Microsoft Sql Server 2012 High-performance T-sql Using Window Functions

Microsoft Sql Server 2012 High-performance T-sql Using Window Functions
by Itzik Ben-Gan / / / PDF


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Apply powerful window functions in T-SQL—and increase the performance and speed of your queries

Apply powerful window functions in T-SQL—and increase the performance and speed of your queries Optimize your queries—and obtain simple and elegant solutions to a variety of problems—using window functions in Transact-SQL. Led by T-SQL expert Itzik Ben-Gan, you’ll learn how to apply calculations against sets of rows in a flexible, clear, and efficient manner. Ideal whether you’re a database administrator or developer, this practical guide demonstrates ways to use more than a dozen T-SQL querying solutions to address common business tasks.

Optimize your queries—and obtain simple and elegant solutions to a variety of problems—using window functions in Transact-SQL. Led by T-SQL expert Itzik Ben-Gan, you’ll learn how to apply calculations against sets of rows in a flexible, clear, and efficient manner. Ideal whether you’re a database administrator or developer, this practical guide demonstrates ways to use more than a dozen T-SQL querying solutions to address common business tasks. Discover how to:

Discover how to:Go beyond traditional query approaches to express set calculations more efficiently

Go beyond traditional query approaches to express set calculations more efficientlyDelve into ordered set functions such as rank, distribution, and offset

Delve into ordered set functions such as rank, distribution, and offsetImplement hypothetical set and inverse distribution functions in standard SQL

Implement hypothetical set and inverse distribution functions in standard SQLUse strategies for improving sequencing, paging, filtering, and pivoting

Use strategies for improving sequencing, paging, filtering, and pivotingIncrease query speed using partitioning, ordering, and coverage indexing

Increase query speed using partitioning, ordering, and coverage indexingApply new optimization iterators such as Window Spool

Apply new optimization iterators such as Window SpoolHandle common issues such as running totals, intervals, medians, and gaps

Handle common issues such as running totals, intervals, medians, and gaps

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