Database Administrators Meta
to customize your list.
more stack exchange communities
Start here for a quick overview of the site
Detailed answers to any questions you might have
Discuss the workings and policies of this site
PostgreSQL 8.3: Slow GROUP BY on large table
I have a table with about 10 million records. I want to do a simple group by, but it's using a sequential scan and is slow... select run_id, count(*) from result group by run_id; I have an index ...
Jan 28 '13 at 16:05
newest postgresql-8.3 query-performance questions feed
Hot Network Questions
Why is Job referred to by the feminine pronoun in Job 1:15?
How can I know if someone has logged into my account?
Which one and why? don't or not to
Where does Page number and Cont. come from
Is it OK to set up passwordless `sudo` on a cloud server?
Problem aligning binary and hexadecimal numbers in siunitx table
What? No error?
How to JSON.serialize an opportunities line items?
Alphanumeric Hello World
Skip multiple iterations in loop python
What happens if I fart on someone's balls?
How to deal with players asking for an "infodump"
An exotic sequence
I have a printed version of a book does it allow me to possess an electronic copy?
What's the inspiration for the owlbear?
Maintaining a bunch of generic functions
Firmware protection on AVR and PIC controllers
How to respond to "Why shouldn't we hire you?"
Did planes crash into the WTC on 9-11?
Is Hard Link equivalent to Windows Shortcut
Right way to ask financial help
Why did Dumbledore put students in danger by not removing the vanishing cabinet from the Room of Requirement?
Ground Axiom and behaviors of continuum function
A coworker beat me to resignation. How can I resign in a professional manner?
more hot questions
Life / Arts
Culture / Recreation
TeX - LaTeX
Unix & Linux
Ask Different (Apple)
Geographic Information Systems
Science Fiction & Fantasy
Seasoned Advice (cooking)
Personal Finance & Money
English Language & Usage
Mi Yodeya (Judaism)
Cross Validated (stats)
Theoretical Computer Science
Meta Stack Overflow
Stack Overflow Careers
site design / logo © 2014 stack exchange inc; user contributions licensed under
cc by-sa 3.0