I’m going to focus this discussion on SQL ... this query plan, this is from a real server where this query was taking over five minutes to run. Adding that index dropped the execution time ...

The process of query optimization is very computationally expensive. For this reason, SQL Server stores execution plans in ... Yes, you read that correctly, the time to complete this test went ...

One set of features that I really like focus on adaptive query processing ... Interleaved execution for multi-statement table-valued functions (TVFs): In older releases, SQL Server was notorious for ...