<s>
LANSA	B-Language
is	O
an	O
integrated	O
development	O
environment	O
(	O
IDE	O
)	O
for	O
building	O
desktop	O
,	O
web	O
and	O
mobile	O
software	O
applications	O
that	O
can	O
be	O
deployed	O
to	O
Cloud	O
,	O
Windows	O
,	O
Linux	O
and	O
IBM	B-Application
i	I-Application
server	O
platforms	O
.	O
</s>
<s>
The	O
main	O
feature	O
of	O
the	O
LANSA	B-Language
environment	O
is	O
the	O
'	O
RDML	B-Language
/	O
RDMLX	O
 '	O
language	O
–	O
which	O
is	O
classified	O
as	O
a	O
4GL	B-Language
(	O
4th	B-Language
generation	I-Language
language	I-Language
)	O
.	O
</s>
<s>
RDML	B-Language
closely	O
follows	O
the	O
syntax	O
of	O
IBM	B-Operating_System
CL	I-Operating_System
,	O
or	O
Control	B-Operating_System
Language	I-Operating_System
.	O
</s>
<s>
CL	B-Operating_System
is	O
the	O
"	O
scripting	O
language	O
"	O
equivalent	O
of	O
the	O
OS/400	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
In	O
recent	O
years	O
RDML	B-Language
has	O
been	O
extended	O
to	O
become	O
RDMLX	O
.	O
</s>
<s>
RDML	B-Language
,	O
on	O
Microsoft	O
Windows	O
,	O
integrates	O
with	O
ActiveX	B-Application
.	O
</s>
<s>
At	O
that	O
time	O
solutions	O
developed	O
with	O
RDML	B-Language
could	O
be	O
deployed	O
to	O
IBM	B-Device
S/38	I-Device
and	O
from	O
1988	O
onwards	O
to	O
the	O
IBM	B-Device
AS/400	I-Device
(	O
iSeries	B-Device
,	O
System	O
i	O
,	O
now	O
IBM	B-Application
i	I-Application
)	O
.	O
</s>
<s>
Since	O
1992	O
LANSA	B-Language
has	O
been	O
deployed	O
to	O
multiple	O
server	O
platforms	O
,	O
including	O
IBM	B-Application
i	I-Application
,	O
Windows	O
,	O
Linux	O
and	O
also	O
OS/2	O
and	O
Unix	O
.	O
</s>
<s>
The	O
LANSA	B-Language
development	O
environment	O
includes	O
a	O
metadata	O
repository	O
which	O
is	O
an	O
enhanced	O
type	O
of	O
data	B-Application
dictionary	I-Application
.	O
</s>
<s>
The	O
repository	O
is	O
a	O
database	O
that	O
contains	O
data	O
and	O
file	O
definitions	O
,	O
business	O
rules	O
,	O
application	O
templates	O
,	O
and	O
RDML	B-Language
code	O
.	O
</s>
<s>
The	O
data	O
management	O
services	O
provide	O
a	O
data	B-Application
abstraction	I-Application
layer	O
,	O
similar	O
to	O
a	O
data	B-Application
access	I-Application
layer	I-Application
,	O
that	O
separates	O
the	O
physical	O
data	O
from	O
applications	O
that	O
use	O
the	O
data	O
.	O
</s>
