Necessity of database redesign
Describe any two reasons which show the necessity of database redesign?
Expert
Database redesign is vital for two reasons which are as follows:
(i) Redesign is essential both to fix mistakes made throughout the initial database design.
(ii) Redesign is essential to adapt the database to changes in system requirements. These changes are common since information systems and organizations don’t just influence each other they create each other. Therefore, new information systems cause alters in systems requirements.
Explain briefly the term data mart?
Explain about the Database.
Under what conditions should indexes are employed?
Describe briefly the term a subquery?
When is a functional dependency F considers as to be minimal?
Write about the components of the Ascential Data Stage?
Explain the operations that can be done with the Data Stage Director?
Illustrate the five SQL built-in functions.
What is the main reason that database is considered as "self-describing"?
Illustrates the ways to tune Reporting Services?
18,76,764
1922237 Asked
3,689
Active Tutors
1422213
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!