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How to create a MySQL hierarchical recursive query
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For MySQL 8+: use the recursive with syntax.
For MySQL 5.x: use inline variables, path IDs, or self-joins.
MySQL 8+
with recursive cte (id, name, parent_id) as (
select id,
name,
parent_id
from ...
AsyncTaskLoader vs AsyncTask
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Nikolay ElenkovNikolay Elenkov
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SQL - many-to-many table primary key
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86
With a simple two-column many-to-many mapping, I see no real advantage to having a surrogate ke...
Copy text to clipboard with iOS
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Iulian Onofrei
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answered Nov 5 '11 at 19:58
samvermettesamvermette...
How to take the first N items from a generator or list in Python? [duplicate]
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8 Answers
8
Active
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List of special characters for SQL LIKE clause
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For SQL Server, from http://msdn.microsoft.com/en-us/library/ms179859.aspx :
% Any string of zero or more characters.
WHERE title LIKE '%computer%' finds all book titles with the word 'computer' anywhere in the book title.
_ Any single character.
WHERE au_fname LIKE '_ean' finds all fou...
Find nearest latitude/longitude with an SQL query
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LPL
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answered Apr 5 '11 at 7:58
KalethaKaletha
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How to redirect to a dynamic login URL in ASP.NET MVC
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answered Dec 11 '08 at 6:16
Nicholas PiaseckiNicholas Piasecki
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Is there a CSS selector by class prefix?
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382
It's not doable with CSS2.1, but it is possible with CSS3 attribute substring-matching selector...
Java: Class.this
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Rarblack
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answered Apr 3 '11 at 14:51
aioobeaioobe
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