We have to add a foreign key column, which would be the primary key column of its strong entity. This foreign key column along with its key attribute column forms the primary key of the table.
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Convert ER Diagram into Tables - Generalization - Specialization - Aggregation - Transform ER Diagram into Tablesty is also represented as table. All the attributes of the weak entity forms the column of the table. But the key attribute represented in the diagram cannot form the primary key of this table. <span>We have to add a foreign key column, which would be the primary key column of its strong entity. This foreign key column along with its key attribute column forms the primary key of the table. In our example above, SUBJECTS is the weak entity. Hence, we create a table for it. Its attributes SUBJECT_ID and SUBJECT_NAME forms the column of this table. Although SUBJECT_ID is rep Summary
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