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Key attribute in the ER diagram becomes the Primary key of the table.
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Convert ER Diagram into Tables - Generalization - Specialization - Aggregation - Transform ER Diagram into Tables
as columns of that table. In the STUDENT Entity, STUDENT_ID, STUDENT_NAME form the columns of STUDENT table. Similarly, LECTURER_ID, LECTURER_NAME form the columns of LECTURER table. And so on. <span>Key attribute in the ER diagram becomes the Primary key of the table. In diagram above, STUDENT_ID, LECTURER_ID, COURSE_ID and SUB_ID are the key attributes of the entities. Hence we consider them as the primary keys of respective table. Declare the forei


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