jia ding wrote:
> Hi all,
> 
> I tried:
> select id, name  into table2   from table1;
>  \copy table2 to filename.txt
> in order to export 2 columns from table1 to a file.
> 
> But, I am thinking, if there is a command can combine these two command 
> together?
> Maybe, something like: \copy select id,name  from table  to filename.txt
Close.
copy tablename field1, field2 to 'filename';
http://www.postgresql.org/docs/8.1/static/sql-copy.html
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