where  [Description] <> Replace([Description], '@', ' ');

update mwdia set [Description] = Replace([Description], '/', '')
where  [Description] <> Replace([Description], '/', ' '); 

update mwdia set [Description] = Replace([Description], '[', '')
where  [Description] <> Replace([Description], '[', '');

update mwdia set [Description] = Replace([Description], ']', '')
where  [Description] <> Replace([Description], ']', ''); 

update mwdia set [Description] = Replace([Description], '''', '')
where  [Description] <> Replace([Description], '''', ''); 

update mwdia set [Description] = Replace([Description], '"', '')
where  [Description] <> Replace([Description], '"', ''); 




















update mwdia set [Description] = Trim([Description])
where  [Description] <> Trim([Description]);