What functions does a data dictionary perform, Database Management System

What functions does a data dictionary perform?

In a (DBMS)data management system, the principal functions performed by the data dictionary are

Management of data definitions.
Provision of information for evaluation.
Support for s/w development.
Support form documentation.
Ensuring that the data definitions are flexible and up-to-date.

Related Discussions:- What functions does a data dictionary perform

Explain relevance of data dictionary in a database system, Explain the rele...

Explain the relevance of Data Dictionary in a Database System? Data dictionary is a database in its own right residing on the disk that consist of Meta data which is = Data abo

What are axioms, What are axioms? Axioms or rules of inference give a s...

What are axioms? Axioms or rules of inference give a simpler technique for reasoning about

What are segments in oracle, What are segments in oracle? Segments - Ea...

What are segments in oracle? Segments - Each table has single field of disk space, known as segment, set aside for it in the tablespace. Segments consist of contiguous sections

Design and prototype, This assignment is worth 45% of your final grade for ...

This assignment is worth 45% of your final grade for this module. Marks will be awarded as follows: Prototypes (wireframe and web based prototype) You are expected

Assignment, am looking for assignment helper for dbms

am looking for assignment helper for dbms

List out user authorization to modify the database schema, List out various...

List out various user authorization to modify the database schema. a) Index authorization b) Resource authorization c) Alteration authorization d) Drop authorizat

Which are two ways that entities participate relationship, Which are the tw...

Which are the two ways in which entities can participate in a relationship? Total and partial are the two ways in which entities can participate in a relationship

Define cascading rollback, Define Cascading rollback The phenomenon whe...

Define Cascading rollback The phenomenon where a single transaction failure leads to a series of transaction rollbacks is known as Cascading rollback.

Define a relation schema, A Relation Schema represented by R(A1, A2, .....

A Relation Schema represented by R(A1, A2, ..., An) is made up of the relation name the list of attributes and R Ai that it contains. A relation is described as a set of tuples

Example on relational database schema, Question: The following relation...

Question: The following relational database schema corresponds to a part of a database used by the Registry Department of a university. DEPARTMENT (d#, d-name, head-of-dept)

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages