大约有 7,000 项符合查询结果(耗时:0.0250秒) [XML]

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Solving a “communications link failure” with JDBC and MySQL [duplicate]

I'm trying to connect to the local MySQL server but I keep getting an error. 25 Answers ...
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How do I quickly rename a MySQL database (change schema name)?

The MySQL manual at MySQL covers this. 48 Answers 48 ...
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Compare two MySQL databases [closed]

I'm currently developing an application using a MySQL database. 21 Answers 21 ...
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How to secure database passwords in PHP?

...in your httpd.conf or virtual hosts file file. If you do that you can call mysql_connect() with no parameters, which means PHP will never ever output your information. This is how you specify these values in those files: php_value mysql.default.user myusername php_value mysql.default.password...
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MySQL DROP all tables, ignoring foreign keys

Is there a nice easy way to drop all tables from a MySQL database, ignoring any foreign key constraints that may be in there? ...
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Should MySQL have its timezone set to UTC?

... will choose for his/her server and how he/she will store date and time. MySQL Timezone Cheatsheet Notes: Changing the timezone will not change the stored datetime or timestamp, but it will select a different datetime from timestamp columns Warning! UTC has leap seconds, these look like '2012-...
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MySql : Grant read only options?

...rants, and change it around to create a new user with similar privileges: mysql> SHOW GRANTS FOR 'not_leet'@'localhost'; +------------------------------------------------------------------------------------------------------------------------------------+ | Grants for not_leet@localhost ...
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Quick easy way to migrate SQLite3 to MySQL? [closed]

Anyone know a quick easy way to migrate a SQLite3 database to MySQL? 17 Answers 17 ...
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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12

...EC2 Linux Micro instance. Since Micro instances have only 613MB of memory, MySQL crashed every now and then. After a long search about MySQL, Micro Instance and Memory Managment I found out there is no default SWAP space for Micro instance. So if you want to avoid the crash you may need to setup a s...
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记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...使用ext3,可能会遇到这类问题,所以还是大概介绍一下如何解决: MongoDB按需自动生成数据文件:先是<DB>.0,大小是64M,然后是<DB>.1,大小翻番到128M,到了<DB>.5,大小翻番到2G,其后的数据文件就保持在2G大小。为了避免可能出...