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Database Related  
 
 

A database is a collection of information and systematically organized data which can easily be accessed, retrieval, and analysis, managed, and updated. Databases are organized by fields, records, and files. A field is a single piece of information and a record is one complete set of fields and a file is a collection of records. Databases can be classified according to types of content bibliographic, full-text, numeric, images, computing and databases are sometimes classified according to their organizational approaches.

Most computer applications have databases at their core ex antivirus software, spreadsheets, word-processors etc. To access information from a database, you need a database management system (DBMS). This is a collection of programs that enables you to enter, organize, and select data in a database. Increasingly, the term database is used as shorthand for database management system. Databases are sometimes classified according to their organizational approach such as relation database, tabular database, distributed database and object-oriented programming database


The database data collection with DBMS is called a database system. Database system is a system to store a large number of dynamical associated data, facilitate for multi-user accessing to computer hardware, software and data, with database technology. Database programs have many different methods for storing and retrieving data, as well as for organizing the stored data on the computer. One popular way for accessing data, both to store and to retrieve it, is to use a computer language called SQL.


Major database functional areas

1. Data models

2. Relational model

3. Entity-relationship model

4. Object and Object relational model

5. XML as a database data model

 

Some Types of Database

Active Database

Cloud Database

Data warehouse

Distributed Database

Document-Oriented Database

Embedded Database

Hypertext Database

Operational Database

Parallel Database

Spatial Database

Real-time Database

 

 
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