Answer / prabhakar

The RENAME keyword allows you to rename record formats in
an externally described file. The external name of the
record format that is to be renamed is entered as the
Ext_format parameter. The Int_format parameter is the name
of the record as it is used in the program. The external
name is replaced by this name in the program.

To rename all fields by adding a prefix, use the PREFIX
keyword.

Answer / joy mukherjee

By RENAME we can able to rename the record format of
externally described file.

If you want to rename the fields if externally described
files either we can use EXTFLD or we can use PREFIX.
If we use both EXTFLD and PREFIX all the fields are
prefixed those are not renamed by EXTFLD.

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