Question: 0.31 Answer the following questions (a) Explain the difference between casual user and parametric users in DBSM. (b) Explain difference between super key of relation

0.31 Answer the following questions (a) Explain the difference between casual user and parametric users in DBSM. (b) Explain difference between super key of relation R and key of relation R (c) Explain difference between primary key and secondary key (d) Explain the entity integrity constraint (e) Explain the referential integrity constraint (0) In the context of ER diagram, explain total/partial constraint, and cardinality constraint

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