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Explain P command in the respect of QBE?
P: It is the command in which is used to print (logically display) the value of the attribute in whose cell it is written. To shown the whole relation, P has to be written in each field or through placing a single P in the column headed through the relation name also displays entire relation.
Report writing help on database mgmt Project Description: Use of Harvard referencing, critical analysis is required. Skills required: Academic Writing, Technical Writin
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
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Define the Division Operation of Relational Algebra Let R be a relation comprising attributes (A1,...Ap,Ap+1,...An) and S comprising attributes (Ap+1,...An) DEF: Division
Construct a generalization-specialization hierarchy for a motor-vehicle sales company. The company sells motorcycles that comprise an engine number and cost; cars that have a chass
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