Data Mining

January 2001

Explore the Microsoft data-mining architecture and data-mining algorithms -- including decision trees and cluster analysis -- and the Analysis Services Time Dimension.

Answer to Recursion Challenge

By Itzik Ben-Gan

Here's the answer to the recursion challenge that SQL Server MVP Itzik Ben-Gan presented in the T-SQL Black Belt article "Manipulating Hierarchies with UDFs."

Manipulating Hierarchies with UDFs

By Itzik Ben-Gan

Itzik Ben-Gan demonstrates how to use user-defined functions (UDFs) in hierarchical environments and how powerful UDFs can be for enhancing hierarchical data-manipulation capabilities.

December MDX Puzzle Solution Revealed

By Russ Whitney

Here's the answer to December's MDX Puzzle.

Custom Rollups

By Russ Whitney

Analysis Services' custom rollups feature lets you build custom aggregation formulas to solve complex business problems.

Readers' Tips and Tricks

By

Readers revisit November 2000's stored procedure to generate a job schedule report.

Test Your Recursion Powers!

By Itzik Ben-Gan

To test your understanding of recursion and user-defined functions (UDFs), solve this puzzle.

The Right Place for Calculated Members

By Yoram Levin

Add a special dimension to your cube to hold calculations.

Profiler's Blackbox Feature

By Kalen Delaney

Learn how to use event tracing with SQL Server 2000's improved blackbox feature to find the cause of a server crash.

What's New in T-SQL

By Michael Otey

Check out Michael Otey's picks for the seven most useful T-SQL enhancements in SQL Server 2000.

What Time Is It?

By Yoram Levin

Use Analysis Services' and OLAP Services' Time dimension and MDX time-aware functions to slice and dice your data by time periods.

Customize Time Dimension Member Names

By Yoram Levin

Here's how to customize the Time dimension names that the Dimension Wizard generates.

Data Mining in SQL Server 2000

By Barry de Ville

Learn about the basics of data mining, Microsoft's data-mining architecture, and how it all fits into SQL Server 2000.

Upgrade Your E-Performance

By Jeffrey Bane

Adding a little redundancy to your e-commerce database can yield big performance gains.

The Route to Scalability

By Michael Otey

Scale-out technology meets high-end scalability needs, but scaling up is simple and adequate for most companies.

January MDX Puzzle

By Russ Whitney

Check out January's MDX puzzle.

The Zen of Recursion

By Chris Behrens

Use SQL Server to recursively traverse hierarchies in your database.

Microsoft Sends Oracle a Cease-and-Desist Order

By Paul Thurrott

Despite a Microsoft cease-and-desist order enjoining Oracle from misrepresenting SQL Server's capabilities, Oracle CEO Larry Ellison continues to publicly debunk SQL Server's benchmarking results.

SQL Server Profiler and Web Apps

By Ken Spencer

Use SQL Server Profiler to find out how efficiently your Web application executes code in SQL Server.

Questions, Answers, and Tips

By Brian Moran

Learn how to find tables that don't have indexes, how SQL Server joins on columns of different data types, and more.

Securing SQL Server Tables

By Rick Dobson

In this second article in a security series, Rick Dobson shows you how to set up SQL Server account security through Access projects.

Microsoft Releases SQL Server CE

By Paul Thurrott

The new SQL Server 2000 Windows CE Edition offers small-size portability, familiar tools, and replication features.

Using Recursion to Solve the Hanoi Towers Puzzle

By Itzik Ben-Gan

An example of a recursive algorithm that doesn't have a simple, intuitive, nonrecursive solution is a puzzle called Hanoi Towers.

Installing the XML for SQL Web Release

By Michael Otey

Microsoft's XML for SQL Web Release includes support for two new XML integration features: updategrams and bulk load.

Answers from Microsoft

By Richard Waymire

Richard Waymire answers readers' SQL Server questions about query optimizer behavior, DBCC reports, and a COM error.

XML Q&A

By Rich Rollman

Rich Rollman answers readers' questions about using XML to populate a nonbrowser-based application, using ADO with XML, and finding XML books for beginners.

Tip: Executing OS Commands from OSQL or ISQL

By Brian Moran

For simple OS-level batch file processing, OSQL and ISQL can quickly and effectively meet your needs.

XML Updategrams

By Michael Otey

SQL Server 2000's new XML for SQL Web Release supports updategrams, which let you use XML documents to update your databases.

Database Scanner 4.0.1

By Brian Knight

Lock down your SQL Server 7.0 and 6.x systems with Internet Security Systems' security-scanning tool.

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