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What does SQL clause “GROUP BY 1” mean?
...QL query where the GROUP BY clause consisted of the statement: GROUP BY 1 .
6 Answers
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How do I get SUM function in MySQL to return '0' if no values are found?
...ee it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with all nulls, and one with a mixture):
SQL Fiddle
MySQL 5.5.32 Schema Setup:
CREATE TABLE foo
(
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY...
How to set Python's default version to 3.x on OS X?
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21 Answers
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writing some characters like '
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edited Jul 7 '16 at 19:48
Hussein El Feky
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How to modify a pull request on GitHub to change target branch to merge into?
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Update August 2016: Change the base branch of a Pull Request finally allows for changing that ...
Unique (non-repeating) random numbers in O(1)?
I'd like to generate unique random numbers between 0 and 1000 that never repeat (i.e. 6 doesn't show up twice), but that doesn't resort to something like an O(N) search of previous values to do it. Is this possible?
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How do I test an AngularJS service with Jasmine?
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The problem is that the factory method, that instantiate the service, is not called in the exa...
Bundle ID Suffix? What is it?
...d by a period (.) — an App ID Prefix (your Team ID by default, e.g. ABCDE12345), and an App ID Suffix (a Bundle ID search string, e.g. com.mycompany.appname). [emphasis added]
So in this case the suffix is the full string com.awesomeapps.thebestapp.
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What are the differences between the BLOB and TEXT datatypes in MySQL?
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TEXT and CHAR will convert to/from the character set they have associated with time. BLOB and ...
What is the purpose of a plus symbol before a variable?
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edited Apr 10 '19 at 13:32
Daniel W.
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