That’s right! I will solve a performance issue by adding a UNION into the query. Interested? Read on! I recently encountered a curious issue with a query. The query itself wasn’t exactly rocket science: it read data from a few tables and calculated the start and the end dates of a contract in the SELECT […]
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Browsing "Data Management"
This month’s T-SQL Tuesday is hosted by Kenneth Fisher (blog | twitter) and its subject is about security. Security is one of those subjects that most DBAs have to deal with regardless of specialty. So as something we all have to work with at some point or another what are some tips you’d like to […]
As you might have realized, this is not the title of an Agatha Christie book, but rather about some nasty permission issue I encountered with SSIS. At a new project, someone mentioned me that a scheduled job has been failing for quite some time now (actually since they created the job, yay for testing!). So […]
Here is an overview of the articles I published in the last quarter of 2014. INTENSE SCHOOL MCSE Prep: Overview of T-SQL Windowing Functions Part 1 MCSE Prep: Overview of T-SQL Windowing Functions Part 2 The third and final part of this series will probably be published this month, so keep an eye on the site […]
I recently published an article on MSSQLTips.com titled Format Durations in SQL Server Analysis Services. For those who haven’t read it I’ll summarize it quickly: it explains how to create an MDX formula that formats durations into an [hh]:mm:ss format, where [hh] can go over 24 hours. For more detailed information, please check out the […]
The recording of the webinar I did for the PASS BI virtual chapter is live! (Quick reminder: it was the same session as on the SQLServerDays: How to (not) torment your fellow SSIS developer?) I’m quite pleased with the recording, although I sound like a drunk German scientist sometimes. The slides can be downloaded here. Let […]
I was recently contacted by the fine gents of Webucator, an online training services provider. In order to promote their SQL Server classes, they are doing a free series called SQL Server Solutions from the Web where they show different SQL Server solutions found in blog posts around the web. Essentially, they are turning blog posts […]
On November 17th 2PM CET I will redo my SQL Server Days presentation How to (not) torment your fellow SSIS developer? for the PASS BI virtual chapter. This is great news for the people who couldn’t attend my session at the SQL Server Days and who still want to see it (I hope those people […]
Here is an overview of the articles I published in the third quarter of 2014. INTENSE SCHOOL MCSE Prep (SQL) – Using Parameters in Reporting Services Reports (Part 2) Book Review: SQL Server 2012 Integration Services Design Patterns MSSQLTIPS Adding Custom Reports to SQL Server Management Studio More Text Analysis with the SSIS Term Lookup […]
Some time ago I was writing some windowing functions on a set of data. Basically I was looking for the last date an event had occurred for each type of event. Let’s illustrate with an example: CREATE TABLE dbo.TestOver (ID INT IDENTITY(1,1) PRIMARY KEY NOT NULL ,[Group] CHAR(1) NOT NULL ,Value INT NOT NULL); INSERT […]