<s>
The	O
Object	B-Application
Data	I-Application
Management	I-Application
Group	I-Application
(	O
ODMG	B-Application
)	O
was	O
conceived	O
in	O
the	O
summer	O
of	O
1991	O
at	O
a	O
breakfast	O
with	O
object	B-Application
database	I-Application
vendors	O
that	O
was	O
organized	O
by	O
Rick	O
Cattell	O
of	O
Sun	O
Microsystems	O
.	O
</s>
<s>
In	O
1998	O
,	O
the	O
ODMG	B-Application
changed	O
its	O
name	O
from	O
the	O
Object	B-Application
Database	I-Application
Management	I-Application
Group	I-Application
to	O
reflect	O
the	O
expansion	O
of	O
its	O
efforts	O
to	O
include	O
specifications	O
for	O
both	O
object	B-Application
database	I-Application
and	O
object-relational	B-General_Concept
mapping	I-General_Concept
products	O
.	O
</s>
<s>
The	O
primary	O
goal	O
of	O
the	O
ODMG	B-Application
was	O
to	O
put	O
forward	O
a	O
set	O
of	O
specifications	O
that	O
allowed	O
a	O
developer	O
to	O
write	O
portable	B-Architecture
applications	O
for	O
object	B-Application
database	I-Application
and	O
object-relational	B-General_Concept
mapping	I-General_Concept
products	O
.	O
</s>
<s>
In	O
order	O
to	O
do	O
that	O
,	O
the	O
data	O
schema	O
,	O
programming	O
language	B-Application
bindings	I-Application
,	O
and	O
data	O
manipulation	O
and	O
query	B-Language
languages	I-Language
needed	O
to	O
be	O
portable	B-Architecture
.	O
</s>
<s>
Between	O
1993	O
and	O
2001	O
,	O
the	O
ODMG	B-Application
published	O
five	O
revisions	O
to	O
its	O
specification	O
.	O
</s>
<s>
The	O
last	O
revision	O
was	O
ODMG	B-Application
version	O
3.0	O
,	O
after	O
which	O
the	O
group	O
disbanded	O
.	O
</s>
<s>
This	O
was	O
based	O
on	O
the	O
Object	B-Architecture
Management	I-Architecture
Group	I-Architecture
's	O
Object	O
Model	O
.	O
</s>
<s>
The	O
OMG	O
core	O
model	O
was	O
designed	O
to	O
be	O
a	O
common	O
denominator	O
for	O
object	O
request	O
brokers	O
,	O
object	B-Application
database	I-Application
systems	O
,	O
object	O
programming	O
languages	O
,	O
etc	O
.	O
</s>
<s>
The	O
ODMG	B-Application
designed	O
a	O
profile	O
by	O
adding	O
components	O
to	O
the	O
OMG	O
core	O
object	O
model	O
.	O
</s>
<s>
The	O
ODMG	B-Application
Object	O
Definition	O
Language	O
(	O
ODL	O
)	O
was	O
used	O
to	O
define	O
the	O
object	O
types	O
that	O
conform	O
to	O
the	O
ODMG	B-Application
Object	O
Model	O
.	O
</s>
<s>
The	O
ODMG	B-Application
Object	O
Interchange	O
Format	O
(	O
OIF	O
)	O
was	O
used	O
to	O
dump	O
and	O
load	O
the	O
current	O
state	O
to	O
or	O
from	O
a	O
file	O
or	O
set	O
of	O
files	O
.	O
</s>
<s>
Object	B-Language
Query	I-Language
Language	I-Language
(	O
OQL	B-Language
)	O
.	O
</s>
<s>
The	O
ODMG	B-Application
OQL	B-Language
was	O
a	O
declarative	O
(	O
nonprocedural	O
)	O
language	O
for	O
query	O
and	O
updating	O
.	O
</s>
<s>
It	O
used	O
SQL	B-Language
as	O
a	O
basis	O
,	O
where	O
possible	O
,	O
though	O
OQL	B-Language
supports	O
more	O
powerful	O
object-oriented	O
capabilities	O
.	O
</s>
<s>
C++	B-Language
Language	I-Language
Binding	O
.	O
</s>
<s>
This	O
defined	O
a	O
C++	B-Language
binding	O
of	O
the	O
ODMG	B-Application
ODL	O
and	O
a	O
C++	B-Language
Object	O
Manipulation	O
Language	O
(	O
OML	O
)	O
.	O
</s>
<s>
The	O
C++	B-Language
ODL	O
was	O
expressed	O
as	O
a	O
library	O
that	O
provides	O
classes	O
and	O
functions	O
to	O
implement	O
the	O
concepts	O
defined	O
in	O
the	O
ODMG	B-Application
Object	O
Model	O
.	O
</s>
<s>
The	O
C++	B-Language
OML	O
syntax	O
and	O
semantics	O
are	O
those	O
of	O
standard	O
C++	B-Language
in	O
the	O
context	O
of	O
the	O
standard	O
class	O
library	O
.	O
</s>
<s>
The	O
C++	B-Language
binding	O
also	O
provided	O
a	O
mechanism	O
to	O
invoke	O
OQL	B-Language
.	O
</s>
<s>
Smalltalk	B-Application
Language	B-Application
Binding	I-Application
.	O
</s>
<s>
This	O
defined	O
the	O
mapping	O
between	O
the	O
ODMG	B-Application
ODL	O
and	O
Smalltalk	B-Application
,	O
which	O
was	O
based	O
on	O
the	O
OMG	O
Smalltalk	B-Application
binding	O
for	O
the	O
OMG	O
Interface	O
Definition	O
Language	O
(	O
IDL	O
)	O
.	O
</s>
<s>
The	O
Smalltalk	B-Application
binding	O
also	O
provided	O
a	O
mechanism	O
to	O
invoke	O
OQL	B-Language
.	O
</s>
<s>
Java	B-Language
Language	I-Language
Binding	O
.	O
</s>
<s>
This	O
defined	O
the	O
binding	O
between	O
the	O
ODMG	B-Application
ODL	O
and	O
the	O
Java	B-Language
programming	I-Language
language	I-Language
as	O
defined	O
by	O
the	O
Java	B-Language
2	O
Platform	O
.	O
</s>
<s>
The	O
Java	B-Language
binding	O
also	O
provided	O
a	O
mechanism	O
to	O
invoke	O
OQL	B-Language
.	O
</s>
<s>
ODMG	B-Application
3.0	O
was	O
published	O
in	O
book	O
form	O
in	O
2000	O
.	O
</s>
<s>
By	O
2001	O
,	O
most	O
of	O
the	O
major	O
object	B-Application
database	I-Application
and	O
object-relational	B-General_Concept
mapping	I-General_Concept
vendors	O
claimed	O
conformance	O
to	O
the	O
ODMG	B-Application
Java	B-Language
Language	I-Language
Binding	O
.	O
</s>
<s>
In	O
2001	O
,	O
the	O
ODMG	B-Application
Java	B-Language
Language	I-Language
Binding	O
was	O
submitted	O
to	O
the	O
Java	B-Language
Community	I-Language
Process	I-Language
as	O
a	O
basis	O
for	O
the	O
Java	B-Language
Data	I-Language
Objects	I-Language
specification	O
.	O
</s>
<s>
The	O
ODMG	B-Application
member	O
companies	O
then	O
decided	O
to	O
concentrate	O
their	O
efforts	O
on	O
the	O
Java	B-Language
Data	I-Language
Objects	I-Language
specification	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
the	O
ODMG	B-Application
disbanded	O
in	O
2001	O
.	O
</s>
<s>
In	O
2004	O
,	O
the	O
Object	B-Architecture
Management	I-Architecture
Group	I-Architecture
(	O
OMG	O
)	O
was	O
granted	O
the	O
right	O
to	O
revise	O
the	O
ODMG	B-Application
3.0	O
specification	O
as	O
an	O
OMG	O
specification	O
by	O
the	O
copyright	O
holder	O
,	O
Morgan	O
Kaufmann	O
Publishers	O
.	O
</s>
<s>
In	O
February	O
2006	O
,	O
the	O
OMG	O
announced	O
the	O
formation	O
of	O
the	O
Object	B-Application
Database	I-Application
Technology	O
Working	O
Group	O
(	O
ODBT	O
WG	O
)	O
and	O
plans	O
to	O
work	O
on	O
the	O
.	O
</s>
<s>
Orient	O
ODBMS	B-Application
:	O
</s>
<s>
Objectivity/DB	B-Application
C++	B-Language
,	O
Java	B-Language
and	O
Smalltalk	B-Application
interfaces	O
.	O
</s>
