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What is a Database?
To know what database is, we have to start from data, which is the basic building block of any DBMS.
Data: Facts, figures, statistics etc. having no particular meaning (e.g. 1, ABC, 19 etc).
Record: Collection of related data items, e.g. in the above instance the three data items had no meaning. But if we organize them in the following way, then they collectively show meaningful information.
brief history,definition,current trends and future trends if any of data fragmentation
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how to make an e r diagram?
Explain different categories of failures that occur in Oracle database? Categories of Failures - In Oracle database subsequent types of failures can occurred: Statement Failu
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
The Maximum no of key fields that can be used in a header is?? 50
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