Planning the Development, Testing, Staging, and Production Environments for SQL Server part 1.
When asked about how to plan the ideal dev, test, staging and production SQL Server environments it’s easy to get...
2012-05-22
28 reads
Blog Posts
Shredding a simple xml structure to a single row flat table
I was helping out a user on the forums the other day where they were asking questions about shredding an...
2012-05-22 (first published: 2012-05-16)
5,389 reads
Slowing Changing Dimension (SCD) demystified – Part 3
I am wrapping up this series by finally considering the rarely used type 3 SCD.
( i.e. in most business scenarios)
Unlike...
2012-05-22
846 reads
The Tally Table and Expanding Rows
Suppose you had some data like this:
Class Limit
————— ———–
Calculus 5
History 4
Physics 2
But what you really want is this:
Class ...
2012-05-22
1,471 reads
Being careful in SSAS to not make a cube/dimension unprocessed
A big headache in SSAS, especially when dealing with a large cube, is making a change that when deployed, causes...
2012-05-21 (first published: 2012-05-16)
3,150 reads
BIxPress 3.5–Now With More Awesome!
Pragmatic Works has now released version 3.5 of the award-winning BIxPress software! For those not familiar with BIxPress it’s a...
2012-05-21
1,192 reads
Denali – Day 21: Security
Denali – Day 21: Security
Security wise Microsoft sql server is going great and on compare with other RDBMS in the market...
2012-05-21
782 reads
Is Dynamic T-SQL a Good Design Pattern?
In a recent discussion it was suggested to me that not only is dynamic T-SQL useful for things like catch-all...
2012-05-21
1,280 reads
SQL Server 2008 SP3 Cumulative Update 5 Released
Microsoft has released two new Cumulative Updates for SQL Server 2008 today. The first one is SQL Server 2008 SP3...
2012-05-21
2,028 reads
SQL Server 2012 Certifications Revamped
Reprinted from my Database Weekly editorial.
Forget what you thought you knew about SQL Server certification, as Microsoft has completely redesigned...
2012-05-21
4,338 reads
Blogs
A Last Minute Trip to the EU
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
Part 3 of 3: Tuning DiskANN — R, Alpha, L, Beam Width, Recall and Latency
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework
I’m excited to announce the release of a new open-source project that fully automates...
Forums
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Question of the Day
ORDER BY alias
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers