- integrity constraints
- ограничения [правила] [для] соблюдения целостности [базы данных]
Англо-русский толковый словарь терминов и сокращений по ВТ, Интернету и программированию. . 1998-2007.
Англо-русский толковый словарь терминов и сокращений по ВТ, Интернету и программированию. . 1998-2007.
Integrity constraints — are used to ensure accuracy and consistency of data in a relational database. Data integrity is handled in a relational database through the concept of referential integrity. There are many types of integrity constraints that play a role in… … Wikipedia
Data integrity — in its broadest meaning refers to the trustworthiness of system resources over their entire life cycle. In more analytic terms, it is the representational faithfulness of information to the true state of the object that the information represents … Wikipedia
Database integrity — ensures that data entered into the database is accurate, valid, and consistent. Any applicable integrity constraints and data validation rules must be satisfied before permitting a change to the database. Three basic types of database integrity… … Wikipedia
Declarative Referential Integrity — (DRI) is one of the techniques in the SQL database programming language to ensure data integrity. Contents 1 Meaning in SQL 2 Product specific meaning 3 References 4 … Wikipedia
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Object-relational impedance mismatch — The object relational impedance mismatch is a set of conceptual and technical difficulties that are often encountered when a relational database management system (RDBMS) is being used by a program written in an object oriented programming… … Wikipedia
computer science — computer scientist. the science that deals with the theory and methods of processing information in digital computers, the design of computer hardware and software, and the applications of computers. [1970 75] * * * Study of computers, their… … Universalium
Check Constraint — A check constraint (also known as table check constraint) is a condition that defines valid data when adding or updating an entry in a table of a relational database. A check constraint is applied to each row in the table. The constraint must be… … Wikipedia
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Codd's 12 rules — Codd s twelve rules are a set of thirteen rules (numbered zero to twelve) proposed by Edgar F. Codd, a pioneer of the relational model for databases, designed to define what is required from a database management system in order for it to be… … Wikipedia
PostgreSQL — Developer(s) PostgreSQL Global Development Group Stable release 9.1.1[1] / 9.0.5 … Wikipedia