Download - MS DevDay - SQLServer 2014 for Developers
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SQL Server 2014 for DevelopersDenis ReznikMicrosoft MVP (SQL Server)Director of R&D at TFG an Intapp Company
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• Denis Reznik• Kiev, Ukraine• Director of R&D at TFG an Intapp Company• Microsoft MVP• Leader of Kyiv SQL Server User Group• Co-author of “SQL Server MVP Deep Dives
vol. 2”• Community enthusiast
ABOUT SPEAKER
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SQL Server 2014 Hidden Features
SQL Server 2014 Killer Features
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• Updatable Columnstore Indexes• Resource Governor for IO• Backup Encryption• Online Operations Improvements• AllwaysOn Improvements• Buffer Pool Extensions• InMemory OLTP (Hekaton)
KILLER FEATURES
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• Cardinality Estimation Improvements• Query and Plan Fingerprints• Delayed Durability• TempDB Enhancements
HIDDEN FEATURES
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CARDINALITY ESTIMATION
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CARDINALITY
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500
1000
10
1200
800
1 800 2000 2800 4500 5400
SELECT * FROM UsersWHERE Id BETWEEN 2100 AND 2500
STATISTICS
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Cardinality Estimation
DEMO
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QUERY AND PLAN FINGERPRINTS
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QUERY PROCESSING
Parser Algebrizer Optimizator Executor
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Query and Plan Fingerprints
DEMO
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DELAYED DURABILITY
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Buffer PoolData Cache
Database File
Access Methods
Buffer Manager
Transaction Log
Log Manager
Log Buffer
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Delayed Durability
DEMO
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TEMPDB ENHANCEMENTS
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TempDB Enhancements
DEMO
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• Cardinality Estimation Improvements• Query and Plan Fingerprints• Delayed Durability• TempDB Enhancements
SUMMARY
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THANK YOU!
http://reznik.uneta.com.ua @[email protected]://www.facebook.com/denis.reznik.5https://www.linkedin.com/pub/denis-reznik/3/502/234
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Thank You!