VLDB'04 - INDUSTRIAL SESSION 1: NOVEL SQL EXTENSIONS PIVOT and UNPIVOT: Optimization and Execution Strategies in an RDBMS and Scalable Pull-Based Caching for Erratic Data Sources Conor Cunningham César A. Galindo-Legaria Goetz Graefe A Multi-Purpose Implementation of Mandatory Access Control in Relational Database Management Systems Walid Rjaibi Paul Bird Returning Modified Rows - SELECT Statements with Side Effects Andreas Behm Serge Rielau Richard Swagerman Return to VLDB'04 Sessions ©2005 Association for Computing Machinery