| June 1999 | Vol. 22 No. 2 |
IEEE Computer Society
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Letters |
| Letter from the Editor-in-Chief | David Lomet | 1 |
| Letter from the Special Issue Editor | Surajit Chaudhuri | 2 |
Special Issue on Self-Tuning Databases and Application Tuning |
| Towards Self-Tuning Memory Management for Data Servers |   |
| Gerhard Weikum, Arnd Christian, Achim Kraiss, and Markus Sinnwell | 3 |
| DB2 Universal Database Performance Tuning | Berni Schiefer and Gary Valentin | 12 |
| Self Tuning Technology in Microsoft SQL Server |   |
| Surajit Chaudhuri, Eric Christensen, Goetz Graefe, Vivek Narasayya, and Michael Zwilling | 20 |
| Performance Challenges in Object Relational DBMSs | Muralidhar Subramanian and Vishu Krishnamurthy | 27 |
| Performance Tuning for SAP R/3 | Alfons Kemper, Donald Kossmann, and Bernhard Zeller | 32 |
| Tuning Time Series Queries in Finance: case studies and recommendations | Dennis Shasha | 40 |
Announcements and Notices |
| VLDB'99 Very Large Databases Conference | backcover |