Please enable JavaScript.
Coggle requires JavaScript to display documents.
Database systems - Coggle Diagram
Database systems
-
-
A database is an organized collection of structured information, or data, typically stored electronically in a computer system. A database is usually controlled by a database management system (DBMS). Most databases use structured query language (SQL) for writing and querying data.
A Database Management System (DBMS) is software designed to store, retrieve, define, and manage data in a database.
As a change of data structure in the database will be affect the application program, it simplifies database application maintenance. Database can manage concurrent data access effectively. It ensures no interference between users that would not result any loss of information nor loss of integrity.
Although the database system yields considerable advantages over previous data management approaches, database systems do carry significant disadvantages. For example: 1. Increased costs. one of the disadvantages of dbms is Database systems require sophisticated hardware and software and highly skilled personnel.