Question: relationships between the entities and cardinality. Q 4 SQL to RA & tree: retrieve professor who has credit hours more the 4 along with

relationships between the entities and cardinality.
Q4\SQL to RA & tree:
retrieve professor who has credit hours more the 4 along with name &
represent it into tree.
Bb_Lectured ( Lecture_id, credits, Lectured_by,)
Professor (Emp_id, name, ,)
tree:
relationships between the entities and cardinality. Q4\SQL to RA & tree:

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