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TYPES and RELATIONSHIP

What are the 3 degree types of relationships?

Ans:

Unary (one-to-one) Binary (one-to-many) Ternary (many-to-many)

What are the 3 cardinality of relationships?

Ans:

One-to-One One-to-Many Many-to-Many

What are the 4 cardinality constraints of relationships?

Ans:

Mandatory One Mandatory Many Optional one Optional Many

What are the 3 cardinality of relationships?

Ans:

Entities Relationship Attributes

What are the 2-subtype discriminator?

Ans:

Disjoint Overlapping

What are the types of Normal Forms?

Ans:

First Normal Form, Second Normal Form, Third Normal Form, Fourth Normal Form, Fifth Normal Form, Boyce Codd Normal Form, Domain Key Normal Form

What are the 3 terms in Domain Key Normal Form?

Ans:

Constraints Key Domain