“SQL on everything” is the tagline associated with Presto, the query engine that was initially developed by Facebook to rapidly analyze massive amounts of data — particularly data that lay scattered ...

Often, designing databases and speeding up SQL Server queries are treated as a kind of abstract problem: A just "Find this problem, apply this solution" approach to problem solving. In practice, ...

Query optimisation remains a critical discipline in database systems, underpinning the efficiency and responsiveness of data-driven applications. By selecting optimal execution plans, modern query ...

As a consultant whose job description includes putting out performance fires, I get to see a lot of problematic queries that can dramatically harm overall server performance and throughput. Wondering ...

How It Used To Be Prior to SQL Server 2017, query processing was a monolithic process. The SQL Server query optimizer would first construct a query plan for a batch of T-SQL code, a stored procedure, ...

In part 1 of my SQL Server 2022 features series, you learned about the improvements to the cardinality estimator component of query optimization. In this installment, you will learn about another ...

A federated SQL query execution engine created at Facebook, Presto brings interactive querying to all of your data — no matter where it resides Presto! It’s not only an incantation to excite your ...