backup all mysql database


    mysqldump -u username -ppassword –all-databases > dump.sql
    2009-08-22T15:26:33Z
    
    193
    42
    false
    backup all mysql database
    2009-08-22T15:26:33Z
    7


    SELECT COUNT(*) AS Total, SUBSTRING_INDEX(email, '@', -1) AS Domain FROM users 
GROUP BY SUBSTRING_INDEX(email, '@', -1) ORDER BY COUNT(*) DESC LIMIT 10;
    2009-07-12T17:47:15Z
    from: http://www.mendable.com/sql-trick-where-are-your-users-from/
    186
    40
    false
    count domain users using sql
    2009-07-12T17:50:03Z
    7


    -- mostra o número de usuários novos criados dia a dia
select date_format(created_at,'%d/%m/%y') as data, count(id) as total from leonardo_supertestes.users group by date_format(created_at,'%m-%d') order by date_format(created_at,'%m-%d');

-- mostra o número de testes feitos dia a dia
select date_format(created_at,'%d/%m/%y') as data, count(rate) as total from leonardo_supertestes.results group by date_format(created_at,'%m-%d') order by date_format(created_at,'%m-%d');

-- conta o número total de usuários
select count(id) from leonardo_supertestes.users;

-- conta o número total de testes feitos
select sum(hits) from leonardo_supertestes.exams;
    2009-05-24T16:45:07Z
    
    177
    40
    true
    autosimulado queries
    2009-05-24T16:45:07Z
    7


    Export
mysqldump -u username -p -h mysqlhostname databasename > databasedump.sql

Import
mysql -u username -p -h mysqlhostname databasename < databasedump.sql
    2008-10-17T02:55:50Z
    import/export a database via terminal
    76
    42
    false
    mysql dump
    2008-10-17T02:55:50Z
    7


    sudo launchctl unload -w /Library/LaunchDaemons/com.mysql.mysqld.plist
sudo launchctl load -w /Library/LaunchDaemons/com.mysql.mysqld.plis
    2008-10-17T02:54:47Z
    
    75
    42
    false
    stop/start mysql via terminal 
    2008-10-17T02:54:47Z
    7


    <?php

function backup_tables($host,$user,$pass,$name,$tables = '*'){
	
	$link = mysql_connect($host,$user,$pass);
	mysql_select_db($name,$link);
	
	//get all of the tables
	if($tables == '*')
	{
		$tables = array();
		$result = mysql_query('SHOW TABLES');
		while($row = mysql_fetch_row($result))
		{
			$tables[] = $row[0];
		}
	}
	else
	{
		$tables = is_array($tables) ? $tables : explode(',',$tables);
	}
	
	//cycle through
	foreach($tables as $table)
	{
		$result = mysql_query('SELECT * FROM '.$table);
		$num_fields = mysql_num_fields($result);
		for ($i = 0; $i < $num_fields; $i++) 
		{
			$return.= 'DROP TABLE '.$table.';';
			
			$row2 = mysql_fetch_row(mysql_query('SHOW CREATE TABLE '.$table));
			$return.= "\n\n".$row2[1].";\n\n";
			
			while($row = mysql_fetch_row($result))
			{
				$return.= 'INSERT INTO '.$table.' VALUES(';
				for($j=0; $j<$num_fields; $j++) 
				{
					$row[$j] = addslashes($row[$j]);
					$row[$j] = ereg_replace("\n","\\n",$row[$j]);
					if (isset($row[$j])) { $return.= '"'.$row[$j].'"' ; } else { $return.= '""'; }
					if ($j<($num_fields-1)) { $return.= ','; }
				}
				$return.= ");\n";
			}
		}
		$return.="\n\n\n";
	}
	
	//save file
	$handle = fopen('db-backup-'.time().'-'.(md5(implode(',',$tables))).'.sql','w+');
	fwrite($handle,$return);
	fclose($handle);
}

backup_tables('localhost','username','password','blog');

?>
    2008-09-01T00:10:48Z
    
    55
    35
    false
    php script for mysql backup
    2008-09-01T00:10:48Z
    7


    echo DROP TABLE `echo 'SHOW TABLES;' | mysql -u USER -p DATABASE | tail -n +2 | sed -e 's/$/,/'` | sed -e 's/,$/;/'
    2008-07-31T21:31:30Z
    run in shell: 
    44
    42
    false
    Drop all tables in a MySQL Database
    2008-07-31T21:31:30Z
    7


    mysqldump --al-databases -u -p > backup.sql
    2008-07-04T00:43:01Z
    
    16
    42
    false
    mysql one line all database backup
    2008-07-04T00:43:01Z
    1


    ALTER TABLE tablename AUTO_INCREMENT = 1
    2008-07-02T00:31:31Z
    
    10
    40
    false
    resets autoincrement (mysql)
    2008-07-02T00:31:31Z
    7