<s>
In	O
computing	O
,	O
the	O
Oracle	B-Application
Streams	I-Application
product	O
from	O
Oracle	B-Application
Corporation	I-Application
encourages	O
users	O
of	O
Oracle	B-General_Concept
databases	I-General_Concept
to	O
propagate	O
information	O
within	O
and	O
between	O
databases	O
.	O
</s>
<s>
It	O
provides	O
tools	O
to	O
capture	O
,	O
process	O
( 	O
 '	O
stage	O
 '	O
)	O
and	O
manage	O
database	O
events	O
via	O
Advanced	B-Application
Queuing	I-Application
queues	B-Application
.	O
</s>
<s>
Oracle	B-Application
Streams	I-Application
is	O
the	O
flow	O
of	O
information	O
either	O
within	O
a	O
single	O
database	O
or	O
from	O
one	O
database	O
to	O
another	O
.	O
</s>
<s>
Oracle	B-Application
Streams	I-Application
can	O
be	O
set	O
up	O
in	O
homogeneous	O
(	O
all	O
Oracle	B-General_Concept
databases	I-General_Concept
)	O
or	O
heterogeneous	O
(	O
non-Oracle	O
and	O
Oracle	B-General_Concept
databases	I-General_Concept
)	O
environments	O
.	O
</s>
<s>
The	O
database	O
changes	O
(	O
DDL	B-Language
and	O
DML	B-Language
)	O
are	O
captured	O
at	O
the	O
source	O
;	O
those	O
are	O
then	O
staged	O
and	O
propagated	O
to	O
one	O
or	O
more	O
destination	O
databases	O
to	O
be	O
applied	O
there	O
.	O
</s>
<s>
Message	O
propagation	O
uses	O
Advanced	B-Application
Queuing	I-Application
mechanism	O
within	O
the	O
Oracle	B-General_Concept
databases	I-General_Concept
.	O
</s>
<s>
Applications	O
for	O
the	O
Oracle	B-Application
Streams	I-Application
tool-set	O
include	O
data	B-Operating_System
distribution	I-Operating_System
,	O
data	O
warehousing	O
and	O
data	B-Architecture
replication	I-Architecture
.	O
</s>
<s>
As	O
of	O
Oracle	B-General_Concept
version	O
9.2	O
(	O
2002	O
)	O
,	O
Oracle	B-Application
Corporation	I-Application
made	O
Oracle	B-Application
Streams	I-Application
available	O
on	O
Oracle	B-General_Concept
Enterprise	O
Edition	O
systems	O
only	O
.	O
</s>
<s>
(	O
introduced	O
with	O
Oracle	B-General_Concept
9i	O
in	O
2000	O
)	O
.	O
</s>
<s>
In	O
July	O
2009	O
,	O
Oracle	B-General_Concept
acquired	O
GoldenGate	O
,	O
a	O
company	O
with	O
a	O
heterogeneous	B-Architecture
replication	I-Architecture
solution	O
.	O
</s>
<s>
Oracle	B-Application
Corporation	I-Application
encourages	O
customers	O
with	O
new	O
applications	O
to	O
use	O
Oracle	B-Application
GoldenGate	I-Application
rather	O
than	O
Streams	O
.	O
</s>
