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
Why does ANSI SQL define SUM(no rows) as NULL?
The ANSI SQL standard defines (chapter 6.5, set function specification) the following behaviour for aggregate functions on empty result sets: COUNT(...) = 0 AVG(...) = NULL MIN(...) = NULL MAX(...) = ...
Oct 4 '12 at 16:49
newest relational-theory ansi-sql-standard questions feed
Hot Network Questions
has a flu or had a flu
What is the exothermic reaction of superglue with cardboard?
What is a direction vector and why should it be normalized?
Parallelizing sparse array construction
Multiply with restricted operations
Why don't the Doctors' companions speak Dinosaur?
What is Nirodh?
What axioms does ZF have, exactly?
Distinguish Activities WhatId, Whether it's Lead Id or Opportunity Id
Why does Lightroom only recognise my lens after I set the make?
Is an in-app email function useful to users?
For an HTTPS web application, is it worthwhile to encrypt the password before POSTing it, to keep a MITM attacker from harversting it?
Can I get innate precognition abilities without psionics, religion, or being a sorcerer?
Where can I eat sushi with chocolate in it?
How to fool the "try some test cases" heuristic: Algorithms that appear correct, but are actually incorrect
What can I do for my turtle that fell down three floors?
Is it okay to use symbolic links in my web server?
How to create a neon light effect in Mathematica?
How to put a site in maintenance mode by non-admin
How to stop offering a service?
Does the Polyjuice Potion Dark Mark work?
Double \prec as a single symbol?
Deducting side work sole proprietorship expenses from regular employment earnings?
What is the Elo of a player who is half as good as another player?
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 Exchange
Stack Overflow Careers
site design / logo © 2014 stack exchange inc; user contributions licensed under
cc by-sa 3.0