What functions does a data dictionary perform, Database Management System

Assignment Help:

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

Normalise data to third normal form, A software contract and consultancy fi...

A software contract and consultancy firm maintains details of all the various projects in which its employees are currently involved. These details comprise: Employee Numbe

Explain the disadvantages of a file processing system, Explain the disadvan...

Explain the disadvantages of a file processing system? Ans: Disadvantages of File Processing Systems include: 1) Data Redundancy 2) Data Inconsistency 3) Difficult to acce

I want a professional with strong it background, I want a professional with...

I want a professional with strong IT background who provide me timely assignments Project Description: I want a professional who can do my assignments for my major i.e. Infor

Each statement should have a where clause, Submit SQL SELECT Statements to ...

Submit SQL SELECT Statements to demonstrate several reports off your database, according to the following guidelines: You must submit at least 5 SELECT Statements. Each

Define the terms ddl and dml, Define the terms i) DDL ii) DML DDL: Data...

Define the terms i) DDL ii) DML DDL: Data base schema is particular by a set of definitions expressed by a special language known as a data definition language. DML: A data

Data models, why older data models are being replaced by new data models....

why older data models are being replaced by new data models.

What is the difference between where and having clauses, What is the differ...

What is the difference between WHERE and HAVING clauses?. Predicates in the WHERE clause applies to every tuple while the predicate in the HAVING clause applies to groups.

What are the disadvantages of file-processing system, What are the disadvan...

What are the disadvantages of file-processing system? Ans: The Disadvantages of File-Processing System a. Data redundancy and inconsistency - Data redundancy means not nece

ER diagram, sir we want er diagram of bank management system in this main m...

sir we want er diagram of bank management system in this main menu option as new account,deposit amount,withdraw amount,all acount holder list,modify account,close account

Object-based models - data models, Object-based Models: Use objects as key ...

Object-based Models: Use objects as key data representation components . Examples:- Entity-Relationship Model: It is a collection of real world objects known as entitie

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages