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A weak entity has a primary key that is partially or totally derived from the parent entity in the relationship.
Q5: If an employee within an EMPLOYEE entity
Q8: Only a single attribute, not multiple attributes,
Q24: In the _ model, each parent can
Q28: Composite primary keys are particularly useful as
Q32: _ is a disadvantage of a DDBMS.<br>A)
Q43: A remote transaction, composed of several requests,
Q43: A trigger is procedural SQL code that
Q51: A CUSTOMER table's primary key is CUS_CODE.
Q65: The associative entity is also known as
Q85: There is a growing trend toward _