<s>
ArcSDE	B-Application
(	O
SDE	O
for	O
Spatial	B-Application
Database	I-Application
Engine	I-Application
)	O
is	O
a	O
server-software	O
sub-system	O
(	O
produced	O
and	O
marketed	O
by	O
Esri	O
)	O
that	O
aims	O
to	O
enable	O
the	O
usage	O
of	O
Relational	B-Application
Database	I-Application
Management	I-Application
Systems	I-Application
for	O
spatial	O
data	O
.	O
</s>
<s>
Geographic	O
Technologies	O
Incorporated	O
(	O
GTI	O
)	O
in	O
Australia	O
originally	O
designed	O
the	O
database	O
software	O
,	O
named	O
Spatial	B-Application
DataBase	I-Application
Engine	I-Application
(	O
SDBE	B-Application
)	O
.	O
</s>
<s>
SDBE	B-Application
originally	O
used	O
the	O
InterBase	B-Application
DBMS	B-General_Concept
.	O
</s>
<s>
The	O
president	O
of	O
Esri	O
,	O
Jack	O
Dangermond	O
,	O
announced	O
SDE	O
at	O
the	O
GIS'95	O
conference	O
in	O
Vancouver	O
,	O
British	O
Columbia	O
,	O
and	O
Esri	O
purchased	O
Salamanca	O
Software	O
in	O
1996	O
.	O
</s>
<s>
Esri	O
rebranded	O
the	O
software	O
as	O
"	O
ArcSDE	B-Application
"	O
to	O
follow	O
the	O
naming	O
convention	O
of	O
other	O
products	O
.	O
</s>
<s>
ArcSDE	B-Application
grew	O
to	O
meet	O
the	O
need	O
of	O
users	O
of	O
geographic	O
data	O
for	O
robust	O
multi-user	O
editing	O
,	O
storage	O
and	O
access	O
of	O
extremely	O
large	O
geospatial	O
databases	O
.	O
</s>
<s>
ArcSDE	B-Application
supports	O
the	O
Esri	O
geodatabase	O
implementation	O
.	O
</s>
<s>
The	O
product	O
began	O
as	O
stand-alone	O
software	O
:	O
Esri	O
integrated	O
it	O
into	O
ArcGIS	B-Application
version	O
9.2	O
.	O
</s>
<s>
In	O
2013	O
ESRI	O
announced	O
plans	O
to	O
deprecate	O
the	O
ArcSDE	B-Application
command	O
line	O
tools	O
and	O
the	O
ArcSDE	B-Application
application	O
server	O
following	O
the	O
forthcoming	O
release	O
of	O
ArcGIS	B-Application
10.2	O
.	O
</s>
<s>
with	O
the	O
release	O
of	O
10.1	O
,	O
Esri	O
sells	O
ArcSDE	B-Application
as	O
a	O
component	O
of	O
ArcGIS	B-Application
Server	I-Application
-	O
part	O
of	O
the	O
ArcGIS	B-Application
family	O
of	O
software	O
products	O
which	O
integrates	O
geographic-information	O
query	O
,	O
mapping	O
,	O
spatial	O
analysis	O
,	O
and	O
editing	O
within	O
a	O
multi-user	O
enterprise	O
DBMS	B-General_Concept
environment	O
.	O
</s>
<s>
After	O
2010	O
,	O
there	O
are	O
some	O
alternative	O
tools	O
for	O
connecting	O
ArcMap	O
with	O
DBMS	B-General_Concept
Postgres	B-Application
,	O
SQL	O
Server	O
..	O
such	O
as	O
and	O
.	O
</s>
<s>
ArcSDE	B-Application
enables	O
organizations	O
to	O
move	O
from	O
a	O
traditional	O
approach	O
—	O
managing	O
separate	O
collections	O
of	O
geographic	O
data	O
files	O
—	O
to	O
an	O
integrated	O
environment	O
in	O
which	O
one	O
can	O
manage	O
spatial	O
data	O
as	O
a	O
continuous	O
database	O
:	O
accessible	O
to	O
the	O
entire	O
organization	O
simultaneously	O
and	O
easily	O
publishable	O
on	O
the	O
Web	O
.	O
</s>
<s>
in	O
a	O
DBMS	B-General_Concept
and	O
makes	O
the	O
data	O
available	O
to	O
many	O
applications	O
.	O
</s>
<s>
ArcSDE	B-Application
allows	O
one	O
to	O
manage	O
spatial	O
data	O
in	O
any	O
of	O
four	O
commercial	O
databases	O
(	O
IBM	B-Application
Db2	I-Application
,	O
Informix	B-Application
,	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
and	O
Oracle	B-General_Concept
)	O
.	O
</s>
<s>
Starting	O
with	O
the	O
9.3	O
release	O
,	O
Esri	O
added	O
support	O
for	O
the	O
open-source	O
PostgreSQL	B-Application
database	O
.	O
</s>
<s>
ArcSDE	B-Application
serves	O
data	O
for	O
the	O
advanced	O
ArcGIS	B-Application
Desktop	I-Application
products	O
(	O
ArcView	B-Application
,	O
ArcEditor	B-Application
and	O
ArcInfo	B-Application
)	O
;	O
the	O
ArcGIS	B-Application
development	O
products	O
(	O
ArcGIS	B-Application
Engine	O
and	O
ArcGIS	B-Application
Server	I-Application
)	O
,	O
ArcView	B-Application
3.x	I-Application
as	O
well	O
as	O
ArcIMS	B-Application
.	O
</s>
<s>
It	O
is	O
a	O
key	O
component	O
in	O
managing	O
a	O
multi-user	O
Esri-based	O
GIS	B-Application
.	O
</s>
<s>
While	O
traditional	O
RDBMS	O
software	O
keeps	O
track	O
of	O
the	O
tables	O
and	O
records	O
contained	O
in	O
the	O
database	O
,	O
ArcSDE	B-Application
pushes	O
the	O
relational	O
model	O
higher	O
so	O
that	O
client	O
software	O
can	O
manage	O
geographic	O
data	O
-	O
which	O
comprise	O
several	O
tables	O
-	O
seamlessly	O
.	O
</s>
<s>
The	O
GIS	B-Application
environment	O
routes	O
all	O
connections	O
to	O
the	O
database	O
through	O
the	O
ArcSDE	B-Application
middleware	B-General_Concept
,	O
which	O
manages	O
the	O
storing	O
and	O
retrieval	O
of	O
data	O
.	O
</s>
