Take a look New Roles in the msdb Database

SQL Server Agent in SQL Server 2005 adds three new roles to the msdb database:

select cast(salesdate as varchar(10)) as 'date', 

       datepart(hh,salesdate)as 'hour', 

       count(1)as PR 

from TableName  

where   salesdate >= '' and   salesdate < ''

Group By cast(salesdate as varchar(10)), 

         datepart(hh,salesdate) 

Order...

Are you sure it is not MemToLeave memory?

I have seen lot of cases of MemToLeave memory only which requires a reboot to fix it...

Almost 1.5 times of th table size not db size...

http://www.microsoft.com/technet/prodtechnol/sql/2000/maintain/ss2kidbp.mspxThe

amount of free space needed varies and is dependent on the number of indexes being created in the transaction....

Check windows COMPACT command with /U switch... 

max indicates that the maximum storage size is 2^31-1 bytes

http://msdn2.microsoft.com/en-us/library/ms186939.aspx

I didn't fine the way to uninstall ..

2000 BOL gets from C:\Program Files\Microsoft SQL Server\80\Tools\Books folder ....

http://community.bartdesmet.net/blogs/bart/archive/2005/07/26/3094.aspx

http://www.sqlservercentral.com/scripts/viewscript.asp?scriptid=1577

Restoring user database should be fine between the editions where as you can't restore system databses.

Check SAC to make sure you have enable remote connections...

For Express, developer and Eval. edition by default it is configured to local connections only...

Try...

ControlPanel/Add or Remove programs/Microsoft SQL Server 2005 Books Online (English)

then click remove...

If you are looking for monitoring tools...

QUEST and IDERA has good tools ...

http://www.sql-server-performance.com/spotlights.asp

if (@whatever = 'myvalue') OR (@whatever = 'myvalue 2')

If you want to use use VARBINARY(MAX)...

I believe IMAGE datatype is depricated in 2005...

If I am not mistaken all these option are automatically added when you create the backup using BACKUP wizard.

May be they have created the backup job using backup wizard...