Abstract: Data provenance is meta-information about the origin and processing history of data. We demonstrate the prove-nance analysis of SQL queries and use it for query debugging. How-provenance ...

Abstract: In many organizations, business analysts and decisionmakers frequently need to query structured data to extract insights, generate reports, or monitor key metrics. While the data itself is ...

For developers working with SQL Server, few performance tuning techniques are as essential--or as frequently misunderstood--as indexing. Done right, indexing can drastically improve application ...