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Process to find the non-concurrent objects
Once we find out non-concurrent (mutually exclusive) objects, we can fold all objects together in one thread of process or control. On the other hand, if objects are concurrent in nature we have to assign them to, various thread of control. For illustration, withdraw and deposit operations related to a bank account can be executed in parallel (concurrently).
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
Consider the table student and list names of students in the departments other than maths and computer. SELECT std_name FRM student WHERE dept_name NOT IN (‘Maths','Computer);
Every School has many teachers and many students. Each student is assigned to one school and each teacher works for one school only. Each teacher teaches more than one subject but
This assignment is worth 45% of your final grade for this module. Marks will be awarded as follows: Prototypes (wireframe and web based prototype) You are expected
Relational Algebra is a set of basic operations used to influence the data in relational model. These operations allow the user to specify basic retrieval request. The result of re
examples of fields in a database
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Differentiate between the object oriented decomposition and the structured decomposition? Process-oriented (structural) decomposition divides a complex process, function or tas
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