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Is it possible to GROUP BY multiple columns using MySQL?
Is it possible to GROUP BY more than one column in a MySQL SELECT query? For example:
7 Answers
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Which rows are returned when using LIMIT with OFFSET in MySQL?
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Troubleshooting “Illegal mix of collations” error in mysql
...g the below error when trying to do a select through a stored procedure in MySQL.
16 Answers
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Storing SHA1 hash values in MySQL
...estion which occured when I wanted to store the result of a SHA1 hash in a MySQL database:
7 Answers
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MySQL: What's the difference between float and double?
...someone changed a field from float to double. Wondering why, I checked the mysql documentation, but honestly didn't understand what the difference is.
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关于我们 · App Inventor 2 中文网，少儿编程陪伴者
... 我家孩子在App Inventor 2 中文网的少儿编程课程中学到了如何设计自己的App，现在他已经可以独立开发一些简单的小应用了。很高兴看到他对于编程的兴趣和自信的提升！ ...
Duplicating a MySQL table, indices, and data
How do I copy or clone or duplicate the data, structure,
and indices of a MySQL table to a new one?
10 Answers
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How can I make SQL case sensitive string comparison on MySQL?
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http://dev.mysql.com/doc/refman/5.0/en/case-sensitivity.html
The default character set and collation are latin1 and latin1_swedish_ci, so nonbinary string comparisons are case insensitive by default. This means that if you search wi...
VIP会员中心 · App Inventor 2 中文网，少儿编程陪伴者
... 我家孩子在App Inventor 2 中文网的少儿编程课程中学到了如何设计自己的App，现在他已经可以独立开发一些简单的小应用了。很高兴看到他对于编程的兴趣和自信的提升！ ...
理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...码：
with open("/tmp/foo.txt") as file:
data = file.read()
with如何工作？
while this might look like magic, the way Python handles with is more clever than magic. The basic idea is that the statement after with has to evaluate an object that responds to an __enter__() as well as an ...