With SQL Server 2016, Microsoft introduced the Query Store, which promised to track statement performance over time, pinpoint regressed queries and provide a more effective way to tune. In this ...

Query Store contains some very useful reports, detailed by time period, for quickly identifying problems and areas worth investigating further. This chapter discusses the following reports: For each ...

Database statistics describe the distributing and density of column values, they are important in helping the optimizer determine if an index should be used, and if so, how it should be used. The ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Lily Mara explains how to avoid high-risk ...

Although there was significant fanfare surrounding SQL Server Query Store's initial release in SQL Server 2016, many companies have been hesitant about adopting the performance monitoring and ...

One of the most common problems when running SQL Servers is slow queries. The help desk or database team usually hears that described as the application is slow or ...