22-25 April 2026

STATISTICS IO With Query Associated Output

Proposed session for SQLBits 2026

TL; DR

This session will teach you how to map the output from STATISTICS IO (logical reads, etc.) with actual query plan in order to find which query should be analysed/query optimised. This means that logical reads and scan count, read-ahead reads, physical reads, page server reads, page server read-ahead reads, lob logical reads, lob physical reads, lob page server reads, lob read-ahead reads, lob page server read-ahead reads from STATISTICS IO are associated with actual query plan from with are extracted the following elements: missing indexes, waittypes, statistics, warnings, parameter sniffing.

Session Details

This session will teach you how to map the output from STATISTICS IO (logical reads, etc.) with actual query plan in order to find which query should be analysed/query optimised. This means that logical reads and scan count, read-ahead reads, physical reads, page server reads, page server read-ahead reads, lob logical reads, lob physical reads, lob page server reads, lob read-ahead reads, lob page server read-ahead reads from STATISTICS IO are associated with actual query plan from with are extracted the following elements: missing indexes, waittypes, statistics, warnings, parameter sniffing.

3 things you'll get out of this session

STATISTICS IO Query Optimization