I am always get few database error everyday now

[Basketmen]

I am always get few database error everyday now, the time always about 01:50:18 AM

please suggest what this errors mean and what i need to do to solve these errors




error 1

Database error in vBulletin 3.6.8:

Invalid SQL:
SELECT * FROM user WHERE vbms_alias ='unregistered';

MySQL Error : Lost connection to MySQL server during query
Error Number : 2013
Date : Monday, June 30th 2008 @ 01:50:18 AM
Script : http://www.domain.com/ajax.php?do=im...05f138df7c29e9
Referrer : http://www.domain.com/register.php?do=addmember
IP Address : 125.162.116.219
Username : Unregistered
Classname : vb_database

error 2

Database error in vBulletin :

Invalid SQL:

SELECT *
FROM datastore
WHERE title IN ('','options','bitfields','attachmentcache','forumcache','usergroupcache','stylecache','la nguagecache','products','pluginlist','cron','profilefield','bbcodecache');

MySQL Error : Lost connection to MySQL server during query
Error Number : 2013
Date : Monday, June 30th 2008 @ 01:50:18 AM
Script : http://www.domain.com/ajax.php?do=im...05f138df7c29e9
Referrer : http://www.domain.com/register.php?do=addmember
IP Address : 125.162.116.219
Username :
Classname : vb_database

error 3

Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Lost connection to MySQL server during query
/home/.juice/basketmen/domain.com/includes/class_core.php on line 274

MySQL Error :
Error Number :
Date : Monday, June 30th 2008 @ 01:50:19 AM
Script : http://www.domain.com/vbms_checkmail.php
Referrer : http://www.domain.com/f/14959-gejala...adi-kehamilan/
IP Address : 222.124.121.0
Username :
Classname : vb_database

error 4

Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Lost connection to MySQL server during query
/home/.juice/basketmen/domain.com/includes/class_core.php on line 274

MySQL Error :
Error Number :
Date : Monday, June 30th 2008 @ 01:50:20 AM
Script : http://www.domain.com/showthread.php?t=29208
Referrer : http://www.google.co.id/search?hl=id...n+Google&meta=
IP Address : 203.142.69.146
Username :
Classname : vb_database

error 5

Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Lost connection to MySQL server during query
/home/.juice/basketmen/domain.com/includes/class_core.php on line 274

MySQL Error :
Error Number :
Date : Monday, June 30th 2008 @ 01:50:20 AM
Script : http://www.domain.com/ajax.php?do=im...05f138df7c29e9
Referrer : http://www.domain.com/register.php?do=addmember
IP Address : 125.162.116.219
Username :
Classname : vb_database

error 6

Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Lost connection to MySQL server during query
/home/.juice/basketmen/domain.com/includes/class_core.php on line 274

MySQL Error :
Error Number :
Date : Monday, June 30th 2008 @ 01:50:19 AM
Script : http://www.domain.com/archive/index.php?f-203.html
Referrer :
IP Address : 125.163.209.80
Username :
Classname : vb_database

error 7

Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Lost connection to MySQL server during query
/home/.juice/basketmen/domain.com/includes/class_core.php on line 274

MySQL Error :
Error Number :
Date : Monday, June 30th 2008 @ 01:50:20 AM
Script : http://www.domain.com/vBTube.php
Referrer :
IP Address : 38.99.13.124
Username :
Classname : vb_database

error 8

Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Can't connect to MySQL server on 'mysqliindo4.domain.com' (115)
/home/.juice/basketmen/domain.com/includes/class_core.php on line 274

MySQL Error :
Error Number :
Date : Monday, June 30th 2008 @ 01:50:20 AM
Script : http://www.domain.com/ajax.php?do=im...05f138df7c29e9
Referrer : http://www.domain.com/register.php?do=addmember
IP Address : 125.162.116.219
Username :
Classname : vb_database

[Zachery]

You've got two main errors:

1. Can't Connect
2. Lost connection to MySQL server during query

Both are signs of a unresponsive/crashed/down/going down mysql server, continued issue should be checked into with your webhost.