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Illustrate about the advanced object design Advanced object design is a complex task. The objects discovered through analysis serve as a skeleton of design. The operations reco
A set of possible data values is called? A set of possible data values is called as domain.
Explain the functions of data manager? Functions of Data Manager : - Convert operations in user's queries coming directly through query processor or indirectly in an applicatio
Which database level is closest to the users? External database level is closest to the users.
What are the causes of bucket overflow in a hash file organization? What can be done to reduce the occurrence of bucket overflow? When a record is inserted, the bucket to that
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What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
Illustrate the statement 'Projection operation distributes over the union operation'. Give an example. Ans: Π L (E 1 ∪ E 2 ) = (Π L (E 1 )) ∪ (Π L (E 2 )) This says th
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
How to reduce data redundency
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