iSeries

DDS

for

physical

and

logical

files

Version

5

Release

3

ERserver

iSeries

DDS

for

physical

and

logical

files

Version

5

Release

3

ERserver

Note

Before

using

this

information

and

the

product

it

supports,

be

sure

to

read

the

information

in

Appendix

C,

Notices,

on

page

91.

Third

Edition

(May

2004)

This

edition

applies

to

version

5,

release

3,

modification

0

of

IBM

Operating

System/400

(product

number

5722-SS1)

and

to

all

subsequent

releases

and

modifications

until

otherwise

indicated

in

new

editions.

This

version

does

not

run

on

all

reduced

instruction

set

computer

(RISC)

models

nor

does

it

run

on

CISC

models.

Copyright

International

Business

Machines

Corporation

2001,

2004.

All

rights

reserved.

US

Government

Users

Restricted

Rights

Use,

duplication

or

disclosure

restricted

by

GSA

ADP

Schedule

Contract

with

IBM

Corp.

|||

Contents

About

DDS

for

physical

and

logical

files

v

Who

should

read

the

DDS

for

physical

and

logical

files

book

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. v

Conventions

and

terminology

used

in

the

DDS

information

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. v

Print

this

topic

.

.

.

.

.

.

.

.

.

.

.

.

. v

Whats

New

for

V5R3

in

the

DDS

for

physical

and

logical

files

information

.

.

.

.

.

.

.

.

.

. vi

Chapter

1.

Defining

physical

and

logical

files

using

DDS

.

.

.

.

.

.

.

.

.

.

. 1

Defining

a

physical

file

using

DDS

.

.

.

.

.

.

. 1

Defining

a

logical

file

using

DDS

.

.

.

.

.

.

. 1

Simple

and

multiple

format

logical

files

in

DDS

. 2

Join

logical

files

in

DDS

.

.

.

.

.

.

.

.

. 2

Specifying

record

formats

in

a

logical

file

in

DDS

3

Positional

entries

for

physical

and

logical

files

(positions

1

through

44)

.

.

.

.

.

.

.

.

.

. 4

Sequence

number

for

physical

and

logical

files

(positions

1

through

5)

.

.

.

.

.

.

.

.

.

. 4

Form

type

for

physical

and

logical

files

(position

6)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 4

Comment

for

physical

and

logical

files

(position

7)

4

Conditioning

for

physical

and

logical

files

(positions

8

through

16)

.

.

.

.

.

.

.

.

. 5

Type

of

name

or

specification

for

physical

and

logical

files

(position

17)

.

.

.

.

.

.

.

.

. 5

Reserved

for

physical

and

logical

files

(position

18)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 5

Name

for

physical

and

logical

files

(positions

19

through

28)

.

.

.

.

.

.

.

.

.

.

.

.

.

. 5

Reference

for

physical

and

logical

files

(position

29)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 19

Length

for

physical

and

logical

files

(positions

30

through

34)

.

.

.

.

.

.

.

.

.

.

.

.

. 20

Data

type

for

physical

and

logical

files

(position

35)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 23

Decimal

positions

for

physical

and

logical

files

(positions

36

and

37)

.

.

.

.

.

.

.

.

.

. 25

Usage

for

physical

and

logical

files

(position

38)

27

Location

for

physical

and

logical

files

(positions

39

through

44)

.

.

.

.

.

.

.

.

.

.

.

. 28

Chapter

2.

Keyword

entries

for

physical

and

logical

files

(positions

45

through

80)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 29

ABSVAL

(Absolute

Value)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

.

.

.

.

.

. 30

ALIAS

(Alternative

Name)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

.

.

.

.

. 31

ALL

(All)

keywordlogical

files

only

.

.

.

.

. 31

ALTSEQ

(Alternative

Collating

Sequence)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

. 32

ALWNULL

(Allow

Null

Value)

keywordphysical

files

only

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 33

CCSID

(Coded

Character

Set

Identifier)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

.

. 33

CHECK

(Check)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

. 35

CHKMSGID

(Check

Message

Identifier)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

. 36

CMP

(Comparison)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

.

.

.

.

.

. 36

COLHDG

(Column

Heading)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

.

.

.

.

. 37

COMP

(Comparison)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

.

.

.

.

.

. 37

Specifying

COMP

at

the

field

level

.

.

.

.

. 39

Specifying

COMP

at

the

select

or

omit-field

level

39

CONCAT

(Concatenate)

keywordlogical

files

only

40

DATFMT

(Date

Format)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

.

.

.

.

.

. 42

DATSEP

(Date

Separator)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

.

.

.

.

.

. 44

DESCEND

(Descend)

keyword

for

physical

and

logical

files

.

.

.

.

.

.

.

.

.

.

.

.

.

. 45

DFT

(