in case of entity integrity the primary key may
In case of entity integrity, the primary key may be declared?
In a case of entity integrity primary key may be not Null.
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in a hierarchical model of data records are organized in the hierarchical model of data records are organized as tree
advantages on electronic payment systemit gives good security schemes four necessary security requirements for safe e-payments are authentication
in an e-r diagram how attributes are represented in an e-r diagram attributes are represented in a
e-cash e-cash is cash shown by two models one is the on-line form of e-cash introduced by digicash which permits for the completion of all types
in case of entity integrity the primary key may be declaredin a case of entity integrity primary key may be not
the production manager of koulder refrigerators must decide how many refrigerators to produce in each of the next four months to meet demand at the
electronic cheques another mechanism for internet payment is electronic cheques with electronic cheques the payer either an individual consumer
in tuple relational calculus p1rarr p2 is equivalent to a in tuple relational calculus p1rarr p2 is equivalent to notp1 v p2 the logical implication
give an account of the issue pertaining to compilation of if statement in c languagecontrol structures as if cause significant gap in between the pl
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