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What are audit trails?
An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
am looking for assignment helper for dbms
Explain the cartesian product in Database Management System
non numeric literals
How the time stamps are implemented Use the value of the system clock as the time stamp. That is a transaction's time stamp is equivalent to the value of the clock when the tra
Define Atom of domain relational calculus An atom has the outline 1 , x 2 , ... , x n > -> r , in which r stands for a relation on n attributes and x 1 , x 2 , ... , x n ar
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
WHAT IS SQL
The insertion of a tuple in the aim of reference does not cause any destruction. Though, insertion of a tuple in the relation in which, we has the foreign key, for instance, in ASS
I want an iPad app that is a simple 1 page form to complete with text. The Objective is to allow a few dozen people of the same organization (they're all on iPad) to open the app,
Modular growth: In distributed environments, it is simple to expand. Latest sites can be added to the network without affecting the operations of other sites, as they are somewhat
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