<s>
Upsizing	B-Application
is	O
the	O
term	O
coined	O
by	O
Microsoft	O
to	O
describe	O
the	O
process	O
of	O
upgrading	O
Microsoft	B-Application
Access	I-Application
Database	O
to	O
a	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
.	O
</s>
<s>
This	O
allows	O
to	O
continue	O
using	O
Microsoft	B-Application
Access	I-Application
as	O
a	O
database	O
front-end	B-Architecture
whereas	O
the	O
actual	O
back-end	B-Architecture
is	O
served	O
by	O
a	O
separate	O
local	O
or	O
remote	O
SQL	B-Language
Server	O
allowing	O
much	O
higher	O
productivity	O
and	O
data	O
volumes	O
.	O
</s>
<s>
Microsoft	B-Application
Access	I-Application
from	O
the	O
version	O
2000	O
on	O
has	O
a	O
special	O
Upsizing	B-Application
Wizard	O
which	O
facilitates	O
the	O
data	B-General_Concept
migration	I-General_Concept
to	O
the	O
proprietary	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
.	O
</s>
<s>
No	O
other	O
RDBMS	O
are	O
currently	O
supported	O
for	O
upsizing	B-Application
.	O
</s>
<s>
There	O
are	O
two	O
strategies	O
how	O
database	O
can	O
be	O
migrated	O
from	O
Access	O
to	O
a	O
SQL	B-Language
Server	O
.	O
</s>
<s>
Using	O
ODBC	B-Application
from	O
Microsoft	O
to	O
get	O
access	O
to	O
a	O
remote	O
database	O
via	O
ADO	B-Library
.	O
</s>
<s>
Using	O
Access	O
Data	O
Projects	O
(	O
available	O
in	O
Microsoft	B-Application
Access	I-Application
2000	I-Application
and	O
higher	O
)	O
which	O
allow	O
more	O
"	O
native	O
"	O
integration	O
with	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
.	O
</s>
<s>
The	O
first	O
strategy	O
is	O
often	O
seen	O
as	O
the	O
first	O
step	O
towards	O
complete	O
migration	O
on	O
a	O
SQL	B-Language
server	O
on	O
the	O
stage	O
2	O
,	O
and	O
can	O
be	O
seen	O
as	O
a	O
part	O
of	O
the	O
strategy	O
2	O
.	O
</s>
<s>
Parameter	O
Strategy	O
1	O
Strategy	O
2	O
Database	O
access	O
Via	O
ODBC	B-Application
using	O
ADO	B-Library
,	O
somewhat	O
slower	O
than	O
strategy	O
2	O
.	O
</s>
<s>
Native	O
integration	O
with	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
using	O
Access	O
Data	O
Project	O
(	O
.adp	O
)	O
,	O
data	O
access	O
using	O
ADO	B-Library
Integration	O
Can	O
be	O
integrated	O
with	O
(	O
almost	O
)	O
any	O
RDBMS	O
Native	O
support	O
only	O
for	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
The	O
role	O
of	O
Access	O
Serves	O
as	O
database	O
front-end	B-Architecture
with	O
full	O
features	O
of	O
Microsoft	B-Application
Access	I-Application
Jet	B-Application
Engine	I-Application
and	O
VBA	B-Language
.	O
</s>
<s>
(	O
compare	O
to	O
thick	B-Protocol
client	I-Protocol
)	O
Serves	O
as	O
database	O
front-end	B-Architecture
with	O
limited	O
functionality	O
.	O
</s>
<s>
Local	O
tables	O
are	O
not	O
allowed.There	O
are	O
though	O
the	O
ways	O
to	O
store	O
some	O
data	O
locally	O
using	O
the	O
save	O
methods	O
of	O
recordset	O
object	O
Queries	O
are	O
generally	O
transformed	O
into	O
database	B-Language
views	I-Language
,	O
VBA	B-Language
code	O
manipulating	O
the	O
data	O
is	O
transformed	O
into	O
procedures	O
stored	O
on	O
server	O
.	O
</s>
<s>
(	O
compare	O
to	O
thin	B-Device
client	I-Device
)	O
.	O
</s>
<s>
As	O
any	O
data	B-General_Concept
migration	I-General_Concept
procedure	O
Microsoft	B-Application
Access	I-Application
database	O
upsizing	B-Application
requires	O
fundamental	O
refactoring	O
of	O
the	O
database	O
structure	O
and	O
source	O
code	O
.	O
</s>
<s>
Even	O
though	O
some	O
aspects	O
of	O
this	O
procedure	O
seem	O
to	O
be	O
automatized	O
by	O
the	O
Upsizing	B-Application
Wizard	O
,	O
there	O
are	O
still	O
many	O
points	O
requiring	O
human	O
intervention	O
.	O
</s>
<s>
Complete	O
change	O
of	O
data	O
access	O
interface	O
from	O
DAO	B-Library
to	O
ADO	B-Library
.	O
</s>
<s>
Substantial	O
change	O
of	O
Microsoft	B-Application
Jet	I-Application
SQL	B-Language
to	O
Transact-SQL	B-Language
.	O
</s>
<s>
Reconception	O
of	O
the	O
source	O
code	O
to	O
optimally	O
employ	O
the	O
new	O
functionality	O
of	O
ADO	B-Library
and	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
of	O
the	O
"	O
upsized	O
"	O
solution	O
.	O
</s>
