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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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Any way to select without causing locking in MySQL?
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Found an article titled "MYSQL WITH NOLOCK"
https://web.archive.org/web/20100814144042/http://sqldba.org/articles/22-mysql-with-nolock.aspx
in MS SQL Server you would do the following:
SELECT * FROM TABLE_NAME WITH (nolock)
and the MYSQL equival...
Boolean vs tinyint(1) for boolean values in MySQL
What column type is best to use in a MySQL database for boolean values? I use boolean but my colleague uses tinyint(1) .
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How to reset AUTO_INCREMENT in MySQL?
...ccurs and the current sequence value is not changed.
See How to Reset an MySQL AutoIncrement using a MAX value from another table? on how to dynamically get an acceptable value.
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CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的整个过程。CDN网络是在用户和服务器之间增加Cache层，如何将用户的请求引导到Cache上获得源服务器的数据，主要是通过接管DNS实现，下面让我们看看访问使用CDN缓存后的网站的过程：
通过上图，我们可以了解到，使用了CDN...
How to set initial value and auto increment in MySQL?
How do I set the initial value for an "id" column in a MySQL table that start from 1001?
10 Answers
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Unknown column in 'field list' error on MySQL Update query
I keep getting MySQL error #1054, when trying to perform this update query:
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How can I check MySQL engine type for a specific table?
My MySQL database contains several tables using different storage engines
(specifically myisam and innodb). How can I find out which tables are
using which engine?
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When should I use UNSIGNED and SIGNED INT in MySQL?
When should I use UNSIGNED and SIGNED INT in MySQL ?
What is better to use or this is just personal prefernce ?
Because I've seen it used like this;
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
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This answer is not correct. In the MySQL manual on the page dev.mysql.com/doc/refman/5.5/en/join.html it states: "However, the precedence of the comma operator is less than that of INNER JOIN, CROSS JOIN, LEFT JOIN, and so on. If you mix comma joins with the o...