TSQL Challenge 37 - Calculate the downtime and duration of servers bas
This is a challenge to identify the downtime of servers from the log data generated by a monitoring application.
How to execute a DOS command when xp_cmdshell is disabled
For security reasons many sites disable the extended stored procedure xp_cmdshell, which is used to run DOS commands or executables. When you really have to run a DOS command or an executable from a stored procedure how can you get around this limitation without a breakdown in security.
Linking to the Previous Row
One common problem in querying is to reference the previous row in a data set as part of a calculation. David McKinney brings us an interesting solution using SQL Server 2005.
Personal Investments
This Friday Steve Jones talks about your career, and training, and what you are doing about it.
Expert Analysis: A Case for Socialization of Data
It's time to integrate social data, enterprise analytics and enterprise data for better social-media strategy.
Beyond Automation
Are there some things that are beyond automation in your company? Steve Jones comments on the difficulty of changing things with automation in some cases.
Convert Mirroring to Log Shipping
Describes how to convert database mirroring to log shipping in SQL 2005/2008.
Additional Columns in StreamInsight Event Flow Debugger
This tool is excellent when investigating what is going on in your StreamInsight Streams. I was looking through the menu items recently and went to Query => Event Fields I found that there were a couple of columns not added by default to the event viewer (Reminds me of the fact that the Variables viewer in SSIS hides columns also) Latency NewEndTime EnqueueTime Here they all are together. This gives us even more information about what is going on
Can you set a pagefile more than 4GB?
Can you set a pagefile on a Windows machine to more than 4GB? Stanley Chan shows us how after an issue with a crashed Windows machine.
Penalties
Terry Childs gets sentenced for refusing to turn over passwords to his boss. Steve Jones reminds us that we work for someone and that we have to remember that when taking a stand.
Blogs
Track SQL Server Configuration Changes Using the Error Log
By SQLPals
Track SQL Server Configuration Changes Using the Error Log If you...
Data Engineering Books Worth Having on Your Shelf (or your tablet)
Good documentation gets you started. Good books get you deep. After years of working...
SSMS Evaluation – future ready
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
Forums
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SQL Server Showing Out of Space But Plenty of Drive Space
We have a SQL Server installed. We have a 500GB drive for the database....
Question of the Day
Creating a JSON Document IV
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 YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers