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К этому устройству также есть другие инструкции:
Фрагмент инструкции
REPORTING
D
A
T
A
The
rep orting
commands,
LIST
and
REPOR
T,
display
selected
information
from
the
data
base(s).
QUER
Y
pro
vides
sev
eral
rep orting
tec
hniques
whic
h
enable
y
ou
to
examine
the
data
in
the
data
base
without
writing
a
program.
Y
ou
can
rep ort
information
in
three
w
a
ys:
Use
one
command
to
retrieve
data
en
tries
for
a
single
rep ort
with
automatic
formatting.
Use
t
w
o
commands,
one
to
retrieve
data
en
tries
whic
h
can
b e
used
rep eatedly
and
another
to
pro duce
a
rep ort
with
automatic
formatting.
Use
t
w
o
commands,
one
to
retrieve
data
en
tries
whic
h
can
b e
used
rep eatedly
and
another
to
pro duce
a
rep ort
with
y
our
formatting
sp ecications.
The
LIST
command
com
bines
the
functions
of
lo
cating
and
rep orting.
Y
ou
can
selectively
lo
cate
en
tries
and
prin
t
them
in
a
rep ort
with
automatic
formatting
and
headings.
Data
in
the
formatted
rep ort
is
prin
ted
in
columns.
REPOR
T
ALL
is
a
form
of
the
REPOR
T
command.
REPOR
T
ALL
is
similar
to
the
LIST
command
in
that
it
automatically
formats
y
our
rep ort.
Ho
w
ev
er,
REPOR
T
ALL
rep orts
data
en
tries
selected
b
y
the
last
retriev
al
command.
The
formatted
rep ort
prin
ts
one
data
item
name
and
v
alue
p er
line
for
all
data
items
in
eac
h
retrieved
en
try
.
The
REPOR
T
command
also
rep orts
data
en
tries
selected
b
y
the
last
retriev
al
command.
Ho
w
ev
er,
the
REPOR
T
command
allo ws
y
ou
to
design
y
our
o
wn
rep ort
format.
Y
our
rep ort
can
include:
F
rom
1
to
9
lines
of
heading
information
suc
h
as
a
title,
column
headings,
page
n
um
b ers,
date
and
time
of
da
y
.
This
information
can
b e
rep eated
at
the
top
of
eac
h
rep ort
page.
Y
ou
can
sp ecify
blank
lines
to
b e
in
tersp ersed
in
the
heading
as
long
as
the
heading
do es
not
exceed
one
page.
Sorted
data
en
tries
with
group
and
total
information
prin
ted
with
en
tries
b elonging
to
the
same
group.
Y
ou
can
accum
ulate
totals,
compute
a
v
erages,
and
coun
t
en
tries
automatically
,
or
y
ou
can
use
the
thirty
QUER
Y
registers
to
do
computations
on
n
umeric
data
item
v
alues
and
rep ort
the
results.
Edited
data
item
v
alues
with
inserted
dollar
signs,
min
us
signs,
decimal
p oints,
and
other
ASCI I
c
haracters.
Statemen
ts
whic
h
c
hange
the
output
device
to
the
QSLIST
device,
dene
the
n
um
b er
of
lines
p er
page,
request
a
pause
after
eac
h
page
(in
session
mo
de),
and
suppress
the
margins
whic
h
usually
app ear
at
the
top
and
b ottom
of
a
page.
(F
or
example,
information
on
a
line
prin
ter
can
b e
prin
ted
across
the
p erforation.)
The
REPOR
T
command
can
b e
stored
as
a
pro cedure
in
a
Pro
c-le
for
rep eated
use
without
re-en
tering
the
command.
Reporting
pro cedures
can
b e
created
whic
h
prompt
y
ou
for
desired
information
when
the
pro cedure
is
executed.
This
allo ws
y
ou
to
use
dieren
t
sp ecications
for
the
rep ort
eac
h
time
the
pro cedure
is
executed.
Y
ou
can
also
write
y
our
o
wn
user-dened
pro cedures
in
a
programming
language
whic
h
enable
y
our
rep ort
to
p erform
sp ecialized
functions
not
pro
vided
b
y
QUER
Y.
This
feature
is
in
tended
for
use
b
y
programmers.
Refer
to
App endix
F
for
further
discussion.
USING
QUERY/V
2-11
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