Question
Assumptions can be
made wherever necessary. Please go through the guidelines regarding assignments given in the
programme guide for the format of presentation.
Answer :
Word Count : 494
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Skip in 10
In a DBMS and Java Lab, assumptions are often necessary because practical problems may not provide complete details. Making reasonable assumptions helps in designing, implementing, and testing database applications effectively. However, such assumptions should be logical, consistent, and clearly aligned with the objectives of the given task. They should not change the fundamental requirements of the problem but should only fill in missing information required for successful implementation. While designing a database, it may be assumed that every entity has a unique primary key. For example, a Student table may contain Student_ID as the primary key, while a Course table may use Course_ID. It can also be assumed that mandatory fields such as names, IDs, or dates cannot contain NULL values unless specifically mentioned. Relationships between tables may be defined using foreign keys, assuming referential integrity is maintained throughout the database. Normalization assumptions may also be applied to
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