• SSIS Packages executed from Visual Studio Business Intelligence Development Studio - BIDS [Design time] on a 64bit development server goes to unresponsive state during package execution.

    Through the use of this blog, I would like to address a common scenario that you would run into when executing a complex SSIS package from within the BIDS environment in a x64 bit development server, where the visual studio- BIDS environment goes to a ...read more
  • UNVIPOT TRANSFORMATION WITH A COMBINATION OF SINGLE AND MULTIPLE DESTINATION COLUMNS

    It is highly not uncommon that while using Unpivot Transformation in SSIS you feel the need to unpivot the columns to multiple destination columns along with single destination column. Dealing with them individually is easy but together is a little complicated ...read more
  • SSIS package fails with error : The step did not generate any output. The return value was unknown

    One of my customers recently ran into a very strange issue. We had many SSIS Packages that were running as a SQL Server Job. But, off late we saw all the Jobs that were running a SSIS Package failed. All other SQL Jobs were executing without any issues ...read more
  • Capping CPU using Resource Governor – The Concurrency Mathematics

    Here is what you need to know: A = πr 2 Okay, not really as that is the formula for the area of a circle but it does set the stage for this discussion.   I have been working with the CAP_CPU_PERCENT (RESOURCE POOL) setting as it relates to concurrency ...read more
  • Can I decrypt TDE enabled database if I have access to the master database’s mdf and ldf files or the master database backup?

      If someone gets access to the master database, i.e., if s/he can manage to copy the MDF, LDF or the master database backup, along with the USER database, will s/he also be able to decrypt the data? This was a question asked by one of our customers ...read more