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What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
give some example real life situation where DBMS are most suitable
Data Fragmentation "Fragmentation includes decomposing the data in relation to non-overlapping component relations". Why do we require fragmenting a relation?
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
Winfield is a small city with a population of 22,000 with buses serves three routes in Winfield and neighboring areas. As the city’s IT director, you have been asked to set up an i
These are the binary operations; i.e., each is applied to two relations or sets. These two relations can be union compatible excluding in case of Cartesian product. Two relations R
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
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What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
Derived horizontal fragmentation: Some applications may include a join of two or more relations. If the relations are stored at dissimilar locations, there may be a major overhead
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