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While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
What is OOM? Object oriented modeling is an approach by which modeling of systems is done by visualizing the system based on real world concepts. Object oriented modeling does
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
Write a query that display ename annual salary and comm from emp table
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
Describe the objective of Structural Diagrams The main objective of structural diagram is to visualize, construct, specify and document static aspects of a system. Their eleme
Wait-die" scheme : The idea is based on non-preventive method. It is based on a simple rule: If Ti requests a database resource that is held by T
Illustrate the collaboration and relationship diagram A collaboration is the society of interfaces, classes and other elements which work together to provide some cooperative b
what is binary relationship
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
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