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Last Update: July 13, 2007 Asked by: anupriya |
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Submitted by: Gajanan K
Aggregation: Selecting the data in group of records is called aggregation.
There are five aggregate system functions they are viz. Sum, Min, Max, Avg, Count. They all have their own purpose Decomposition: Selecting all data without
any grouping and aggregate functions is called Decomposition. The data is selected, as it is present in the table.
Generalization: while generalization seems to be simplification of data, i.e. to bring the data from Un-normalized form to normalized form.
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kishaloy | Latest Answer : DBMS includes the theoretical part that how datas are stored in a table. It does not relate tables with another. While RDBMS is the procedural way that includes SQL syntaxes for relating tables with another and handling datas stored in tables. 1)rdbms ...
Latest Answer : Aggregation: Selecting the data in group of records is called aggregation.
There are five aggregate system functions they are viz. Sum, Min, Max, Avg, Count. They all have their own purpose Decomposition: Selecting all data without
any grouping ...
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There are millions and millions of data stored in the database a
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