2025-01-08
1,787 reads
Hash join
2024-12-11
1,206 reads
2024-11-27
439 reads
2024-11-13
533 reads
Hash Join Memory Grant Factors
Remember when that old DBA told you not to SELECT *? Erik Darling explains why.
2018-04-26
2,943 reads
Hash Joins on Nullable Columns
Paul White explores some less well-known query optimizer features and limitations, and explains the reasons for extremely poor hash join performance in a specific case.
2015-11-16
3,593 reads
Blogs
DiskANN Experiment — Exploring Entry Points and Graph Neighborhoods
Introduction I was experimenting with vector search in SQL Server 2025 using approximately 3.8...
T-SQL Tuesday #203: Risk and Reward
By Steve Jones
This is timely, as I’m currently on a boat in the Adriatic taking a...
dataMinds Connect 2026 – Slides & Scripts
You can find the slides and SQL scripts for my session “Spice up your...
Forums
Communication, For Incidents and Life
Comments posted to this topic are about the item Communication, For Incidents and Life
PostgreSQL psql Meta Commands: Tables
Comments posted to this topic are about the item PostgreSQL psql Meta Commands: Tables
Building a Support Ticket Triage Report with IIF() and CHOOSE() in SQL Server
Comments posted to this topic are about the item Building a Support Ticket Triage...
Question of the Day
PostgreSQL psql Meta Commands: Tables
Which of the following psql meta commands (also called backslash or slash commands) will provide information about tables within a database?
See possible answers