Dear Friends,
Can any one give me a solution to my doubts?
My doubts are 1. can we add unique constraint to a table which already have duplicate rows. Is it any way that we can add unique...
Type: Posts; User: rajgeo; Keyword(s):
Dear Friends,
Can any one give me a solution to my doubts?
My doubts are 1. can we add unique constraint to a table which already have duplicate rows. Is it any way that we can add unique...
Normalisation is a process of organising data to minimize the redundancy and remove ambiguity. It involves separating database into tables and defining relationships between the tables.