Microsoft BI Certifications or Why SQL is a 4-Letter Word
A look at the BI certification experience of a senior consultant and developer. New author
2007-10-29
13,321 reads
Articles
Aggregating Correlated Sub-Queries
Every now and then you may attempt to calculate an aggregate function -- such as SUM() -- on a correlated subquery, only to encounter the following error:
2007-10-29
4,862 reads
Output Parameters
Regular columnist Robert Marda writes about the basics of using output parameters. If you're not using output params we hope this article will get you started - they are a great way to return less data to the client, perfect if you need only a few values and not a recordset/resultset.
2007-10-26 (first published: 2003-11-25)
32,973 reads
Data is at the Heart of Enterprise-Wide BI and DW, Part 3
My online series of articles has been focused on the need for businesses to "get serious" about their approach to developing an enterprise business intelligence (BI) and data warehousing (DW) capability. When pursuing this capability it is important to adopt a holistic view, followed by disciplined investment and execution.
2007-10-26
2,267 reads
Microsoft Windows PowerShell and SQL Server 2005 SMO – Part 9
Learn how to use PowerShell in conjunction with SMO to Generate an SQL Server Script.
2007-10-26
2,873 reads
Views for Abstraction
Views are one of the more basic constructs in SQL Server, but often it seems that developers are not sure when to use them. SQL Server expert DBA and trainer Andy Warren brings us a look at views as an abstraction layer in your database.
2007-10-25
5,099 reads
Celko on SQL: Natural, Artificial and Surrogate Keys Explained
SQL programming guru Joe Celko offers a classification scheme and advice on using the right keys.
2007-10-25
3,595 reads
SQL Server 2005 Express Edition - Part 8 - XCopy Deployment
Part 8 of our series provides an overview of User Instance model (also known as “Run As Normal User” or simply RANU) and automatic database connectivity, which serve as two primary enablers for XCopy deployment, facilitating distribution of single-user databases.
2007-10-25
1,766 reads
Date and Time in SQL Server 2008
SQL Server 2008 is well on its way to being complete and released with the release of the second CTP recently. There aren't a tremendous number of changes, but one of the more interesting ones is the changes to date and time handling in this new platform. The time and date datatypes have been separated and longtime SQL Server author Vincent Rainardi brings us a short look at how there can be used.
2007-10-24
12,805 reads
Working with Time Spans and Durations in SQL Server
What is the best way to return the "duration" of an event in SQL, given the start and end datetime values? How can we add up these durations to return grand totals? What data types should be used to return this data to our clients? How do we handle overflows, such as when hours go over 23 or minutes total up to over 59? Are there any T-SQL functions or other techniques that are useful in these scenarios?
2007-10-24
4,455 reads
Blogs
Agentic Architect – Future IT Roles (comparison)
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PlanTrace: Stop Reading Redshift EXPLAIN Plans. Start Seeing Them
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A Cloud Dependency Failure from Amazon
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I went to sleep while reading a Kindle book on my phone. I know...
Forums
SPAM Issues May 2026
We suffered a SPAM attack from May 1-6, which unfortunately corresponded with time off...
SQL Password enforcing
Hi to all We have situation at a client where someone is illegally changing...
SQL Password enforcing
Hi to all We have situation at a client where someone is illegally changing...
Question of the Day
Creating a JSON Document III
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT TOP 2
json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers