What are the issues are formed while selecting a database, Database Management System

Assignment Help:

What are the Issues when Selecting a Database

Issues when Selecting a Database

  • Storage space requirement: A database requires about triple storage space of the actual data.
  • Response time: The response time of database for input/output or communication bound (in case of the distributed databases) request.
  • Locking modes pessimistic locking: Lock before accessing an object
  • Optimistic locking: Read and writes can freely occur (high degree of concurrency).
  • Administration: Modern DBMS requires specially trained staff to set up security policies, prepare backups, manage the disk space, monitor performance and fine-tune the performance.

 


Related Discussions:- What are the issues are formed while selecting a database

Describe the strategies adopted by the ministry of ict, Question 1: (a)...

Question 1: (a) Planning and management of ICT projects have a very poor record in developing countries. Briefly explain five critical success factors for correct implementa

Search the salary of employees who are not ‘analyst’ , Example- Search the ...

Example- Search the salary of employees who are not 'ANALYST' but get a salary below than or equal to any people employed as 'ANALYST'. SELECT EMPNO, ENAME, JOB, SAL FROMEMP

Complete replication-data replication, Complete replication: It implies ma...

Complete replication: It implies maintaining of a whole copy of the database at every site. Thus, the reliability & availability and performance for query response are maximized.

Define boyce codd normal form, Define Boyce codd normal form A relation...

Define Boyce codd normal form A relation schema R is in BCNF with respect to a set F of functional dependencies if, for all functional dependencies in F + of the form.α ->β.

What are the functions of an accumulator, What are the functions of an accu...

What are the functions of an accumulator? The accumulator is the register associated with the ALU operations and sometimes I/O operations. It is an integral part of ALU. It hol

Describe the nested-loop join and block-nested loop join, Describe the nest...

Describe the nested-loop join and block-nested loop join.   Ans:   The block nested- loop join algorithm is as described below:     for every block B r of relation R do beg

Differentiate oo development from structured development., Differentiate OO...

Differentiate OO development from structured development. Structured approach of problem solving is based upon the idea of decomposition of system into subsystem. In this appro

Define the unique constraints for the table client, Define the following co...

Define the following constraints for the table client. (i) BAL_DUE must be at least 1000. (ii) NAME is a unique key. (i)ALTER TABLE CLIENT ADD CONSTRAINT CLIENT_BAL_DUE_C1

Mappings between levels and data independence, Mappings between Levels and ...

Mappings between Levels and Data Independence The 3 levels of abstraction in the database do not exist separately of each other. There must be some correspondence, or mapping

State the objectives-data source, You will be analysing a set of financial ...

You will be analysing a set of financial data of your choice. It is not necessary to collect any primary data of your own, and publicly available secondary data will be sufficient

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd