Joe Celko explores the dangers of muddling correlation and causation, emphasises the importance of determining how likely it is that a correlation has occurred by chance, and gets stuck into calculating correlation coefficients in SQL. Along the way, Joe illustrates the consequences of leaping to the wrong conclusion from correlations with tales of Pop Dread.
2009-10-19
2,136 reads
2009-10-19
3,601 reads
2009-10-16
4,524 reads
This article will cover the core understanding of the performance conversation
2009-10-16
3,675 reads
Most SQL Server DBAs have questions about backing up and restoring FILESTREAM enabled databases. In this tip, we will take a look at the steps Database Administrators need to follow in order to perform a backup and restore of a FILESTREAM database.
2009-10-15
3,288 reads
The cornucopia of products for handling distributed data in the cloud includes everything from lightweight key-value stores to industrial-strength databases
2009-10-14
1,857 reads
The DBDiff utility compares two databases and generates a script to synchronize the two databases. In this article, MAK illustrates the various uses of the Open Diff utility.
2009-10-14
4,061 reads
How do I effectively find out if the Tempdb database is suffering from an allocation bottleneck? Should I create multiple TempDB files per core on this server to improve performance? How do I check this information programmatically?
2009-10-13
4,199 reads
With SQL Server 2008, you will have new built-in support for location based data types and supporting geospatial features. Next you will learn how these new data types work.
2009-10-13
2,899 reads
Discover how to call stored procedures and functions in MySQL from PHP using three database extensions: MySQL, MySQLi, and PDO.
2009-10-12
1,576 reads
By Brian Kelley
There's a great article from MIT Technology Review about resetting on the hype of...
By Steve Jones
etherness – n. the wistful feeling of looking around a gathering of loved ones,...
By Steve Jones
A customer was asking about tracking logins and logouts in Redgate Monitor. We don’t...
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Comments posted to this topic are about the item The Microsoft SQL Year in...
If I create a multiple column Primary Key constraint, what is the most number of bytes I can include in the constraint?
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