Parallel Queries on Partitioned Objects
SQL Server 2008 provides improved query processing performance for partitioned objects when running parallel plans including changes in the way parallel and serial plans are represented, and enhancements to the partitioning information provided in both compile-time and runtime execution plans. SQL Server 2008 also automates and improves the thread partitioning strategy for parallel query execution plans on partitioned objects.
In addition to the performance improvements, query plan information has been improved as well in SQL Server 2008, now providing the following information related to partitioned objects:
• The partitions accessed by the query, available in runtime execution plans.
• An optional
Get Microsoft® SQL Server 2008 R2 Unleashed now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
