Database

MySQL

Wikipedia:MySQL
- InnoDB is the default storage engine for MySQL

MySQL Reference Manuals
- 4.3.1. mysqld — The MySQL Server

- 5.1.2. Server Command Options

Commands

mysql -u username -ppassword -h hostname databasename
  basic connection

MySQL Administrator Best Practices

Account management

CREATE USER 'jeffrey'@'localhost' IDENTIFIED BY 'mypass';
CREATE DATABASE [databasename];

GRANT all on userdatabase.* TO 'username'; [1]

SHOW GRANTS
SHOW GRANTS FOR 'user'@'localhost';

Create command list for showing user grants [2]

SELECT CONCAT("SHOW GRANTS FOR '",user,"'@'",host,"';") FROM mysql.user WHERE host!='localhost';

FLUSH privileges;

6.3.5. Assigning Account Passwords

SET PASSWORD FOR 'user'@'localhost' = PASSWORD('mypass');

mysqladmin -u user_name -h host_name password "newpwd"

C.5.4.1. How to Reset the Root Password

DB management

SHOW databases;
USE [db name];

SHOW tables;

SELECT table_schema "Data Base Name", sum( data_length + index_length ) / 1024 / 1024 "Data Base Size in MB" FROM information_schema.TABLES GROUP BY table_schema ;

13.8.1. DESCRIBE provides information about the columns in a table.

http://dev.mysql.com/doc/refman/5.0/en/lock-tables.html

Security

http://dev.mysql.com/doc/refman/5.1/en/default-privileges.html

Troubleshooting

5.3. MySQL Server Logs
- 5.3.1. The Error Log

4.6.7. mysqlbinlog — Utility for Processing Binary Log Files

6.2.7. Causes of Access-Denied Errors
Remote Clients Cannot Connect - #mysql wiki

SQLite

SQLite
- Categorical Index Of SQLite Documents
- SQL As Understood By SQLite

MariaDB

MariaDB Knowledge Base
- Using mysqlbinlog

Clients

Web interfaces

phpMyAdmin - still the best imo
- docs
- wiki

Chive

http://sqlbuddy.com/

Adminer - single php file
- http://en.wikipedia.org/wiki/Adminer

wget http://www.adminer.org/latest-mysql-en.php -O adminer.php
wget http://www.adminer.org/latest-en.php -O adminer.php

Admin

http://www.ssw.com.au/ssw/Standards/Rules/RulesToBetterSQLServerDatabases.aspx

mysqladmin create db_name

http://serverfault.com/questions/9948/what-is-the-debian-sys-maint-mysql-user-and-more

mysqldump

mysqldump
- http://stackoverflow.com/questions/104612/run-mysqldump-without-locking-tables
- http://www.cyberciti.biz/faq/linux-unix-mysqldump-got-error1044-access-denied/

Tools

dbdeploy is a Database Change Management tool.
- http://davedevelopment.co.uk/2008/04/14/how-to-simple-database-migrations-with-phing-and-dbdeploy.html
https://github.com/tanin47/php_db_migrate
https://bitbucket.org/stepancheg/mysql-diff/wiki/Home

dBug - "PHP version of ColdFusion’s cfdump. Outputs colored and structured tabular variable information. Variable types supported are: Arrays, Classes/Objects, Database and XML Resources."

anywhereindb - Sometime we need to find out a small piece of string in big Database. Like where is the configuration is saved, or where is Jon's Date of birth is saved. This code is search all the tables and all the rows and columns in a MYSQL Database. The code is written in PHP. For faster result, we are only searching in the varchar field.

http://sourceforge.net/projects/ajaxmytop/ - monitoring

http://dbpatterns.com/

https://github.com/victorstanciu/dbv/

http://www.maatkit.org/

Scripts

http://jetpackweb.com/blog/2009/07/20/bash-script-to-create-mysql-database-and-user/
- createdb.sh

Search Replace DB - This script was made to aid the process of migrating PHP and MySQL based websites. It has additional features for WordPress but works for most other similar CMSes.
- http://interconnectit.com/124/search-and-replace-for-wordpress-databases/

./searchreplacedb2cli.php --host localhost --user root --database test --pass "pass"
     --charset utf\-8 --search "findMe" --replace "replaceMe"
--dry-run