What are the disadvantages of not performing database Normalization?
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The major disadvantages are:
The occurrence of redundant terms in the database causes the waste of space in the disk.
Due to redundant terms, inconsistency may also occur. If any change is made in the data of one table but not made in the same data of another table, then inconsistency will occur. This inconsistency will lead to the maintenance problem and effects the ACID properties as well.
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