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Responsibility of Database Administrator

Responsibility of Database Administrator

The database administrator is also known as DBA. DBA is a person or group of person who is responsible to define the structure such as type of fields and range of values that can be stored in fields. The main role of DBA is in backup and recovery. The term ‘backup’ means copying the data to some other folder such as in pen-drive, tape. The term ‘recovery means recover the data when data has lost for some reason. The reason could be anyone such as power failure, instance failure and media failure. The power failure and instance failure is managed by operating system itself in which OS just restart the database and nothing else there is no role of DBA in there. The major role of DBA is in media failure.  DBA is decides which data is to be backup and when (amount (more…)

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