Which of the following have the incorrect definitions?

i.Foreign key – An attribute of one table that is related to the cell of another table.
ii. Cell – An intersection of a row and column.
iii. Schema – Defines the structure of the database.
iv. Data dictionary – Central repository of data elements and their relationships.

A.
i

B.
i,ii,ii

C.
i, ii, iv

D.
i, ii, iii, iv

Explanation:
The correct definitions are listed below;

– Foreign key – An attribute of one table that is related to the primary key of another table.
– Cell – An intersection of a row and column.
– Schema – Defines the structure of the database.
– Data dictionary – Central repository of data elements and their relationships.