What is a database?
A collection of data; information stored, typically in electronic format. It may contain bibliographic, numerical or other data, generally structured so that it can be sought and retrieved automatically.
Examples of databases
The data in a relational database is stored in various data tables. Each table has a key field which is used to connect it to other tables. Hence all the tables are related to each other through several key fields. These databases are extensively used in various industries and will be the one you are most likely to come across when working in IT.
are Oracle, Sybase ,google, yahoo,bing,itunes etc
A collection of data; information stored, typically in electronic format. It may contain bibliographic, numerical or other data, generally structured so that it can be sought and retrieved automatically.
Examples of databases
The data in a relational database is stored in various data tables. Each table has a key field which is used to connect it to other tables. Hence all the tables are related to each other through several key fields. These databases are extensively used in various industries and will be the one you are most likely to come across when working in IT.
are Oracle, Sybase ,google, yahoo,bing,itunes etc
The other type of databases are operational database. An operational database is usually hugely important to Organisations as they include the customer database, personal database and inventory database i.e. the details of how much of a product the company has as well as information on the customers who buy them. The data stored in operational databases can be changed and manipulated depending on what the company requires.
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