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

2. Sponsors

3. About me Denis Reznik Kyiv, Ukraine Data Architect at Intapp
Microsoft MVP
Leader of Kyiv SQL Server User Group
Co-author of “SQL Server MVP Deep Dives 2”

4. About 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