DBPD Table of Contents September 1998

FEATURES		Online Extra Feature Charles Tupper discusses valuable techniques for optimizing the performance of logical models. Also online this month: Pratik Patel provides more DHTML tips in a special online edition of his E-Database column.
Weaving Data into Information GIO WIEDERHOLD Large systems are too expensive to integrate and maintain. Mediator services can reduce the high cost of adapting servers to changing application demands without making clients overly complex.
TPC Benchmark Secrets ALLAN PACKER Despite what vendors would have you believe, using TPC benchmarks for database sizing purposes is hardly practical--unless you know these TPC-C and TPC-D secrets.
Where Versions Meet Dimensions MICHAEL KAMFONAS Direct and indirect versioning models present different trade-offs for preserving snapshot integrity in dimensional data stores. Why not combine the best features of both into a single model?
Special Series on Temporal Database (Part 4): Transaction-Time State Tables RICK SNODGRASS Techniques for managing temporal data also apply to data that doesn't change over time. Transaction-time state tables, for example, can document the evolution of our knowledge about a static system.
COLUMNS		DEPARTMENTS
EDITOR'S BUFFER David Stodder A special announcement for subscribers. DATA ARCHITECT Terry Moriarty Why a business rule facility? VLDB VISION Richard Winter Defining the warehouse workload. WORKING WAREHOUSE Alan Simon Data warehousing top tens.	ACCORDING TO DATE C.J.Date Encapsulation: a red herring? DECISION SUPPORT Erik Thomsen An OLAP model ideal. SQL UPDATE Jim Melton The final edit. DATA-DRIVEN WORLD Ian Shoales The choice game.	ACCESS PATH Praise for Pratik. NEWS BROWSER Arbor and Hyperion intertwine. ADVERTISER INDEX How to contact this month's advertisers. PRODUCT NEWS Seagate Software's Holos 7 and more.
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