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What is object identity?
An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
Design a gennalization and specialization hierarchy for an automobile sales company
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
Why were functional methods fashionable in early days? These are inspired directly by computer architecture and thus popular among computer scientist in early days. The divisio
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
please i request for your assistance in developing a case-based online phone repair
Increases efficiency : Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, there
Mention the various user privileges All privileges directly granted to the user or role. All privileges granted to roles that have been granted to the user or role.
What is the use of group by clause? Group by clause is used to apply aggregate functions to a set of tuples. The attributes given in the group by clause are used to
need to get answer for questions 3&4 on this page in part 1
Explain the conventions for displaying an ER schema as an ER diagram? An E-R Diagram scheme might describe certain constraints to that the contents of a database must conform.
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