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What resources exist for Database performance-tuning? [closed]
...er to a not-the-same-inquiry is probably a good start.
Hidden Features of MySQL
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Best database field type for a URL
I need to store a url in a MySQL table. What's the best practice for defining a field that will hold a URL with an undetermined length?
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How can I convert bigint (UNIX timestamp) to datetime in SQL Server?
...our code must match the casing! Another point could be that your System is MySql, than the name is date_add(). Regards ;)
– Nightking
Feb 11 '17 at 10:15
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MySQL Cannot Add Foreign Key Constraint
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lol same. MySQL could use more precise error handling on this kind of stuff.
– dave
Apr 17 at 23:38
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How to change the name of a Django app?
...E <oldAppName>_modelName RENAME TO <newAppName>_modelName. For mysql too I think it is the same (as mentioned by @null_radix)
(For Django >= 1.7) Update the django_migrations table to avoid having your previous migrations re-run: UPDATE django_migrations SET app='<NewAppName>' W...
What's the difference between using INDEX vs KEY in MySQL?
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Here is a nice description about the "difference":
"MySQL requires every Key also be indexed, that's an implementation
detail specific to MySQL to improve performance."
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What's the difference between MyISAM and InnoDB? [duplicate]
...c engines you asked about (InnoDB and MyISAM) have different design goals. MySQL also has other storage engines, with their own design goals.
So, in choosing between InnoDB and MyISAM, the first step is in determining if you need the features provided by InnoDB. If not, then MyISAM is up for conside...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...导致加载和执行缓慢，所以我们就来看看Lint这个工具是如何发现优化这些问题的（当然了，Lint实际的功能是非常强大的，我们开发中也是经常使用它来发现一些问题的，这里主要有点针对UI性能的说明了，其他的雷同）。
在And...
How to use GROUP_CONCAT in a CONCAT in MySQL
If I have a table with the following data in MySQL:
7 Answers
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Why does MYSQL higher LIMIT offset slow the query down?
...30
) q
JOIN mytable t
ON t.id = q.id
See this article:
MySQL ORDER BY / LIMIT performance: late row lookups
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