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File Management - IBM

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Note: It is possible for files with large record formats (many fields) to have the<br />

same format level identifiers even though their formats may be slightly<br />

different. Problems can occur when copying these files if the record format<br />

names of the from-file and the to-file are the same. When copying such files<br />

using FMTOPT(*NONE) or FMTOPT(*MAP), it is recommended that the<br />

record format names of the from-file and the to-file be different.<br />

Table 13 summarizes the database-to-database copy operations for each value on<br />

the FMTOPT parameter.<br />

Table 13. Database-to-Database Copy Operations<br />

FMTOPT<br />

Parameter<br />

Values<br />

(see note<br />

4)<br />

ALL Field Names in<br />

From-and To-<strong>File</strong>s Are<br />

the Same (like-named)<br />

Attributes and relative<br />

order also the same (see<br />

note 1)<br />

Database <strong>File</strong> Record Formats<br />

SOME Field Names in<br />

From-and To-<strong>File</strong>s Are<br />

the Same<br />

Attributes and relative<br />

order not the same (see<br />

note 1)<br />

NO Field Names in Either <strong>File</strong> Are the Same<br />

Like-named<br />

fields have<br />

identical<br />

attributes and<br />

relative order<br />

(see note 1)<br />

Not all<br />

like-named<br />

fields have<br />

identical<br />

attributes and<br />

relative order<br />

(see note 1)<br />

*NONE Complete copy Command ends Command ends Command ends Command<br />

ends<br />

*DROP Complete copy (value<br />

ignored)<br />

*MAP (see<br />

note 2)<br />

*MAP and<br />

*DROP<br />

(see note<br />

2)<br />

Complete copy (value<br />

ignored)<br />

Complete copy (value<br />

ignored)<br />

*NOCHK Complete copy (value<br />

ignored)<br />

108 <strong>File</strong> <strong>Management</strong> V4R5<br />

Command ends If there are<br />

extra fields in<br />

the from-file,<br />

they are<br />

dropped, all<br />

others are<br />

copied. If there<br />

are extra fields<br />

in the to-file,<br />

the command<br />

ends. If there<br />

are extra fields<br />

in the from-file<br />

and in the<br />

to-file, the<br />

command ends.<br />

Complete copy<br />

(corresponding fields are<br />

mapped)<br />

Complete copy<br />

(corresponding fields are<br />

mapped)<br />

Command ends Command<br />

ends<br />

If there are extra fields in the<br />

from-file, the command ends. If<br />

there are extra fields in the to-file,<br />

they are filled, and the<br />

like-named fields are mapped. If<br />

there are extra fields in the to-file<br />

and the from-file, the command<br />

ends.<br />

Extra fields in the from-file are<br />

dropped; like-named fields are<br />

mapped; extra fields in the to-file<br />

are filled.<br />

Command<br />

ends<br />

Command<br />

ends<br />

Complete copy (direct data transfer disregarding fields) (see note 3)

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