Railways, Government Projects, Banking, Research and Development, and Application Software.
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Components of Database
Data, Information, Table, Field, and Record.
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Famous Database
MySQL, Oracle, SQL Server, IBM DB2, Postgre SQL, Simple DB
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Advantages of Database
Low Data Redundancy, Perform Backup and Restore, Filtration of Data, Security.
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Disadvantages of Database.
Difficult to maintain massive databases, Need to memorize queries to operate, Takes time to execute the question if not correctly optimized, Need proper Query optimization for faster results.
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Characteristics of Database
New data can be added. Modified and deleted, Arranged data in proper order, Display reports.