<s>
SQL-Ledger	B-Language
is	O
an	O
ERP	O
and	O
double	O
entry	O
accounting	O
system	O
.	O
</s>
<s>
Accounting	O
data	O
is	O
stored	O
in	O
an	O
SQL	B-Language
database	I-Language
server	O
and	O
a	O
standard	O
web	B-Application
browser	I-Application
can	O
be	O
used	O
as	O
its	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
The	O
system	O
uses	O
the	O
Perl	B-Language
language	I-Language
with	O
a	O
database	O
interface	O
module	O
for	O
processing	O
and	O
PostgreSQL	B-Application
for	O
data	O
storage	O
which	O
is	O
the	O
preferred	O
platform	O
.	O
</s>
<s>
The	O
download	O
version	O
also	O
includes	O
schemas	O
for	O
IBM	O
's	O
DB2	O
database	O
server	O
as	O
well	O
as	O
Oracle	B-General_Concept
.	O
</s>
<s>
SQL-Ledger	B-Language
offers	O
all	O
of	O
the	O
standard	O
features	O
of	O
SMB	O
accounting	O
software	O
.	O
</s>
<s>
Not	O
only	O
is	O
the	O
user	B-Application
interface	I-Application
multi-lingual	O
,	O
but	O
it	O
also	O
offers	O
the	O
ability	O
to	O
print	O
out	O
statements	O
,	O
invoices	O
,	O
and	O
the	O
like	O
in	O
the	O
language	O
of	O
the	O
customer	O
,	O
even	O
if	O
the	O
user	O
does	O
not	O
know	O
the	O
language	O
in	O
which	O
the	O
content	O
is	O
being	O
printed	O
.	O
</s>
<s>
At	O
its	O
inception	O
,	O
SQL-Ledger	B-Language
used	O
the	O
GNU	O
GPL	O
2.0	O
license	O
.	O
</s>
<s>
In	O
late	O
2006	O
,	O
LedgerSMB	B-Application
was	O
created	O
as	O
a	O
secure	O
fork	O
of	O
SQL-Ledger	B-Language
.	O
</s>
<s>
In	O
early	O
2007	O
,	O
SQL-Ledger	B-Language
2.8	O
was	O
released	O
under	O
the	O
'	O
SQL-Ledger	B-Language
Open	O
Source	O
License	O
,	O
a	O
license	O
which	O
retroactively	O
revokes	O
all	O
previous	O
licenses	O
under	O
which	O
the	O
covered	O
code	O
had	O
been	O
released	O
.	O
</s>
<s>
However	O
,	O
within	O
a	O
month	O
,	O
SQL-Ledger	B-Language
2.8.1	O
was	O
released	O
,	O
under	O
the	O
GNU	O
GPL	O
2.0	O
.	O
</s>
