'User b' diaporamas de présentation

Database Access Control: Current Methods and Research Directions

Database Access Control: Current Methods and Research Directions. Lars Olson Illinois Security Lab, UIUC. Overview. Standard SQL access control syntax View-Based Access Control SQL for grant and revoke Semantics of revocation Reflective databases

699 views • 54 slides

HAPTER 4

HAPTER 4. Relational Databases. INTRODUCTION. Questions to be addressed in this chapter: How are databases different than file-based systems? Why are databases important and what are their advantages? What is the difference between logical and physical views of a database?

598 views • 46 slides

WiFi Hotspot Service Control Design & Case Study Overview

WiFi Hotspot Service Control Design & Case Study Overview. Simon Newstead APAC Product Manager snewstead@juniper.net. Agenda. Overview of different access models Identifying the user location Secure access options Case studies (as we go). WiFi control - access models PPPoE. RADIUS.

557 views • 40 slides

XL Hosted PBX Services SIP Based Services by XL

543 views • 35 slides

Spread Spectrum

Spread Spectrum. Spread Spectrum. Input is fed into a channel encoder Produces analog signal with narrow bandwidth Signal is further modulated using sequence of digits Spreading code or spreading sequence Generated by pseudonoise, or pseudo-random number generator

526 views • 31 slides

Database Transactions

Database Transactions. What Will I Learn?. Define the terms COMMIT , ROLLBACK , and SAVEPOINT as they relate to data transactions List three advantages of the COMMIT, ROLLBACK, and SAVEPOINT statements

453 views • 23 slides

Belle/Gfarm Grid Experiment at SC04

APAN Workshop Jan 27, 2005 Bangkok. Belle/Gfarm Grid Experiment at SC04. Osamu Tatebe Grid Technology Research Center, AIST. Goal and feature of Grid Datafarm. Goal Dependable data sharing among multiple organizations High-speed data access, High-performance data computing Grid Datafarm

302 views • 19 slides

Open PLM Standards versus proprietary projects solutions

975 views • 16 slides

A Grails Project : Share It!

A Grails Project : Share It!. Tetsuya Okuda. Share It! - How it works. A simple asset sharing system Each of the users has his/her own items You can rent others' items. User B: ME. Your Item(s). User A: YOU. Rent : request A to rent an item. Book an item for future rental.

224 views • 10 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title : Technical proposal for PAC Date Submitted: May 6 th , 2013 Source: Jinyoung Chun, Suhwook Kim, Han Gyu Cho (LG Electronics)

134 views • 8 slides