The database is the fundamental component of the information system of an organization. In a computerized environment, the information system includes the resources such as data, DBMS software, computer hardware and storage media, the people who use and manage the data, the application programs. The database development is very important [...]
The database development process comprises a series of phases. The major phases in information engineering are:
Planning
Analysis
Design
DBMS Selection
Implementation
Maintenance
Database planning
The database-planning phase begins when a customer requests to develop a database project. It is set of tasks or activities, which decide the resources required in the database development and time [...]
Data and information are as important for an organization as blood in human body. In case data and information become unavailable due to any reason, all the working of the organization stops and it becomes unmanageable loss. In order to avoid such big loss, Database Administrator (DBA) must take backup [...]
Database can fail due to some reasons like media failure, operating system failure, accidental damage, and intentional damage to the database. When database stops working due to any above reasons, it’s the responsibility of Database Administrator to recover the database using its backup files and restoration of database into the [...]
A database is a collection of related data stored in an efficient and compact manner. The word “efficient” means that stored data can be accessed very easily and quickly.
red data takes up as little space as possible. In the above definition of database, the phrase “related data’ is used. It means that [...]
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