Attribute preservation, Database Management System

Attribute Preservation

This is a easy and obvious necessity that includes preserving all the attributes that were there in the relation that is being decomposed.

 

Posted Date: 3/7/2013 2:17:15 AM | Location : United States







Related Discussions:- Attribute preservation, Assignment Help, Ask Question on Attribute preservation, Get Answer, Expert's Help, Attribute preservation Discussions

Write discussion on Attribute preservation
Your posts are moderated
Related Questions
When are they useful? Justify with an example. The temporary tables are commonly used to support specialized rollups or exact application processing needs. Unlike a permanent t

what is the need of a log in dbms

Explain the function of input controls. Identify four types of input control and explain the function of each. Provide an example of a data integrity error that could occur i

Differance between internal and external schema? Internal and external schema: Internal Schema • Describes the physical storage structure • Uses a physical data model External

let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation

You are required to design and build a data mart/data warehouse using Oracle. A national bank allocates funding every year for its local branches to provide temporary staff cove

Assume that you are responsible for selecting a new DBMS product for Sohar Hospital

What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.

Define two-phase locking protocol. Ans: Two-phase locking is significance in the context of ensuring that schedules are serializable. The two-phase locking protocol defines a p

Explain the utilities which help the DBA to manage the database? Every DBA uses database utilities to maintain and control their databases. But there is a lot of confusion wit