Escape from ETL Hell
What often starts out as a simple, quick process, gradually expands over time, as developers use SQL Agent to schedule new data feeds, add more complex transformations...
2013-10-28
251 reads
What often starts out as a simple, quick process, gradually expands over time, as developers use SQL Agent to schedule new data feeds, add more complex transformations...
2013-10-28
251 reads
MidnightDBA and Red Gate have joined together to produce a new book on SQL Server, written by 15 first-time authors. The resulting book, TribalSQL, includes everything you should know about SQL Server that isn’t taught in traditional training, they call it Tribal knowledge.
2013-09-19 (first published: 2013-09-18)
463 reads
We know a lot about how great exponents of the DBA profession work, but the role is changing rapidly. What makes a great Data Scientist? Or a great BI specialist?
2013-06-24
303 reads
While backup to the Cloud may be useful in terms of optimizing storage across the enterprise, for DBAs it remains essential that they retain fast, easy, access to the backup files. Azure Explorer is a free tool that might help.
2013-04-29
109 reads
Is there a sound technical reason why SQL Azure can't support extended properties?
2013-02-25
204 reads
It is late evening. Something is wrong with a database. You narrow down the possibilities, getting more frustrated and puzzled. Stay calm. Check the inputs systematically. No! The data going into that table is right, but when you then read it in the table, it's wrong. Why did I stop believing in the supernatural? Then it hits you. Every time it comes as a surprise. They're using triggers. (This editorial was originally published on Nov 10, 2008)
2013-02-19 (first published: 2008-11-10)
652 reads
It is easy to become overwhelmed by server symptoms (aka metrics), in the forlorn hope that the more we collect, the clearer a picture we'll assemble of what ails the server. We should, of course, be looking at the whole patient.
2013-02-04
153 reads
Tony Davis argues that the Standards and best practices exist to avoid being hacked, but implementing them requires time and investment and often there simply doesn't seem to be the will to do it.
2012-11-26
145 reads
Index fragmentation can certainly cause performance problems, but should it really dictate the way we design our clustered indexes?
2012-10-01
414 reads
Tony Davis argues that the WITH REPLACE option of the RESTORE DATABASE command is a case where the naming of the option masks its true "JFDI" nature…
2012-04-02
169 reads
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Comments posted to this topic are about the item Let's Talk Certifications
Comments posted to this topic are about the item The Hidden Security Risks of...
Comments posted to this topic are about the item The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers