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Resumen del manual
An
in
teractiv
e
command
pro cessor
whic
h
lets
y
ou
en
ter
SQL
ISQL
commands
at
the
k
eyb oard
and
observ
e
query
results,
messages,
and
other
information
on
a
video
display
.
Remem
b er
that
SQL
is
a
language|not
a
softw
are
system.
So
y
ou
need
an
in
teractive
w
a
y
to
submit
SQL
commands
to
SQLCore
and
DBCore
for
pro cessing.
ISQL
is
the
main
to
ol
used
b
y
ALLBASE/SQL
programmers
and
database
administrators
to
create
and
mo
dify
the
sc
hema
of
an
ALLBASE/SQL
DBEn
vironmen
t.
It
is
also
used
b
y
an
y
one
who
needs
to
submit
queries
using
the
SQL
language.
ISQL
is
esp ecially
useful
for
loading
and
unloading
data.
A
screen-orien
ted,
men
u-driv
en
approac
h
to
designing
queries
and
ALLBASE/Query
pro ducing
quic
k
rep orts
from
data
in
ALLBASE/SQL
databases.
ALLBASE/Query
con
tains
extensiv
e
online
help,
so
it
is
esp ecially
appropriate
for
o ccasional
users.
A
database
administrator 's
to
ol
for
displaying
and
setting
the
basic
SQLUtil
parameters
of
a
DBEn
vironmen
t
(explained
further
in
the
next
section);
storing
and
restoring
DBEn
vironmen
ts;
setting
the
size
of
system
buers;
and
purging
DBEn
vironmen
ts.
The
database
administrator
(DBA)
is
the
individual
who
creates
and
maintains
ob
jects
in
a
DBEn
vironmen
t.
SQLUtil
is
seldom
needed
b
y
the
ordinary
user.
A
database
administrator's
to
ol
that
examines
the
structure
of
a
SQLGEN
DBEn
vironmen
t
and
creates
les
of
SQL
and
ISQL
commands
for
unloading
it,
re-creating
it,
and
reloading
it
with
data.
The
le
for
re-creating
a
DBEn
vironmen
t
is
sometimes
kno
wn
as
a
sc
hema.
The
sc
hema
sho
ws
y
ou
all
the
CREA
TE
commands
that
w
en
t
in
to
the
original
dev
elopmen
t
of
the
DBEn
vironmen
t.
A
fourth-generation
programming
to
ol.
ALLBASE/4GL
is
a
ALLBASE/4GL
screen-orien
ted,
men
u-driv
en
en
vironmen
t
that
lets
y
ou
design
and
build
complete
ALLBASE/SQL
applications
without
con
v
en
tional
programming.
T
o ols
that
con
v
ert
source
programs
con
taining
SQL
commands
in
to
Preprocessors
source
co de
that
can
b e
compiled
in
a
programming
language
of
y
our
c
hoice.
Dierent
prepro cessors
let
y
ou
co de
applications
in
C,
COBOL,
F
OR
TRAN,
and
P
ascal.
1-6
V
ery
Basic
.
.
.
DRAFT
9/12/97
20:40
...Otros modelos de este manual:
Software - MPE/iX 6.5 Operating System (513.58 kb)
Software - MPE/iX 7.0 Operating System (513.58 kb)
Software - MPE/iX 7.5 Operating System (513.58 kb)