<s>
Component-oriented	B-Application
database	I-Application
(	O
CODB	O
)	O
is	O
a	O
way	O
of	O
data	B-General_Concept
administration	I-General_Concept
and	O
programming	O
DBMS	B-General_Concept
's	O
using	O
the	O
paradigm	O
of	O
the	O
component-orientation	B-Architecture
.	O
</s>
<s>
The	O
paradigm	O
of	O
component-orientation	B-Architecture
(	O
CO	O
)	O
is	O
a	O
development	O
of	O
the	O
object-orientation	B-Language
(	O
OO	O
)	O
in	O
programming	O
and	O
data	B-Application
modeling	I-Application
,	O
leading	O
toward	O
the	O
extreme	O
the	O
possibilities	O
of	O
reuse	O
.	O
</s>
<s>
In	O
this	O
model	O
type	O
,	O
classes	O
are	O
aggregate	O
in	O
cells	O
called	O
components	O
,	O
that	O
execute	O
a	O
role	O
similar	O
to	O
the	O
function	O
in	O
the	O
structured	B-Language
programming	I-Language
,	O
a	O
way	O
of	O
processing	O
information	O
contemporary	O
to	O
the	O
relational	B-Architecture
database	I-Architecture
model	I-Architecture
.	O
</s>
<s>
So	O
the	O
component-orientation	B-Architecture
mixes	O
a	O
set	O
of	O
features	O
of	O
its	O
predecessor	O
models	O
.	O
</s>
<s>
Understanding	O
it	O
is	O
simpler	O
while	O
thinking	O
of	O
the	O
visual	O
component	O
,	O
that	O
is	O
an	O
application	B-Application
which	O
not	O
being	O
deployed	O
into	O
an	O
executable	B-Application
or	O
bytecode	O
but	O
otherwise	O
turned	O
to	O
be	O
linked	O
by	O
an	O
icon	O
inside	O
another	O
application	B-Application
,	O
icon	O
when	O
one	O
clicks	O
on	O
it	O
implements	O
certain	O
tasks	O
.	O
</s>
<s>
Although	O
this	O
enigma	O
is	O
important	O
in	O
conceptual	O
epistemological	O
area	O
,	O
in	O
practical	O
data	B-General_Concept
processing	I-General_Concept
there	O
is	O
n't	O
so	O
importance	O
in	O
this	O
question	O
because	O
of	O
usage	O
of	O
mapping	O
models	O
to	O
large	O
scale	O
used	O
software	O
,	O
like	O
the	O
mappings	O
called	O
ORDBMS	B-General_Concept
and	O
CRDB	O
(	O
component-relational	O
database	O
)	O
,	O
in	O
which	O
the	O
separation	O
of	O
data	O
and	O
code	O
are	O
still	O
well	O
defined	O
.	O
</s>
<s>
In	O
programming	O
activity	O
,	O
the	O
CO	O
is	O
often	O
taken	O
place	O
with	O
large-scale	O
used	O
OO	O
languages	O
(	O
like	O
C++	B-Language
,	O
Java	B-Language
)	O
with	O
mapping	O
adaptation	O
.	O
</s>
<s>
In	O
designing	O
the	O
paradigm	O
is	O
supported	O
by	O
UML	B-Language
.	O
</s>
<s>
In	O
data	B-Application
modeling	I-Application
,	O
data	B-General_Concept
administration	I-General_Concept
and	O
database	B-General_Concept
administration	I-General_Concept
,	O
the	O
mapping	O
adaptation	O
is	O
alike	O
the	O
ORDBMS	B-General_Concept
paradigm	O
.	O
</s>
<s>
The	O
adapted	O
paradigm	O
to	O
component-based	B-Architecture
models	O
is	O
known	O
as	O
component-relational	O
database	O
(	O
CRDB	O
)	O
.	O
</s>
<s>
The	O
basis	O
support	O
notions	O
of	O
OO	O
like	O
encapsulation	B-Application
,	O
inheritance	B-Language
and	O
polymorphism	B-Application
not	O
necessarily	O
leads	O
to	O
the	O
idea	O
of	O
reusing	O
applications	O
as	O
modules	O
of	O
new	O
works	O
.	O
</s>
<s>
The	O
CO	O
thinking	O
also	O
assures	O
that	O
components	O
are	O
fully	O
tested	O
,	O
as	O
a	O
real	O
application	B-Application
,	O
and	O
thus	O
there	O
is	O
in	O
this	O
model	O
the	O
paroxism	O
of	O
reuse	O
,	O
as	O
well	O
as	O
the	O
feature	O
of	O
understandability	O
to	O
end	O
users	O
,	O
as	O
corollary	O
of	O
the	O
app->comp	O
way	O
of	O
realizing	O
the	O
IT	O
works	O
.	O
</s>
