Database Management: Principles and Products by Charles J. Bontempo;Cynthia Maro Saracco

By Charles J. Bontempo;Cynthia Maro Saracco

This easy-to-read, certain consultant to basic database administration process (DBMS) strategies and modern applied sciences info 5 of the most well-liked advertisement DBMS choices: IBM's DB2, Oracle's Oracle, Sybase's SQL Server, Tandem's NonStop SQL/MP, and desktop affiliates' CA-OpenIngres. Covers client/server DBMSs, dispensed databases, replication, middleware, parallelism, and object-oriented help. For database directors chargeable for comparing and choosing DBMSs, in addition to for relational DBMS software programmers, approach directors, and community directors.

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The mathematical relation between the keys is such that the encrypted messages compare if and only if the unencrypted messages compare. Thus, by comparing the encrypted product received with the encrypted product that the customer downloaded from the catalog, the customer can be sure that the product he is about to pay for is indeed the product he wanted. Once the customer is satisfied with his comparison, he sends his payment token to a trusted third party. At the same time, the merchant sends the decrypting key to the third party.

Technical Report CIS-TR010-00, Computer and Information Science Department, University of Michigan-Dearborn, 2000. [7] J. D. Tygar. Atomicity in Electronic Commerce. In Proceedings of the 15th Annual ACM Symposium on Principles of Distributed Computing, pages 8–26, May 1996. [8] J. Zhou and D. Gollmann. A Fair Non-repudiation Protocol. In Proceedings of the 1996 IEEE Symposium on Security and Privacy, pages 55–61, Oakland, California, May 1996. CHAPTER 4 XML ACCESS CONTROL SYSTEMS: A COMPONENT-BASED APPROACH E.

Concluding Remarks In this paper, we have presented Author- a Java-based system for access control to XML sources. Author- supports positive and negative authorizations for browsing and authoring privileges with a controlled propagation. Core functionalities of access control and authorization base management have been implemented as Java server extensions on top of the eXcelon data server. Currently, we are setting up a comprehensive administration environment, by developing interactive tool support for the Security Officer to guide the choice of the best policy to be adopted for document protection, based on the results of document classification process.

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