Converting Hexadecimal String Values to Alpha (ASCII) Strings
In an interesting exercise in data conversion, Stephen Lasham brings us a nice article on basic manipulations.
2008-04-25 (first published: 2007-05-17)
12,120 reads
Advanced Querying
Returning a week number for any given date and starting fiscal month
Sql Server comes with a host of built in functions such as ISNULL, CONVERT and CAST. Now if that wasn't enough rope to hang ourselves with, as of Sql Server 2000 we gained the ability to create our own user defined functions. In this article I will be looking at the three main date functions DATEADD, DATEPART and DATEDIFF (there is a fourth called DATENAME but I want to get to the end of this article before you fall asleep so I decided to leave it for another date and time! And no it doesn't foretell the name of your future blind date so it's not as interesting as it sounds anyway) Then I will be combining all three in a user defined function of our own by which time our necks will be well and truly stretched
2007-05-15
2,831 reads
The Truth Table
Truth tables are an important part of working with logical values in SQL Server. Yousef Ekhtiari brings us some T-SQL that can help you construct those many variable truth tables and ensure you are getting the results you expect.
2008-03-07 (first published: 2007-04-19)
11,453 reads
CASE function in SQL Server – part II
Part I of this series illustrated how to use simple case functions in queries. This installment discusses how to use case functions in different types of scenarios.
2008-04-04 (first published: 2007-04-12)
10,572 reads
Storing IPs in SQL Server
An IP address is something we all recognize and is a piece of data that is quite prevalent in many systems. However it is a piece of
data tha presents some challenges in its storage and retrieval. SQL Server guru David Poole presents us with a look at how you can
work with this strange formatting.
2008-02-19 (first published: 2007-04-02)
15,879 reads
The SQL Server helper table workbench
Robyn Page and Phil Factor demonstrate some set-based techniques for string manipulation and time interval-based reporting, which use helper tables rather than iterative logic or the dreaded cursor.
2007-03-28
2,039 reads
Build Date Generators and Manipulate Date and Time Data in SQL
Learn how to build date generators without loops using SQL, and some useful techniques to help you manipulate date and time data.
2007-03-15
3,878 reads
NULL Versus NULL?
Dealing with NULL data is something that often confuses new SQL Server developers, but even experienced DBAs might not understand all the intricacies of NULL operations. In a follow up to his highly acclaimed Four Rules of Null article, Michael Coles brings us a few new
tricks with NULLs.
2008-01-25 (first published: 2007-02-26)
38,372 reads
Dealing With Upper and Lower Case Data
Gregory Larsen demonstrates several examples of how to deal with different situations related to the case of character strings.
2007-02-16
2,757 reads
Tame Those Strings - Finding Carriage Returns
Expanding on his series of string manipulation in T-SQL, Steve Jones takes a look at how you go about removing those unseen characters from your strings.
2008-02-04 (first published: 2007-02-13)
12,662 reads
Blogs
Set a Runtime Variable in an Azure DevOps Pipeline
By Steve Jones
Note: I DO NOT recommend this. Any changes to a pipeline should be in...
A New Word: Symptomania
By Steve Jones
symptomania – n. the fantasy that there’s some elaborate diagnosis out there that neatly...
Query Store Keeps Switching Itself Off, Getting it Moving Again
I recently received a complaint that Query Store for a particular database was turned...
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