what is difference between normalization and
denormalization.
in normalization all tables are normalizad format or not.
what r the types of indexes are there.
what is difference b/w bitmap,b-tree,unique and function
based indexes.
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Answer Posted / karthikeyan
Denormalization is the process of attempting to optimize the
performance of a database by adding redundant data or by
grouping data.
Normalization is the process of de-composing a relation with
anomalies into a well structured relation.
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