(Koen Verbeeck) I have a query that executes quite slowly in SQL Server Management Studio, but when I transfer the data with a SQL Server Integration Services data flow, it takes even more time! The source and destination are both fast and have no bottlenecks, and there are no significant transforma
Tag: sql server
SQL Server – Defunct Filegroup and Defunct Data File
(Travis Gan) A data file becomes DEFUNCT when its respective filegroup is removed or when the data file or its filegroup is not included during the piecemeal restore in simple recovery model. Usually a filegroup can not be removed if the data file is not empty.
How SQL Server Audit Feature Helps in Data Security Management
(Vivek Karode) Data Security has rightly been among the top 5 priorities for CIO’s for many straight years. And nowadays with rise in building of applications having large user bases across the globe has resulted in dynamic data usage patterns. Access routes have been increased to accommodate thes
Row Versioning Concurrency in SQL Server
(Kalen Delaney) The optimistic concurrency model assumes that several concurrent transactions can usually complete without interfering with each other, and therefore do not require draconian locking on the resources they access.
SQL SERVER – What are Actions in SSAS and How to Make a Reporting Action
(Pinal Dave) Actions are used for customized browsing and drilling of data for the end-user. It’s an event that a user can raise while accessing the cube data. They are used in cube browsers like excel and are triggered when a user in a client tool clicks on a particular member, level, dimension, ce
SQL Server DBA Tip: One Time Schedules
(Michael K. Campbell) Most DBAs are aware that they can simply right click on a SQL Server Agent Job from within the SQL Server Management Studio GUI and start the job at any time desired by using the Start Job at Step menu command:
SSIS package fails with error : The step did not generate any output. The return value was unknown
(Mahaja) One of my customers recently ran into a very strange issue. We had many SSIS Packages that were running as a SQL Server Job.
What does PCI DSS mean for your SQL Server environment?
(Tibor Nagy) I just started working at a payments company and now everyone is talking about the prevention of data breaches and an upcoming PCI DSS audit. What is PCI DSS and what are the requirements from a SQL Server perspective?
Performance Metrics for SQL Server 2014
(Thomas LaRock) We all crave routine in our life, from the time we are babies through adulthood. Routine and familiarity. This extends to how we do performance monitoring and troubleshooting. Everyone has their favorite set of tools to help get the job done, tools that have a familiar routine involv
Join Conditions in Power Query, Part 2: Events-In-Progress, Performance and Query Folding
(Chris Webb) In my last post you saw how to join two tables together using conditions other than the built-in inner, outer and anti join conditions. However, as I mentioned, you need to be aware of some of the performance implications of using this technique – and that is the subject I’ll be looking