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  • Query Optimizer Deep Dive - Part 4

    This is the final part in a series of posts based on the content of the Query Optimizer Deep Dive presentations I have given over the last month or so at the Auckland SQL Users’ Group and the SQL Saturday events in Wellington, New Zealand and Adelaide, Australia. Links to other parts of this series: Part 1 Part 2 Part 3 Beating the Optimizer ...
    Posted to Paul White: Page Free Space (Weblog) by Paul White on April 30, 2012
  • Query Optimizer Deep Dive – Part 3

    This is the third part in a series of posts based on the content of the Query Optimizer Deep Dive presentations I have given over the last month or so at the Auckland SQL Users’ Group and the SQL Saturday events in Wellington, New Zealand and Adelaide, Australia. Links to other parts of this series: Part 1 Part 2 Part 4 Storage of Alternative ...
    Posted to Paul White: Page Free Space (Weblog) by Paul White on April 29, 2012
  • Query Optimizer Deep Dive – Part 2

    This is the second part in a series of posts based on the content of the Query Optimizer Deep Dive presentations I have given over the last month or so at the Auckland SQL Users’ Group and the SQL Saturday events in Wellington, New Zealand and Adelaide, Australia. Links to other parts of this series: Part 1 Part 3 Part 4 Cost-Based Optimization ...
    Posted to Paul White: Page Free Space (Weblog) by Paul White on April 28, 2012
  • Query Optimizer Deep Dive - Part 1

    This is the first in a series of posts based on the content of the Query Optimizer Deep Dive presentations I have given over the last month or so at the Auckland SQL Users’ Group and the SQL Saturday events in Wellington, New Zealand and Adelaide, Australia. Links to other parts of this series: Part 2 Part 3 Part 4 Introduction The motivation ...
    Posted to Paul White: Page Free Space (Weblog) by Paul White on April 27, 2012
  • Inside the Optimizer: Plan Costing

    Summary: A detailed look at costing, and more undocumented optimizer fun. The SQL Server query optimizer generates a number of physical plan alternatives from a logical requirement expressed in T-SQL.  If full cost-based optimization is required, a cost is assigned to each iterator in each alternative plan, and the plan with the lowest ...
    Posted to Paul White: Page Free Space (Weblog) by Paul White on September 1, 2010
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