Question

Define a Relation Schema and a Relation.​

Answer 1

Answer:

Relation schema defines the design and structure of the relation like it consists of the relation name, set of attributes/field names/column names. every attribute would have an associated domain.

Answer 2

Answer:

Relational schemas are cognitive structures that represent regularities in patterns of interpersonal relatedness and consist of expected contingences of how the (significant) other will react in a specific social situation

Explanation:

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