Only one ststements is valid about data in RDBMS, NoSQL and blockchain

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Answer

RDBMS system is stronger in integrity and redundancy combinely compared to blockchain

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we can establish a one to one relationship between records in blockchain and a record in NoSQL system

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we can establish one to many relationship in blockchain systems because many people are interacting

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because data in blockchain are encrypted, it is no use converting it to a NoSQL system

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