The techniques included here are not only theoretical but also practical, allowing users to implement them directly in their SQL Server environments. From indexing and query optimization ...

The process of query optimization is very computationally expensive. For this reason, SQL Server stores execution ... that was initially passed in. For example: The execution plan would get ...

As you progress, you’ll get practical query optimization tips for troubleshooting underperforming queries. The book will also guide you through intelligent query processing and what is new in SQL ...

Query optimization for such system is a challenging and important problem. In this paper we describe the Query Optimizer inside the SQL Server Parallel Data Warehouse product (PDW QO). We leverage ...

The simplest example of this struggle is hierarchy ... at times might be less than optimal . With Adaptive Query Optimization in SQL Server 2017, SQL Server can evaluate the runtime of a query ...

In the example shown above, we are using a query hint to disallow batch mode and also telling SQL Server to recompile the query on ... If a query hint contradicts what is possible for query ...