FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

WHAT IS DATABASE MANAGEMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Data is located at a single site.
A
Single-site database
B
Centralized database
C
Distributed database
D
Workgroup database
Explanation: 

Detailed explanation-1: -A centralized database is stored at a single location such as a mainframe computer. It is maintained and modified from that location only and usually accessed using an internet connection such as a LAN or WAN. The centralized database is used by organisations such as colleges, companies, banks etc.

Detailed explanation-2: -For example, a database that supports data located at a single site is called a centralized database. A database that supports data distributed across several different sites is called a distributed database.

Detailed explanation-3: -A centralized database (sometimes abbreviated CDB) is a database that is located, stored, and maintained in a single location.

Detailed explanation-4: -Sharing of data and multiuser system Current database systems are designed for multiple users. That is, they allow many users to access the same database at the same time.

Detailed explanation-5: -In centralized databases, all information is stored in one central location. Maintaining and modifying the site requires access to the internet through a LAN or WAN connection. The businesses that need to manage enormous volumes of data across multiple locations use a centralized database.

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