SQL Source Control - Q & A
After a webinar for SQL Source Control, there were a large number of questions left unanswered. All have been listed here, along with answers from the Red Gate development team.
2010-08-27
3,863 reads
Additional Articles
SQL Schema Comparison with Visual Studio 2010
we normally do development on the development box; then during the build preparation we compare the development database with the QA/UAT/Production database to identify differences and generate schema objects for synchronization or incremental deployment scripts. How we can compare schema objects between databases and generate synchronization or incremental deployment scripts?
2010-08-27
4,519 reads
A deadlock was detected while trying to lock variables in SSIS
Error: 0xC001405C at SQL Log Status: A deadlock was detected while trying to lock variables "User::RowCount" for read/write access. A lock cannot be acquired after 16 attempts. The locks timed out. Have you ever considered variable locking when building your SSIS packages? I expect many people haven’t just because most of the time you never see an error like the one above. I’ll try and explain a few key concepts about variable locking and hopefully you never will see that error
2010-08-26
3,320 reads
Executing SSIS Packages Using DTExec
Learn how the DTExec and DTExecUI utilities give you the ability to assign values to arbitrary properties of components within a SQL Server Integration Services package, when invoking its execution.
2010-08-24
3,224 reads
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.
2010-08-23
5,335 reads
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.
2010-08-20
1,748 reads
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
2010-08-19
1,579 reads
Run SQL Command Against Multiple Instances Without CMS
I understand that I can use Central Management Servers to run a T/SQL query against multiple instances at once - can I do this without CMS though?
2010-08-18
3,181 reads
Performing a Left Anti Semi Join in StreamInsight
Performing a LEFT OUTER JOIN in TSQL is easy. The same logic in StreamInsight requires a little more work. In this presentation I show exactly how you can perform a LEFT OUTER JOIN on your event streams. Your browser cannot play this video. Learn how to fix this.
2010-08-17
2,348 reads
Identify Databases Not in SQL Server 2008 Compatibility Level Using Policy Based Management
You need to periodically ascertain if there are any databases in your production environment which are not in SQL Server 2008 Compatibility Level. In this tip we cover the step by step process for setting up a policy to identify databases that are not in SQL Server 2008 Compatibility Level.
2010-08-16
2,317 reads
Blogs
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Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
SQL Server Enum Implementation: A Single-Row View Strategy for Avoiding Magic Values
Comments posted to this topic are about the item SQL Server Enum Implementation: A...
BIT_COUNT I
Comments posted to this topic are about the item BIT_COUNT I
Question of the Day
BIT_COUNT I
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers