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Hidden Gems of SQL Server 2014

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Presentation on theme: "Hidden Gems of SQL Server 2014"— Presentation transcript:

1 Hidden Gems of SQL Server 2014
Denis Reznik Data Architect at Intapp Microsoft Data Platform MVP

2 Sponsors

3 About me Denis Reznik Kyiv, Ukraine Data Architect at Intapp
Microsoft MVP Founder of Ukrainian Data Community Kyiv Co-author of “SQL Server MVP Deep Dives 2”

4 SQL Server 2014 Killer Features Hidden Features
Updatable Columnstore Indexes Resource Governor for IO Backup Encryption Online Operations Improvements AllwaysOn Improvements Buffer Pool Extensions InMemory OLTP (Hekaton) Hidden Features Cardinality Estimation Improvements Query and Plan Fingerprints Delayed Durability sys.dm_exec_query_profiles TempDB Enhancements

5 Cardinality Estimation

6 CARDINALITY

7 Statistics 1 800 2000 2800 4500 5400 SELECT * FROM Users
WHERE Id BETWEEN 2100 AND 2500 1 800 2000 2800 4500 5400

8 Cardinality Estimation
DEMO Cardinality Estimation

9 Query and Plan Fingerprints

10 QUERY PROCESSING Parser Algebrizer Optimizator Executor

11 Query and Plan Fingerprints
DEMO Query and Plan Fingerprints

12 Delayed Durability

13 Data Modification Buffer Pool Log Buffer Buffer Manager Access Methods
Data Cache Log Manager Database File Log Buffer Transaction Log

14 DEMO Delayed Durability

15 sys.dm_exec_query_profiles

16 sys.dm_exec_query_profiles
DEMO sys.dm_exec_query_profiles

17 Tempdb Enhancements

18 DEMO Tempdb Enhancements

19 SUMMARY Cardinality Estimation Improvements
Query and Plan Fingerprints Delayed Durability sys.dm_exec_query_profiles TempDB Enhancements

20 Thank You! Denis Reznik @denisreznik


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