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 by petkovic petkovic
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.
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From the Blogs
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Apr 15, 2014
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Save Thousands in Licensing Costs for SQL Server AlwaysOn Availability Groups

Windows Server 2012 or Windows Server 2012 R2 Standard Edition is a great way to save thousands on licensing—and save yourself some serious headaches when deploying SQL Server AlwaysOn Availabiliity Groups....More
Apr 8, 2014
blog

NoSQL: Eventual Consistency Yields Major Flaws

While I believe that NoSQL can have some places where it legitimately makes sense, I also believe that NoSQL is also the patently wrong choice for a number of different types of applications or use cases....More
Apr 1, 2014
News

SQL Server 2014 Now Available—No Joke

Initial word on the street is that SQL Server 2014 has been very stable so far—which is probably why it went to release so quickly and bypassed what would typically have been another pre-release....More
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