Teo Lachev

Teo
Lachev

Teo Lachev, MVP (SQL Server), MCSD, MCT, is a consultant, author, and trainer, with a focus on Microsoft Business Intelligence. His most recent book is "Applied Microsoft SQL Server 2008 Reporting Services" (Prologika Press). Teo Lachev delivers Business Intelligence training through his company, Prologika (http://www.prologika.com).

Articles
Passing Multivalued Parameters in SQL Server 2008
Table-value parameters, a new feature in SQL Server 2008, makes it easier to pass multivalued parameters. Learn how to use them.
Protect UDM with Dimension Data Security, Part 2 9
Two approaches let you use MDX expressions to easily secure UDM data: storing security policies in a factless fact table and leveraging SSAS stored procedures to integrate UDM with an external security service.
Protect UDM with Dimension Data Security
SQL Server 2005 Analysis Services offers a robust role-based security model for restricting access to Unified Dimensional Model objects and data.

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From the Blogs
Mar 17, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 21: Assigning Backup Preferences

An option when creating new AlwaysOn Availability Groups is to specify Backup Preferences. It’s also something you can easily configure once the Availability Group has been set up as well – by simply right-clicking on the Availability Group and selecting Properties – then navigating into the Backup Preferences tab.  ...More
Mar 14, 2015
Commentary

For Data Quality, Intelligent Rules Add Value to the Golden Record 6

The quest for the Golden Record to achieve a single, accurate and complete version of a customer record is worth the pursuit to attain survivorship. Record matching and consolidation are only the beginning. Melissa Data takes a new approach. Learn how to apply intelligent rules based on reference data to make smarter and better decisions for data cleansing....More
Mar 12, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 20: Avoiding Backup Fragmentation

On SQL Servers where Availability Groups (or Mirroring) isn’t in play, I typically recommend keeping a combination of on-box backups along with copying said backups off-box as well. Obviously, keeping databases AND backups on the SAME server is the metaphorical equivalent of putting all of your eggs in one basket – and therefore something you should avoid like the plague....More
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