Understanding Database 

A database is a collection of information stored in the computer in a systematic way to obtain information from the database. The database is a representation of a collection of interrelated facts stored together, to meet a variety of needs. The database is a collection of related information on a specific subject for a specific purpose as well. Database is a complete operational arrangement of the data records of an organization or company, organized and stored in an integrated manner by using certain methods so as to meet the optimal information needed olehpara users.
Origin of the term Database

The term "database" originated from computer science. Although then the meaning is more widespread, incorporate things that are outside the field of electronics, articles about computer database. Note that similar to the database already exists before the industrial revolution in the form of ledgers, receipts danm collection of data related to the business .
Basic Concepts Database
The basic concept of a database is a collection of records, or pieces of knowledge. A structured database has an explanation of the types of facts stored in it: this explanation is called schema. There are many ways to organize the scheme, or modeling the database structure: these are known as a database model or data model. Models commonly used today is the relational model, which according to the terms that represent all of the information in the form of related tables, with each table consists of rows and columns (the true definition uses mathematical terminology). In this model, the relationship between tables is represented by using the same values ​​between tables.
Devices to Create Database.
Databases can be created and processed using a computer program, which is commonly referred to as software (software) .Software is used to manage and call query (query) database called the Database Management System (DBMS) or if translated into Indonesian means "System
Database Management ".
DBMS consists of two components, namely Relational Database Management System (RDBMS) and Overview of the Database Management System (ODBMS). RDBMS includes Interface Drivers, SQL Engine, Transaction Engine, Relational Engine, and Storage Engine. While ODBMS include Language Drivers, Query Engine, Transaction Engine and Storage Engine.
While the level of own software, there are two levels of software that makes it possible to create a database, among others:
High Level and Low Level Software Software.
Included in the High Level Software, among others, Microsoft SQL Server, Oracle, Sybase, Interbase, XBase, Firebird, MySQL, PostgreSQL, Microsoft Access, dBase III, Paradox, FoxPro, Visual FoxPro, Arago, Force, Recital, dbFast, dbXL , Quicksilver, Clipper, Flagship, Harbour, Visual dBase and Lotus Smart Suite Approach. While included in the Low Level Software between lainBtrieve and Tsunami Record Manager.
Type Database

There are 12 types of databases, among others Operational Database, Analyticaldatabase, Data warehouse, Distributed databases, End-user database, External data base, Hypermedia databases on the web, Navigational database, In-memory Data bases, Document-oriented databases, Real-time databases, and RelationalDatabase.

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