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Determine the Objectives of object oriented design provide an overview of object oriented design; partitioning system to subsystems; describe how a software desig
Define the terms 1) physical schema 2) logical schema. Physical schema: The physical schema explains the database design at the physical level, which is the lowest level of abs
how does Btree differ from a B+ - tree?
10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the
Multiple-mode locks : It offers two locks: exclusive locks and shared locks. But why do we require these two locks? There are a lot of transactions in the database system that neve
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
please i request for your assistance in developing a case-based online phone repair
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
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
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