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How to randomly select rows in SQL?
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SELECT TOP 5 Id, Name FROM customerNames
ORDER BY NEWID()
That said, everybody seems to come to this page for the more general answer to your question:
Selecting a random row in SQL
Select a random row with MySQL:
SELECT column FROM table
ORDER BY RAND()
LIMIT ...
Explanation of JSONB introduced by PostgreSQL
...is if for legacy reasons your code consuming your json is dependent on the ordering of the json fields and they can't be reordered.
– djdrzzy
Aug 15 '16 at 20:35
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MySQL select one column DISTINCT, with corresponding other columns
...terminate.". In practice I've successfully used this kind of queries with ORDER BY clause, for instance you could add ORDER BY id ASC/DESC and MySQL would return consistent results every time you would execute the query. But i would be sure whether anyone should use undocumented features in product...
Javascript shorthand ternary operator
I know that in php 5.3 instead of using this redundant ternary operator syntax:
7 Answers
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Select n random rows from SQL Server table
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select top 10 percent * from [yourtable] order by newid()
In response to the "pure trash" comment concerning large tables: you could do it like this to improve performance.
select * from [yourtable] where [yourPk] in
(select top 10 percent [yourPk] from [yourta...
How can I sort a dictionary by key?
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Standard Python dictionaries are unordered. Even if you sorted the (key,value) pairs, you wouldn't be able to store them in a dict in a way that would preserve the ordering.
The easiest way is to use OrderedDict, which remembers the order in which the element...
What is a web service endpoint?
...lication. The same web service can have multiple endpoints, for example in order to make it available using different protocols.
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How to convert a PNG image to a SVG? [closed]
...ate three initial images (one for each color). Then convert to SVG. And finally, merge the three SVG content in one file (SVG is XML based). Hope this could help... Cheers ;-)
– olibre
Oct 9 '14 at 19:21
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Linking to an external URL in Javadoc?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Declaring an enum within a class
...owing code snippet, the Color enum is declared within the Car class in order to limit the scope of the enum and to try not to "pollute" the global namespace.
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