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Resumen del manual
Y
ou
can
cause
the
DBCPLUS
program
to
ignore
the
command
y
ou
T
erminating
a
are
curren
tly
en
tering
b
y
t
yping
t
w
o
slashes
(//)
and
pressing
the
Command
carriage
return
k
ey
.
This
returns
y
ou
to
the
DBChange
prompt
( >).
Y
ou
might
use
this
feature,
for
example,
if
y
ou
decide
not
to
execute
the
curren
t
command
or
if
y
ou
make
an
error
and
w
an
t
to
start
o
v
er.
F
or
example:
> change
it//
>
This
feature
is
only
a
v
ailable
in
in
teractive
mo
de.
Y
ou
can
execute
DBChange
Plus
commands
from
a
le
in
the
Executing
Commands
follo wing
t
w
o
w
a
ys:
from
a
File
Use
a
command
le
to
make
database
c
hanges
in
teractiv
ely
or
in
batc
h
mo
de.
This
is
useful
if
y
ou
frequen
tly
use
the
same
sequence
of
commands.
T
o
use
a
command
le
in
batc
h
mo
de,
it
m
ust
b e
executed
from
a
job
le.
Use
a
job
le
to
run
DBChange
Plus
in
batc
h
mo
de.
This
is
useful
if
y
ou
w
an
t
to
make
c
hanges
to
the
database
at
a
later
time.
Y
ou
can
include
command
les
in
a
job
le.
Including
Comments
in
a
File
In
a
command
le
or
job
le,
if
y
ou
w
an
t
to
include
DBChange
commen
ts,
enclose
them
in
double
angle
brac
k
ets,
for
example,
<<
c
omment
>>
.
In
the
MPE
command
p ortion
of
a
job
le,
the
w
ord
commen
t
at
the
b eginning
of
a
line
indicates
that
the
text
on
that
line
constitutes
a
commen
t.
Using
a
Command
File
A
command
le
is
a
series
of
DBChange
Plus
commands
and
parameters.
When
the
XEQ
command
is
en
tered,
DBChange
Plus
reads
the
sp ecied
command
le
and
executes
the
commands
un
til
it
reac
hes
the
end
of
the
le.
After
DBChange
Plus
reads
the
last
line
in
the
command
le,
con
trol
is
returned
to
the
original
command
input
device
(the
user
terminal
in
teractiv
ely
or
the
the
job
input
device
in
batc
h
mo
de).
If
the
command
le
con
tains
the
EXIT
command,
DBChange
Plus
terminates
and
the
system
prompt
app ears
on
y
our
screen.
The
following
command
le
CMDFILE
deletes
the
data
item
D
A
TE,
c
hanges
the
capacity
of
the
man
ual
master
data
set
CUSTOMER
to
450,
and
exits
the
DBCPLUS
program.
The
XEQ
command
executes
the
command
le
CMDFILE
as
follo ws:
Introduction
to
DBChange
Plus
1-9
...Otros modelos de este manual:
Software - MPE/iX 6.5 Operating System (778.22 kb)