A database is a structured set of data stored and accessed electronically. A database can easily be managed and updated. Database have developed since their beginning in 1960s. It began with hierarchal and network databases in 1980’s and has reached to SQL and NoSQL Databases. Databases can also be categorized according to content type: bibliographic, number, pictures and full text. However, they are also sometimes categorized according to organization approach. Different types of database include relational database, distributed database and cloud database. In Relational database is organized in a tabular form so it may be rearranged and got into many ways. Distributed database is database in which segments of the database are put away in numerous physical areas, and in which preparing is scattered or recreated among various focuses in a system. A cloud database is a database that has been enhanced or worked for a virtualized domain, either in a crossover cloud, open cloud or p...
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