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Determine the OBJECTIVES of object design
After passing through this unit, you should be able to:
What is conceptual model ? A conceptual model is a independent of both hardware and software.
Speedup Query Processing: A query that includes data at various sites can be split into sub-queries. These sub- queries can be implemented in parallel by various sites. Such parall
A model in database system mostly defines the organisation of data or structure and a set of operations on that data. Relational model is a easy model in which database is represen
what is er digram given that example of hospital,bank and library er digram.
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
What are the advantages of creating a table from existing table?
A database has been designed for this beauty parlour in order for the staff to manage specific things such as bookings made by clients, payments, staff availability, level of exper
what is data link layer
Example -GRANT CREATE SESSION TO MCA12; (This command gives system level permission on creating a session - not portable) GRANT SELECT ON EMP TO MCA12; (Object level permi
Explain the Attribute inheritance Ans: Throughout the rendering of the objects in a view, attribute sets of objects higher in the view hierarchy are inherited via objects below
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