in a hierarchical model of data records are
In a Hierarchical model of data records are organized ?
In the hierarchical model of data records are organized as Tree structure.
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an entity set that does not have sufficient attributes to form a primary key is calledan entity set that doesnt have sufficient attribute to form a
explain the differences between macros and subroutinesmacros vs subroutinesi macros are pre-processor directives which are processed before the
what is on electronic payment systemelectronic payment systems are alternative cash credit payment methods using several electronic methods to pay
describe the balance of payments identity and discuss its implications under the fixed and flexible exchange rate regimesanswer the balance of
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
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