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【解决】mysql_real_connect: Can\'t connect to local MySQL server throu...
【解决】mysql_real_connect: Can't connect to local MySQL server through socket '/tmp/mysql.sock'cant-connect-to-local-mysql-server-through-socket-tmp-mysql-sockmysql_real_connect: Can& 39;t connect to local MySQL server through socket & 39; tmp mysql sock& 39;解决方法(挨个试):1、ln...
How to show the last queries executed on MySQL?
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For those blessed with MySQL >= 5.1.12, you can control this option globally at runtime:
Execute SET GLOBAL log_output = 'TABLE';
Execute SET GLOBAL general_log = 'ON';
Take a look at the table mysql.general_log
If you prefer to output to a ...
从估值5千万到一无所有 90后的他感觉梦境一场 - 资讯 - 清泛网 - 专注C/C++...
...1000万元天使轮融资之后,夏军写了两篇文章,《94年大叔如何撬动900亿宠物市场》和《刚毕业,我是如何拿到千万投资》。他突然意识到,自己很有可能成为余佳文、温城辉之后的又一个90后创业代表。光从年龄看,他甚至比后...
How do you uninstall MySQL from Mac OS X?
I accidentally installed the PowerPC version of MySQL on my Intel Mac in Snow Leopard, and it installed without a problem but of course doesn't run properly. I just didn't pay enough attention. Now when I try to install the correct x86 version it says that it can't install because a newer version is...
How to do 3 table JOIN in UPDATE query?
...need a visual aid to get your joins correct: browse-tutorials.com/tutorial/mysql-joins-visual-representation
– ram4nd
Jan 27 '17 at 9:29
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Convert MySQL to SQlite [closed]
Is it possible to convert from MySQL to SQLite with a free tool on windows?
15 Answers
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Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?
...ive and safest way I've found, as explained here for hypothetical ~/my/web/root/ directory for your web content:
For each parent directory leading to your web root (e.g. ~/my, ~/my/web, ~/my/web/root):
chmod go-rwx DIR (nobody other than owner can access content)
chmod go+x DIR (to allow "users" ...
How to select the nth row in a SQL database table?
... http://troels.arvin.dk/db/rdbms/#select-limit.
Basically, PostgreSQL and MySQL supports the non-standard:
SELECT...
LIMIT y OFFSET x
Oracle, DB2 and MSSQL supports the standard windowing functions:
SELECT * FROM (
SELECT
ROW_NUMBER() OVER (ORDER BY key ASC) AS rownumber,
columns
F...
Howto: Clean a mysql InnoDB storage engine?
Is it possible to clean a mysql innodb storage engine so it is not storing data from deleted tables?
2 Answers
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
...upgrading to rails 4.2.4 (also with rails 4.1.5) try using this version of mysql2:
gem 'mysql2', '~> 0.3.18'
Apparently mysql2 isn't still compatible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question by me 8 September 2015 so use the above lin...
