copyfile and create duplicate object

Can you please differentiate btw create duplicate object and copy
file...Can we get only selected records by using copyfile
command(Is there any possibility)?where this create duplicate
object will be used?
Thanks for the earlier answers ..Iam thankful to you..
Murali

On Thu, 05 Sep 2002 Buck Calabro wrote :

>If I create a table with a SMALLINT it is
>shown as being defined as being 4 digits long.
>I can insert a 5 digit long number via SQL
>but RPG does not support this length of data.

Use h extbinint.  This works for me on V5R1 compiled
TGTRLS(V4R4).

Test environment:

strsql
  CREATE TABLE SQLTABLE (SMALLINT SMALLINT
    INT INT, BIGINT BIGINT, FLOAT FLOAT,
    CHARFLD CHAR (10 ), NUMERIC NUMERIC (11 , 2),
    DECIMAL DECIMAL (11 , 2)
  insert into sqltable values(12345,12345,12345,
    12345,'12345',12345,12345)

dspffd sqltable
             Data        Field
  Field      Type       Length
  SMALLINT   BINARY       4  0
  INT        BINARY       9  0
  BIGINT     BINARY      18  0
  FLOAT      FLTDBL      16 15
  CHARFLD    CHAR           10
  NUMERIC    ZONED       11  2
  DECIMAL    PACKED      11  2

rpg program included I specs
  B    1    2 0SMALLINT
  B    3    6 0INT
  I    7   14 0BIGINT
  F   15   22  FLOAT
  A   23   32  CHARFLD
  S   33   43 2NUMERIC
  P   44   49 2DECIMAL

I presume that RPG IV includes these fields as 'B' datatype for
backward
compatibility with RPG III unless the header option extbinint is
specified,
in which case they are typed as

I    1    2 0SMALLINT
I    3    6 0INT
I    7   14 0BIGINT
F   15   22  FLOAT
A   23   32  CHARFLD
S   33   43 2NUMERIC
P   44   49 2DECIMAL

  --buck
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