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Explain 1st, 2nd, 3rd normalization form of data base
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Answer Posted / padma
1st normal form: first identify the repeating group of
fields n group them into separate table
2nd normal: it should be in 1st normal form and check all
fields are dependent on primary key
3nd normal form: it should be in 2nd normal form and check
all the fields r independent of any other non-key attribute
ie removes the fields that dependent on non-key
1st normal: first identify repeating fields and group them
another table
2nd normal: it should be in 1st normal form and identify
that all fields all dependent on primary key.
3nd normal: it should be in 2nd normal form and check all
fields all indpendent of other non-key attribute
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