IJIRCSTJournal International Journal of Innovative Research in Computer Science and Technology I S Volume 2 Issue 1 Computer Science & Engineering English January - February 2014 N N Y 2019 11 12 Computer Sciences Privacy-Preserving Updates to Databases with Security English Y 54 57 Pallavi S.Patil English Y Prof.K.B.Manwade English N Prof.G.A.Patil English N Today’s databases speak to a critical stake for numerous requisitions. There is an expanded concern for security. The accessibility of tremendous amounts of databases recording an extensive assortment of data about people makes it conceivable by essentially corresponding all the accessible databases. Likewise, delicate data about the gathering embeddings the information may be spilled from the right to gain entrance control approaches received by the anonymous database framework. A methodology could be utilized is dependent upon methods for client anonymous authentication and qualification check. So the issue of anonymous updates to confidential databases is unpredictable and requires the combo of some systems. Some protocol and systems have been proposed in the literature, which manage the anonymity, confidentiality and privacy. Still a few issues are unaddressed like n-anonymity, malicious third party and efficiency improvement of protocol. In this, three protocols that is Formation 1 protocol, Formation 2 protocol and third party protocol are proposed to deal with above issues. English Anonymous, Confidentiality, Privacy, Third party. https://ijircst.org/abstract.php?article_id=27