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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...
PHP and MySQL - how to avoid password in source code? [duplicate]
I have a small PHP application storing data in a MySQL database. Currently username / password are hard-coded in the PHP code. A situation I do not really like, for example, since the code is also available in a repository.
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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...
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-...
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 ...
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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