<s>
erwin	B-Application
Data	I-Application
Modeler	I-Application
(	O
stylized	O
as	O
erwin	B-Application
but	O
formerly	O
as	O
ERwin	B-Application
)	O
is	O
computer	O
software	O
for	O
data	B-Application
modeling	I-Application
.	O
</s>
<s>
Originally	O
developed	O
by	O
Logic	O
Works	O
,	O
erwin	B-Application
has	O
since	O
been	O
acquired	O
by	O
a	O
series	O
of	O
companies	O
,	O
before	O
being	O
spun-off	O
by	O
the	O
private	O
equity	O
firm	O
Parallax	O
Capital	O
Partners	O
,	O
which	O
acquired	O
and	O
incorporated	O
it	O
as	O
a	O
separate	O
entity	O
,	O
erwin	B-Application
,	O
Inc.	O
,	O
managed	O
by	O
CEO	O
Adam	O
Famularo	O
.	O
</s>
<s>
The	O
software	O
’s	O
engine	O
is	O
based	O
on	O
the	O
IDEF1X	B-Application
method	O
,	O
although	O
it	O
now	O
also	O
supports	O
diagrams	O
displayed	O
with	O
a	O
variant	O
information	B-Application
technology	I-Application
engineering	I-Application
notation	O
,	O
as	O
well	O
as	O
a	O
dimensional	B-Application
modeling	I-Application
notation	O
.	O
</s>
<s>
ERwin	B-Application
was	O
created	O
by	O
Logic	O
Works	O
,	O
which	O
was	O
based	O
in	O
Princeton	O
,	O
New	O
Jersey	O
.	O
</s>
<s>
In	O
May	O
1993	O
,	O
Logic	O
Works	O
released	O
ERwin/ERX	O
,	O
a	O
version	O
of	O
the	O
tool	O
designed	O
to	O
work	O
in	O
conjunction	O
with	O
PowerBuilder	B-Language
.	O
</s>
<s>
The	O
database	O
models	O
created	O
using	O
ERwin	B-Application
could	O
be	O
translated	O
into	O
software	O
built	O
through	O
the	O
PowerBuilder	B-Language
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
.	O
</s>
<s>
In	O
May	O
1995	O
,	O
Logic	O
Works	O
ERwin	B-Application
was	O
expanded	O
to	O
include	O
several	O
other	O
IDEs	O
,	O
adding	O
SQLWindows	O
from	O
Gupta	O
Technologies	O
and	O
Visual	B-Language
Basic	I-Language
from	O
Microsoft	O
.	O
</s>
<s>
As	O
of	O
1996	O
,	O
ERwin	B-Application
was	O
among	O
several	O
data	B-Application
modeling	I-Application
software	O
solutions	O
being	O
used	O
to	O
facilitate	O
a	O
wide	O
move	O
to	O
the	O
client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
model	I-Operating_System
in	O
database	B-Application
management	I-Application
.	O
</s>
<s>
ERwin	B-Application
was	O
initially	O
made	O
part	O
of	O
CA	O
’s	O
Jasmine	O
suite	O
but	O
it	O
was	O
later	O
added	O
to	O
their	O
new	O
AllFusion	O
suite	O
under	O
the	O
name	O
AllFusion	B-Application
ERwin	I-Application
Data	I-Application
Modeler	I-Application
.	O
</s>
<s>
The	O
tool	O
was	O
later	O
renamed	O
to	O
CA	B-Application
ERwin	I-Application
Data	O
Modeler	O
.	O
</s>
<s>
The	O
company	O
now	O
operates	O
under	O
a	O
new	O
name	O
stylized	O
as	O
erwin	B-Application
,	O
Inc	O
.	O
</s>
<s>
In	O
September	O
2016	O
,	O
erwin	B-Application
announced	O
that	O
it	O
had	O
acquired	O
Corso	O
,	O
a	O
British	O
enterprise	O
architecture	O
service	O
provider	O
.	O
</s>
<s>
In	O
December	O
of	O
the	O
same	O
year	O
,	O
erwin	B-Application
acquired	O
the	O
business	O
process	O
modeling	O
software	O
Casewise	B-Architecture
,	O
with	O
a	O
plan	O
to	O
integrate	O
the	O
two	O
.	O
</s>
<s>
In	O
2017	O
,	O
erwin	B-Application
released	O
its	O
Data	O
Modeler	O
NoSQL	O
,	O
an	O
enterprise-class	O
data	B-Application
modeling	I-Application
solution	O
for	O
MongoDB	O
.	O
</s>
<s>
In	O
April	O
2018	O
,	O
NoSQL	O
data	B-Application
modeling	I-Application
support	O
for	O
Couchbase	O
was	O
added	O
.	O
</s>
<s>
Also	O
that	O
year	O
,	O
erwin	B-Application
launched	O
a	O
data	O
governance	O
solution	O
with	O
impact	O
analysis	O
and	O
integrations	O
to	O
its	O
business	O
process	O
,	O
enterprise	O
architecture	O
and	O
data	B-Application
modeling	I-Application
suites	O
.	O
</s>
<s>
They	O
also	O
developed	O
the	O
erwin	B-Application
EDGE	O
software	O
platform	O
,	O
with	O
EDGE	O
as	O
an	O
acronym	O
for	O
“	O
enterprise	O
data	O
governance	O
experience	O
”	O
,	O
intending	O
to	O
use	O
data	O
governance	O
for	O
data-driven	O
insights	O
to	O
help	O
accomplish	O
organizational	O
objectives	O
.	O
</s>
<s>
In	O
February	O
2018	O
erwin	B-Application
released	O
its	O
first	O
State	O
of	O
Data	O
Governance	O
Report	O
with	O
UBM	O
.	O
</s>
<s>
In	O
August	O
2018	O
,	O
erwin	B-Application
acquired	O
metadata	O
management	O
and	O
data	O
governance	O
company	O
AnalytiX	O
DS	O
.	O
</s>
<s>
On	O
December	O
31	O
,	O
2020	O
erwin	B-Application
,	O
Inc	O
.	O
was	O
acquired	O
by	O
Quest	O
Software	O
.	O
</s>
<s>
At	O
its	O
core	O
,	O
erwin	B-Application
has	O
a	O
computer-aided	B-Application
software	I-Application
engineering	I-Application
tool	O
(	O
or	O
CASE	O
tool	O
)	O
.	O
</s>
<s>
Users	O
can	O
utilize	O
erwin	B-Application
Data	I-Application
Modeler	I-Application
as	O
a	O
way	O
to	O
take	O
conceptual	B-Application
data	I-Application
model	I-Application
and	O
create	O
a	O
logical	O
data	O
model	O
that	O
is	O
not	O
dependent	O
on	O
a	O
specific	O
database	O
technology	O
.	O
</s>
<s>
This	O
schematic	O
model	O
can	O
be	O
used	O
to	O
create	O
the	O
physical	B-Application
data	I-Application
model	I-Application
.	O
</s>
<s>
Users	O
can	O
then	O
forward	O
engineer	O
the	O
data	B-Language
definition	I-Language
language	I-Language
required	O
to	O
instantiate	O
the	O
schema	O
for	O
a	O
range	O
of	O
database-management	B-Application
systems	I-Application
.	O
</s>
<s>
The	O
software	O
includes	O
features	O
to	O
graphically	O
modify	O
the	O
model	O
,	O
including	O
dialog	O
boxes	O
for	O
specifying	O
the	O
number	O
of	O
entity	B-Architecture
–	I-Architecture
relationships	I-Architecture
,	O
database	O
constraints	O
,	O
indexes	B-Data_Structure
,	O
and	O
data	O
uniqueness	O
.	O
</s>
<s>
erwin	B-Application
supports	O
three	O
data	B-Application
modeling	I-Application
languages	O
:	O
IDEF1X	B-Application
,	O
a	O
variant	O
of	O
information	B-Application
technology	I-Application
engineering	I-Application
developed	O
by	O
James	O
Martin	O
,	O
and	O
a	O
form	O
of	O
dimensional	B-Application
modeling	I-Application
notation	O
.	O
</s>
<s>
The	O
software	O
also	O
allows	O
users	O
to	O
generate	O
data	O
models	O
by	O
reverse-engineering	O
pre-existing	O
databases	B-Application
that	O
are	O
based	O
on	O
several	O
different	O
formats	O
.	O
</s>
<s>
Another	O
included	O
feature	O
is	O
erwin	B-Application
’s	O
ability	O
to	O
create	O
reusable	O
design	O
standards	O
:	O
“	O
including	O
naming	O
standards	O
,	O
data	O
type	O
standards	O
,	O
model	O
templates	O
and	O
more.	O
”	O
The	O
software	O
includes	O
several	O
features	O
for	O
modifying	O
how	O
the	O
data	O
model	O
is	O
displayed	O
,	O
including	O
options	O
for	O
several	O
colors	O
,	O
fonts	O
,	O
diagrams	O
,	O
subject	O
areas	O
and	O
layouts	O
.	O
</s>
<s>
erwin	B-Application
’s	O
Complete	O
Compare	O
feature	O
allows	O
the	O
user	O
to	O
compare	O
two	O
versions	O
of	O
a	O
model	O
,	O
displays	O
differences	O
,	O
and	O
allows	O
for	O
merging	O
and	O
updates	O
in	O
either	O
direction	O
.	O
</s>
<s>
The	O
erwin	B-Application
DM	O
2018	O
update	O
included	O
Netezza	O
,	O
MySQL	O
8.x	O
,	O
PostgreSQL	O
10.4	O
,	O
and	O
Hive	O
;	O
model	O
counts	O
reports	O
;	O
and	O
PII	O
support	O
.	O
</s>
<s>
Beginning	O
in	O
1992	O
,	O
the	O
United	O
Nations	O
Development	O
Programme	O
(	O
UNDP	O
)	O
was	O
one	O
of	O
the	O
larger	O
organizations	O
to	O
utilize	O
ERwin	B-Application
to	O
integrate	O
its	O
many	O
independent	O
databases	B-Application
located	O
at	O
its	O
120	O
field	O
offices	O
.	O
</s>
<s>
UNDP	O
used	O
ERwin	B-Application
to	O
develop	O
a	O
“	O
corporate	O
data	O
model	O
”	O
,	O
with	O
the	O
goal	O
of	O
“	O
reducing	O
redundant	O
data	O
entry	O
”	O
and	O
create	O
a	O
single	O
database	O
framework	O
based	O
on	O
which	O
“	O
all	O
future	O
systems	O
can	O
be	O
designed	O
”	O
.	O
</s>
<s>
ERwin	B-Application
was	O
used	O
to	O
both	O
reverse-engineer	O
existing	O
data	O
at	O
field	O
offices	O
and	O
also	O
move	O
data	O
from	O
Computer	O
Associates’	O
IDMS	B-Application
to	O
Sybase	B-Application
’s	O
UnixRDBMS	O
.	O
</s>
<s>
As	O
of	O
2001	O
,	O
the	O
insurance	O
company	O
Aetna	O
used	O
Erwin	B-Application
Data	I-Application
Modeler	I-Application
to	O
automate	O
maintenance	O
of	O
its	O
database	B-Application
table	I-Application
definitions	O
.	O
</s>
<s>
As	O
of	O
2002	O
,	O
ERwin	B-Application
was	O
among	O
the	O
products	O
used	O
by	O
the	O
New	O
York	O
Power	O
Authority	O
.	O
</s>
