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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 ________ _________ ________ _________ ______ __________ _________ ___ ________ _______ ______.
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