Hidden gems of SQL Server 2016 Denis Reznik Data Architect at Intapp, Inc. Microsoft Data Platform MVP

About me Denis Reznik Kyiv, Ukraine Data Architect at Intapp, Inc. Microsoft Data Platform MVP Co-Founder of Ukrainian Data Community Kyiv PASS Regional Mentor, CEE Co-author of “SQL Server MVP Deep Dives 2”

SQL Server 2016 Killer Features Hidden Features Query Store Temporal Tables JSON PolyBase Stretch Database R Services Always Encrypted Hidden Features Statistics Auto-Update Input Buffers Query Statistics Session Waits Functions Stats Query Hints

Statistics Auto-Update

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

Statistics Auto-Update DEMO Statistics Auto-Update

Statistics Update SQL Server 2014 and lower default behavior: 20% of rows + 500 SQL Server 2016 Dynamic threshold for tables with 25000+ rows TF 2371 for lower versions

Input Buffers

DEMO Input Buffers

Query Statistics

DEMO Query Statistics

Session Waits

DEMO Session Waits

Functions Stats

DEMO Functions Stats

Query Hints

Statistics SELECT * FROM Users u INNER JOIN Posts p ON u.Id = p.OwnerUserId WHERE u.DisplayName LIKE 'Jeff%' Users A G L S T ZZZZ Posts 1 800 2000 2800 4500 5400

DEMO Query Hints

SUMMARY Statistics Auto-Update Input Buffers Query Statistics Session Waits Functions Stats Query Hints

#sqlsattallinn Thank You! Denis Reznik @denisreznik denisreznik@outlook.com