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March, 2013
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March, 2013
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SQL Server KBs and Blogs
System Center Advisor is now free
Posted
2 months ago
by
SQL Server Support Content
It has been well over a year when I wrote a series of blog posts about a product called System Center Advisor. You can read these posts at this link http://blogs.msdn.com/b/psssql/archive/tags/system+center+advisor/ When Advisor was first released, this...
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SQL Server KBs and Blogs
SQL FileStream Restore and Anti-Virus
Posted
1 month ago
by
SQL Server Support Content
I encountered an interesting case with FileStream and Antivirus which I looked at with Bob Dorr, blogged about it on the PSS SQL Blog, thought I’d share that link here as well http://blogs.msdn.com/b/psssql/archive/2013/03/29/the-case-of-anti-virus-filter...
SQL Server KBs and Blogs
The Case of Anti-Virus filter drive interference with File Stream Restore
Posted
1 month ago
by
SQL Server Support Content
"Denzil and I were working on this issue for a customer and Denzil has been gracious enough to write-up a blog for all of us." – Bob Dorr From Denzil: I recently worked with a customer on a Database restore issue where the database being restored had...
SQL Server KBs and Blogs
Observing SQL Server Transaction Log Flush Sizes using Extended Events and Process Monitor
Posted
1 month ago
by
SQL Server Support Content
In this blog post we’ll take a look at how SQL Server interacts with the transaction log file using Extended Events and Process Monitor. We will see how small transactions can have a negative impact on transaction log IO throughput and how larger...
SQL Server KBs and Blogs
PowerPivot Table Import Wizard cannot find provider
Posted
1 month ago
by
SQL Server Support Content
The data source provider list in PowerPivot can often be a source of confusion for users since they equate the fact that a provider appears in the list as the provider being installed and available. Unfortunately, the list of providers is actually a static...
SQL Server KBs and Blogs
System Center Advisor is now free
Posted
2 months ago
by
SQL Server Support Content
It has been well over a year when I wrote a series of blog posts about a product called System Center Advisor. You can read these posts at this link http://blogs.msdn.com/b/psssql/archive/tags/system+center+advisor/ When Advisor was first released, this...
SQL Server KBs and Blogs
SQL Server 2012 partitioned table statistics update behavior change when rebuilding index
Posted
2 months ago
by
SQL Server Support Content
In this blog, I will talk about a couple of things related to statistics update when rebuilding index on a partitioned table. In past versions, when you rebuild an index, you will get statistics update equivalent to FULLSCAN for free. ...
SQL Server KBs and Blogs
Troubleshooting SQL Server High CPU usage using Xperf
Posted
2 months ago
by
SQL Server Support Content
Xperf/WPA is a powerful Windows tracing tool that can be used to assist in troubleshooting numerous issues on a Windows server. The utility allows for in depth tracing without the high overhead typically associated with such tracing...
SQL Server KBs and Blogs
Dissecting SQL Server physical reads with Extended Events and Process monitor
Posted
2 months ago
by
SQL Server Support Content
In this blog post I’ll (re)introduce you to a really neat tool to use alongside of SQL Server and use this tool to show you how SQL Server is handling IO under the covers. We will view the IOs as they occur, and then tie the IO back to the...
SQL Server KBs and Blogs
Ventured into BULK INSERTS
Posted
2 months ago
by
SQL Server Support Content
Recently, whilst working with bulk insert queries I came across an unexpected result set which led to some more research. Therefore, following facts/tips/tricks/workarounds might help you: If you execute the following code for example: NOTE...
SQL Server KBs and Blogs
Flat File source cannot handle file with uneven number of columns in each row
Posted
2 months ago
by
SQL Server Support Content
I hope not many people are using flat file with such kind of structure, but if you are then no worries now you don’t have to do any weird adjustments. J I took some time to figure out what is going wrong here and why it is not working, and it caused some...
SQL Server KBs and Blogs
Lookup Transform Error: Row yielded no match during lookup
Posted
2 months ago
by
SQL Server Support Content
Guys, Recently, I had to implement a lot of data warehousing solutions, hence I stumbled on an error in the SSIS Lookup transform task which I wanted to share. Most of my package tasks went on fine till it hit the below error in the Lookup task after...
SQL Server KBs and Blogs
"Cursor operation conflict" error while inserting data from flat file source to OLEDB destination
Posted
2 months ago
by
SQL Server Support Content
I was working on one of the issue related with SSIS OLEDB destination editor. Here is the scenario. We are fetching the record from the excel file and inserting into the SQL through SSIS by using flat file source and OLEDB destination. While running the...
SQL Server KBs and Blogs
Integration services packages using Execute process task with WinZip32.exe fails intermittently, when run under a SQL Server Agent Job:
Posted
2 months ago
by
SQL Server Support Content
This blog is about one of the known issues that anyone would run into when executing an Integration services package that contains an Execute Process Task calling a custom or 3 rd party executable scheduled through a SQL Agent job. The scheduled job fails...
SQL Server KBs and Blogs
Why is my Stored Procedure executed twice?
Posted
2 months ago
by
SQL Server Support Content
Yesterday morning I spent quite a few hours on a problem that almost made my crazy. It was a simple little SSIS package executing a stored procedure on my SQL and writing the data out to a disk file. I used an OLE DB Source in my Data Flow and the first...
SQL Server KBs and Blogs
switchoffset built-in function can cause incorrect cardinality estimate
Posted
2 months ago
by
SQL Server Support Content
Recently, we received a call from a customer reported that a query was slow. Upon further investigation, his query has a predicate that look like this: select * from t o where c1 >switchoffset (Convert(datetimeoffset, GETDATE()), '-04:00') ...
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