Abstract
This paper gives a summary of the secure and privacy preserving in database as a service (DaaS) from five primary techniques such as data confidentiality, data integrity, data completeness, query privacy preserving and access control policy. Data confidentiality is analyzed from the encrypted-based and division-based aspects; Data integrity and data completeness focus on the signature-based, challenge-response and probability-based aspects; Query privacy preserving and access control policy are analyzed mainly from exist problems. Finally, this paper gives the future research directions, existing problems and challenges of DaaS in the security and privacy preserving.
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