What is lossy decomposition?

 Question:-

What is lossy decomposition?

lossy decomposition

The decompositions R1, R2, R2… Rn for a relation schema R are supposed to be Lossy if there characteristic join results into additon of unessential tuples with the first connection R.

There is loss of data as unessential tuples are added into the connection after characteristic join of decompositions. Consequently, it is additionally alluded to as thoughtless decompositions.

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