Articles

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Detecting Data Breaches

Data breaches make the news on an almost daily basis. There is no turning back, however, as we are firmly entrenched in this digital way of life. Brian Kelley discusses some of the reasons data breaches occur and what we can do to prevent them.

2018-06-26

3,121 reads

External Article

Optimizing Your Query Plans with the SQL Server 2014 Cardinality Estimator

SQL Server 2014 introduces the first major redesign of the SQL Server Query Optimizer cardinality estimation process since version 7.0. The goal for the redesign was to improve accuracy, consistency and supportability of key areas within the cardinality estimation process, ultimately affecting average query execution plan quality and associated workload performance. This paper provides an overview of the primary changes made to the cardinality estimator functionality by the Microsoft query processor team, covering how to enable and disable the new cardinality estimator behavior, and showing how to troubleshoot plan-quality regressions if and when they occur.

2018-06-26

2,974 reads

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Question of the Day

The Query Optimizer and Page Density

If I have a fillfactor set to 70%, this reduces my page density to roughly 70%. Does this affect the query plans that the optimizer chooses?

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