</blockquote>No it doesn't. Write a terribly long query that takes many seconds to run, and look at the estimated execution plan come to you almost instantaneously. It is the query optimizer doing its ...

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 ...

Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the performance of ISV application code. Here's how it works. Database ...

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 ...