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One-way Associations
When an association is traversed only in the one direction, then it is implemented as a pointer i.e.an attribute which contains an object reference. If multiplicity is 'one' as shown in Figure, then it is simple pointer, otherwise it is a set of pointers.
Figure: Implementation of a one-way association using pointers
What are the states of transaction? The states of transaction are:- a) Active b) Partially committed c) Failed d) Aborted e )Committed f) Terminated
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Replication : It is definite as a copy of a relation. Every replica is stored at a dissimilar site. The alternative to replication is to store only single copy of a relation which
I want Database Of United Kingdom with Criteria of:\r\n\r\n1). Name, Number, City, State, Postal Code, Address, Email id, DOB.\r\n\r\n2). Unsecure Debts only adds Credit Card Payme
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