Kimball University: Three ETL Compromises to Avoid
Why neglecting slowly changing dimensions, failing to capture metadata and overlooking scope creep can be the undoing of a dimensional data warehousing initiative.
2010-03-11
4,390 reads
Why neglecting slowly changing dimensions, failing to capture metadata and overlooking scope creep can be the undoing of a dimensional data warehousing initiative.
2010-03-11
4,390 reads
Is your application scalable under increased activity? Timothy Claason brings us a methodology for testing how your application will deal with database load.
2010-03-10
12,669 reads
Breaking Down TempDB Contention
What is tempDB contention? From the outside looking in, tempDB contention may look like any other blocking. There...
2010-03-10
2,763 reads
If you think through the web sites you visit on a daily basis the chances are that you will need to login to verify who you are. In most cases your username would be stored in a relational database along with all the other registered users on that web site. Hopefully your password will be encrypted and not stored in plain text.
2010-03-10
3,893 reads
This article describes a way by which we could use the feature of database mail in SQL Server 2000 itself which is a lot easier than SQL Mail.
2010-03-09
8,511 reads
A chance to dive deep into SQL Server with Paul Randal and Kimberly Tripp this Spring in Boston.
2010-03-09 (first published: 2010-02-01)
5,266 reads
Steve Jones talks about one of the highlights of his year: working the door at the PASS Community Summit.
2010-03-09
106 reads
A lot of the time, the key to making SQL databases perform well is to take a break from the keyboard and rethink the way of approaching the problem; and rethinking in terms of a set-based declarative approach. Joe takes a simple discussion abut a problem with a UDF to illustrate the point that ingrained procedural reflexes can often prevent us from seeing simpler set-based techniques.
2010-03-09
3,459 reads
During a recent project I was asked if it was possible to simulate Key Performance Indicator (KPI) images in SQL...
2010-03-09
1,684 reads
This article gives a description of the iff() and DLookup() functions in Access 2007, and a method to converting them to SQL.
2010-03-08
10,985 reads
Every organization I talk to has the same problem dressed up in different clothes....
By DataOnWheels
I am delighted to host this month’s T-SQL Tuesday invitation. If you are new...
By alevyinroc
Ten years (and a couple jobs) ago, I wrote about naming default constraints to...
Comments posted to this topic are about the item The day-to-day pressures of a...
Comments posted to this topic are about the item Using OPENJSON
Comments posted to this topic are about the item Data Modeling with dbt for...
I have some data in a table that looks like this:
BeerID BeerName brewer beerdescription 1 Becks Interbrew Beck's is a German-style pilsner beer 2 Fat Tire New Belgium Toasty malt, gentle sweetness, flash of fresh hop bitterness. 3 Mac n Jacks Mac & Jack's Brewery This beer erupts with a floral, hoppy taste 4 Alaskan Amber Alaskan Brewing Alaskan Brewing Amber Ale is an "alt" style beer 8 Kirin Kirin Brewing Kirin Ichiban is a Lager-type beerIf I run this, what is returned?
select t1.key
from openjson((select t.* FROM Beer AS t for json path)) t1 See possible answers