; Category: Database applications

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 ...

Domain: Software; Category: Database applications

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 ...

Domain: Software; Category: Database applications

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 ...

Domain: Software; Category: Database applications

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