SQL was so attractive in the later 1980s that many database vendors essentially stapled a SQL query processor on top of their CODASYL databases, to the great dismay of Codd, who felt that ...

That means that people doing DBA work on SQL Server frequently do not know the fundamental technical details or the processes and practices commonly used by experienced enterprise DBAs. What ARE the ...

Joey on SQL Server Deep Dive into SQL Server 2022's Query Performance Features, Part 2: PSP Optimization Reduce workload times with this handy feature that can benefit every database pro.

Spark SQL: Apache’s Spark project is for real-time, in-memory, parallelized processing of Hadoop data. Spark SQL builds on top of it to allow SQL queries to be written against data.

Denny Cherry, Consultant, Author and Microsoft MVP What is your top favorite new indexing feature in SQL Server 2016 and why? My favorite feature hands-down is the Query Store.

I've tried all kinds of combinations of selecting the top 10 with a count query but can't seem to get the 10 records to be anything but the last 10 inserted. <BR><BR>Not being a strong SQL guy ...

Designing an appropriate set of indexes can be one of the more troubling aspects of developing efficient relational database applications. Perhaps, the most important thing you can do to assure ...

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...