1.

Match the following with respect to RDBMS:List - I(a) Entity integrity(b) Domain integrity(c) Referential integrity(d) Userdefined integrityList - II(i) enforces some specific business rule that do not fall into entity or domain(ii) Rows can't be deleted which are used by other records(iii) enforces valid entries for a column(iv) No duplicate rows in a tableCode: (a) (b) (c) (d)

A. (iii) (iv) (i) (ii)
B. (iv) (iii) (ii) (i)
C. (iv) (ii) (iii) (i)
D. (ii) (iii) (iv) (i)
Answer» C. (iv) (ii) (iii) (i)


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