select ..
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, case when right(thefield,1) = ','
then left(thefield, len(thefield)-1)
else thefield end
...
update 表名 set attr3= replace(attr3,",","");
update 表名 set attr4= replace(attr4,",","");
update 表名 set attr5= replace(attr5,",","");
cast(100000.0000 as decimal(15,2))
convert(value, decimal(12,2))
两者都行