http://support.microsoft.com/kb/313661/EN-US/

what are the data types that are using

use nvarchar , nchar and ntext

yes http://www.sqldts.com is  a godd site for the DTS

try and share your experience with us here

declare @v-2 as varchar(10)

set @v-2 = '12.50'

select cast(@v as float) * 10

will work

But I fell it is better to chaneg the price column to float as it will increase the performances

there is tool which check your web sites against the vulnerability 

http://www.acunetix.com/wvs/ 

http://www.sqlservercentral.com/scripts/contributions/1281.asp will delete all the records in a the DEFAULT database

there no sequence objects in SQL Server

but you can find Identity type in the SQL Server

in the Enterprice Manager,select int as the data type then set Identity property to yes,...

common problem read these

http://communityserver.org/forums/ShowPost.aspx?PostID=465908

http://www.mcse.ms/archive93-2004-5-705121.html

http://www.sqldts.com/default.aspx?6,222,224,0,1

why not installing sp 4 and trying it

There is free tool called dbMaestro

http://www.dbmaestro.com/products/ActivatedbMaestro.aspx

http://www.sqlservercentral.com/columnists/dasanka/reviewdbmaestro.asp

there is free toll available for shrinking a database

http://www.codeproject.com/database/ShrinkingSQLServerTransLo.asp

I have installed SP4s just after the releasing of it. But upto now I don't have any issues.

After comparing what do you want to do

That actionis missing in your trigger