Ways available for comparing objects - PL/SQL

Q.  The comparison methods are used for comparing objects. How many ways are available for comparing objects? (PL/SQL)
- Published on 26 Jun 15

a. 4
b. 1
c. 2
d. 5

The 2 methods used for comparing objects are
Map Method- It is a function implemented in such a way that its values depends depends upon the value of the attributes

Order Method- It implements some internal logic for comparing two objects.

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