Fujitsu UDS/SQL V2.5 Manuale Utente
User interface
Subschema DDL
U929-J-Z125-9-76
191
D
ok
us
c
h
abl
on
en
1
9x
24 V
e
rs
ion
7
.3
us
f
ü
r F
ram
eM
ak
er
V
7
.x
v
o
m
1
4.
02
.2
00
7
©
c
o
gni
tas
Gm
b
H
20
01-
20
07
18
. Ok
tobe
r 20
07
S
ta
nd
1
1:
29
.4
9
P
fa
d:
G
:\
v
og
t\
fs
c
\ud
s
\M
anu
al
e
\e
n\
ud
s
e
nt
_e\
u
ds
ent
.k
0
6
Grouping record elements into a group item
level-number-1 group-item-name[ GROUP-USAGE IS NATIONAL]
[ OCCURS integer TIMES].
[ OCCURS integer TIMES].
{level-number-2 record-element-name PICTURE.....
USAGE.....
OCCURS.....}....
USAGE.....
OCCURS.....}....
A group item is a named group of record elements within a record type. A record element
can be an item, a vector or even a group item.
can be an item, a vector or even a group item.
group-item-name
specifies the name of a group item.
record-element-name
specifies the record element to be declared part of the group item. This
can be:
–
a record element to be copied from the schema into the subschema. It is copied as
described on pages
described on pages
if it is a vector
or as described on
if it is a repeating group.
–
a group item, which is defined as described in this section.
level-number-2
must be greater than level-number-1.
The following applies for all record elements which are to be grouped into a group item:
Record elements must have the same level number if they have the next higher group item
in common.
Record elements must have the same level number if they have the next higher group item
in common.
You use the GROUP-USAGE clause to declare a national data group, i.e. a data group
which is treated in its entirety like a national data item. The GROUP-USAGE clause may
only be specified if all lower-ranking record elements are of the type NATIONAL and level-
number-1
which is treated in its entirety like a national data item. The GROUP-USAGE clause may
only be specified if all lower-ranking record elements are of the type NATIONAL and level-
number-1
is not equal to 01.