Objectives-database recovery and security, Database Management System

Objectives

  • Define the terms RECOVERY and INTEGRITY;
  • Define Recovery Techniques;
  • Explain Error and Error detection techniques, and
  • Define types of Authorisation.

 

Posted Date: 3/12/2013 3:31:49 AM | Location : United States







Related Discussions:- Objectives-database recovery and security, Assignment Help, Ask Question on Objectives-database recovery and security, Get Answer, Expert's Help, Objectives-database recovery and security Discussions

Write discussion on Objectives-database recovery and security
Your posts are moderated
Related Questions

Improved performance: As the data is located near the site of its demand, and given the inherent parallelism because of multiple copies, speed of database access may be good for di

Law Associates is a large legal practice based in Sydney.  You have been asked to design a data model for the practice based upon the following specification: The practice emplo

Eliminate Redundant Data In the "Database Relation" above, the primary key is made up of the D-ID and the Emp-ID. The database-name relies only on the D-ID. The similar databas

Aggregation Aggregation is stronger form of association. It represents the "has-a" or "part-of" relationship. An aggregation association depicts a complex object which is comp

Question: (a) Use the following business rules to produce the E-R diagram. You should clearly show all the minimum and maximum cardinality constraint on each side of the relati

Types of Locks There are two necessary types of locks: Binary lock : This locking mechanism has two states for to a data item: locked or unlocked Multiple-mode loc

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

MySQL statements for extending the database to incorporate new facilities Deliverables for submission You must submit the following deliverables in the Assignment Dropbox in

Explain the structure of well formed formulae in relational calculus. Ans: a. An atom is a formula b. If P1 is a formula, after that so are ¬P1 and (P1) c. If P1 and P2 a