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Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
why are older data models are being replaced by new data models
Difference between LEFT OUTER JOIN and RIGHT OUTER JOIN In left outer join tuples from the left-hand-side relation which do not match any tuple in the right-hand-side relation
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
Complexity : A distributed DBMS that is available, reliable, and secure is inherently more difficult than a centralised DBMS. Though, adequate data replication is essential to have
i want to database for online assignment submission system
vertical fragmentation
Create an entity relationship diagram, Database Management System
Define Assertions in SQL a. An assertion is a predicate that is expressing a condition we wish the database to always satisfy. b. Domain constraints, functional dependency
Discuss the term- Design Optimization We have seen various ways of representing the objects.The fundamental design model uses analysis model as the framework for implementati
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