petkovic petkovic

petkovic
petkovic

Dusan Petkovic is professor of database systems at the Polytechnic in Rosenheim, Germany. He is the author of several books about database systems, including SQL Server 2005: A Beginner’s Guide (Osborne McGraw-Hill). Through a special arrangement with Osborne/McGraw-Hill, we invite you to preview a chapter from Dusan's new book on SQL Server Security Email address: petkovic@fh-rosenheim.de

Articles
Open Windows of Opportunity
Aggregate and rank window functions benefit BI projects.
Taming the Skew 1
SQL Server's query optimizer effectively executes queries that access skewed data, but you can help improve the response time of such queries. Here's how.
Indexing for Sort Performance
Defining the right indexes on sort columns can yield dramatic performance results for queries that need ordered data.
Which is Faster: Index Access or Table Scan? 1
It can be difficult to determine whether a table scan or an index will provide better query performance. The answer depends in part, on the percentage of rows returned, but another important factor is whether you use a clustered or nonclustered index.
New Features for Query Processing
The query processor is one of the most important database system components that influence the management of large databases. SQL Server 7.0's focus is on new techniques for maximizing your query performance.

Digital Magazine Archives

Browse back issues of SQL Server Pro, from January 2007 through the last issue published in April 2014. Find the back issues here.

 

From the Blogs
May 18, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 24: Synchronizing SSIS Packages

In my previous post I covered options for adding “If-checks” into SSIS Packages – or SQL Server Maintenance Plans (which are, effectively, specialized SSIS packages). Once you’ve tackled that process, you’ll need to tackle something else when it comes to managing SSIS packages in conjunction with AlwaysOn Availability Groups. Or, more specifically, you’ll actually need to tackle two tasks....More
May 13, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 23: Maintenance Plan Backups and SSIS Packages

In my last post, we took a look at some of the details involved in actually implementing backups against databases being hosted in AlwaysOn Availability Groups. In addition to providing a high-level overview of how sys.fn_hadr_backup_is_preferred_replica() works, I also mentioned that integrating it into backups managed by SQL Server Maintenance Plans isn’t as easy as what you’ll run into with other types of backups....More
Apr 28, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 22: Executing Backups

Ultimately, there are a number of ways that DBAs can regularly create backups of their databases. Some of the more common options for managing backups include:...More
SQL Server Pro Forums

Get answers to questions, share tips, and engage with the SQL Server community in our Forums.

Sponsored Introduction Continue on to (or wait seconds) ×