Updating records in the table

[MAK]

you cannot merge two source columns in an update.

try this

SQLquery = "UPDATE users " &_
"SET [Ratings] = ('"&Session("rate")&"',
[DateTime]='"&Session("time")&"')" &" where user_name ='" & Session("name") & "'"


The output of SQLQuery should be

Update users set [ratings] ='0.66',
[datetime]='12/31/2004' where
[user_name]='MAK'