One of new features in SQL 2005 that I haven't seen much talk about is that you can now add aggregate functions to any SELECT (even without a GROUP BY clause) by specifying an OVER() partition for each function. Unfortunately, it isn't especially powerful, and you can't do running totals with it, but it does help you make your code a little shorter and in many cases it might be just what you need.
2007-06-20
3,806 reads
As I built out the last pieces of the original table set (Card, Vendor, and Purchase), I found a number of pieces that needed to be fixed in the design.
2007-06-19
1,737 reads
In this column, I discuss how SMO can be used to examine a database’s objects and to perform a variety of administrative tasks.
2007-06-18
2,930 reads
In this month’s installment, we will add security to the existing code and add new unit tests to prove that security.
2007-06-15
2,657 reads
This script creates 2 new system functions :fn__testregexp(@String,@Pattern) returns int execute the method test(@String) on the regular expressions @Pattern returns : 0 : no match 1 : match null : one of the parameters was null anything else : error from sp_OA procedure fn__replaceregexp(String,@Pattern,@Replace) returns varchar execute the method Replace(@String,@Replace) […]
2007-06-14 (first published: 2004-04-07)
1,910 reads
In this month’s installment, we will discuss updates based on feedback from part 2 as well as introduce automated unit testing.
2007-06-14
2,494 reads
Hello,I posted this a while ago to several web sites. Someone found an obscure bug in it and I fixed it (newest script attached below). When I posted it to you last time, it didn't show up in any of the categories that I had checked; hmmmm? However, when I searched google, you have it […]
2007-06-13 (first published: 2004-09-28)
1,807 reads
Continuing with this series on building a database system
2007-06-13
3,926 reads
This ActiveX Script runs in DTS Designer and will clean up all unused connection objects. This allows you to rename connections at will by selecting "New Connection" and typing a new name. It also allows you to copy and paste connections then rename them. Then you can cleanup leftover connections when development is complete.
2007-06-12 (first published: 2005-01-05)
463 reads
The purpose of the SqlCredit series is to demonstrate the database design and development portion of a development project. We will build a complete, functioning, tested credit card database to illustrate the complete software development lifecycle.
2007-06-12
3,306 reads
In today's data-driven world, SQL (Structured Query Language) is a blazing-hot skill. It's your...
By Steve Jones
I leave tonight for Australia. I was in London 3 days ago, so this...
By Brian Kelley
As I look at the state of information technology today, I see one constant:...
Sample data: jan 10gb feb 15gb mar 16gb april 14gb(truncate data) may 18gb june...
Everybody (well almost) knows that if you want to learn the design patterns for...
How many table hints can I include in a query?
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