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

Find a 3nf decomposition , Find a 3NF decomposition of the following relati...

Find a 3NF decomposition of the following relation scheme: University (Faculty, Dean, Department, Chair, Professor, Rank, Student}. The University relation satisfies the following

Database backup, Discuss the importance and characteristics of database bac...

Discuss the importance and characteristics of database backup and recovery procedures, then describe the actions that must be detailed in backup and recovery plan

Define clause in sql to specify query result must be sorted, The clause in ...

The clause in SQL which specifies that the query result should be sorted in ascending or descending order based upon the values of one or much more columns is Ans : Order by

Define average latency time, Define average latency time. The average l...

Define average latency time. The average latency time of the disk is one-half the time for a full rotation of the disk.

Explain interfaces for parametric users, Explain Interfaces for parametric ...

Explain Interfaces for parametric Users? Interfaces for Parametric Users - Parametric users, such as bank tellers, frequent have a little set of operations in which they must p

Types of attributes, Attributes attached to an entity can be of various typ...

Attributes attached to an entity can be of various types. Simple The attribute that cannot be further separated into smaller parts and shows the basic meaning is known as a

What is null, What is NULL? Simply NULL means not in value.

What is NULL? Simply NULL means not in value.

multiple-mode locks, Multiple-mode locks : It offers two locks: exclusive ...

Multiple-mode locks : It offers two locks: exclusive locks and shared locks. But why do we require these two locks? There are a lot of transactions in the database system that neve

Stored and derived attributes, Attributes that are directly kept in the dat...

Attributes that are directly kept in the data base. For example, 'Birth date' attribute of a person. Derived Attributes that are not stored directly but can be derived

Attribute inheritance, About Attribute inheritance

About Attribute inheritance

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages