Match the following : (i) One-to-one (ii) Relationship (iii) Many-to-many (iv) Many-to-one
A diamond denotes relationship(ii), a relationship with no arrow at either end is many to many(iii), one arrow is many to one(iv), two arrows one-to-one(i). Thus ii, iii,…
Choose your answer
Match the following :
(i) One-to-one
(ii) Relationship
(iii) Many-to-many
(iv) Many-to-one
Answer and explanation
Correct answer C
A diamond denotes relationship(ii), a relationship with no arrow at either end is many to many(iii), one arrow is many to one(iv), two arrows one-to-one(i). Thus ii, iii, iv, i. The other permutations misidentify diamond or cardinality arrow conventions. Both arrow directions and all four source figures retained in the selfcontained SVG.
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UGC NET Computer Science and Applications