<s>
mSQL	B-Application
or	O
Mini	O
SQL	B-Language
is	O
a	O
lightweight	O
database	B-Application
management	I-Application
system	I-Application
from	O
Hughes	O
Technologies	O
.	O
</s>
<s>
The	O
design	O
of	O
this	O
system	O
required	O
a	O
database	B-Application
management	I-Application
system	I-Application
to	O
store	O
its	O
configuration	O
and	O
working	O
data	O
.	O
</s>
<s>
To	O
enable	O
future	O
portability	O
,	O
Hughes	O
elected	O
to	O
use	O
a	O
Structured	B-Language
Query	I-Language
Language	I-Language
interface	O
between	O
the	O
application	O
and	O
the	O
database	B-Application
management	I-Application
system	I-Application
,	O
despite	O
the	O
fact	O
that	O
at	O
the	O
time	O
there	O
was	O
no	O
free	O
or	O
inexpensive	O
SQL	B-Language
database	I-Language
management	O
implementation	O
available	O
.	O
</s>
<s>
Hughes	O
therefore	O
developed	O
a	O
translation	O
program	O
which	O
provided	O
an	O
SQL	B-Language
interface	O
to	O
the	O
free	O
Postgres	B-Application
DBMS	O
(	O
which	O
did	O
not	O
use	O
SQL	B-Language
)	O
.	O
</s>
<s>
This	O
product	O
was	O
named	O
miniSQL	O
,	O
or	O
mSQL	B-Application
.	O
</s>
<s>
In	O
time	O
it	O
became	O
clear	O
that	O
Postgres	B-Application
did	O
not	O
perform	O
adequately	O
on	O
the	O
low-specification	O
systems	O
used	O
to	O
run	O
Minerva	O
,	O
so	O
mSQL	B-Application
developed	O
into	O
a	O
lightweight	O
database	B-Application
management	I-Application
system	I-Application
in	O
its	O
own	O
right	O
,	O
implementing	O
a	O
limited	O
subset	O
of	O
the	O
SQL	B-Language
standard	O
,	O
but	O
performing	O
well	O
on	O
minimally	O
specified	O
hardware	O
.	O
</s>
<s>
mSQL	B-Application
was	O
the	O
first	O
low-cost	O
SQL-based	O
database	B-Application
management	I-Application
system	I-Application
.	O
</s>
<s>
Combined	O
with	O
the	O
free	O
Linux	B-Application
operating	I-Application
system	I-Application
,	O
the	O
availability	O
of	O
relatively	O
powerful	O
low-cost	O
PC	O
hardware	O
,	O
and	O
the	O
development	O
of	O
World	O
Wide	O
Web	O
standards	O
and	O
technologies	O
,	O
mSQL	B-Application
was	O
an	O
important	O
factor	O
in	O
the	O
early	O
development	O
of	O
interactive	O
,	O
dynamic	O
web	O
applications	O
,	O
particularly	O
in	O
the	O
period	O
1994	O
–	O
1997	O
,	O
after	O
which	O
it	O
was	O
increasingly	O
supplanted	O
by	O
the	O
more	O
highly	O
featured	O
MySQL	B-Application
.	O
</s>
<s>
mSQL	B-Application
had	O
a	O
large	O
and	O
widespread	O
install	O
base	O
by	O
the	O
late	O
1990s	O
.	O
</s>
<s>
Despite	O
being	O
offered	O
in	O
source	O
code	O
form	O
,	O
and	O
being	O
strongly	O
associated	O
with	O
open	B-Application
source	I-Application
software	I-Application
,	O
mSQL	B-Application
itself	O
has	O
never	O
been	O
offered	O
under	O
an	O
open	B-Application
source	I-Application
license	O
.	O
</s>
<s>
mSQL	B-Application
is	O
provided	O
free	O
for	O
non-commercial	O
use	O
.	O
</s>
<s>
By	O
1996	O
,	O
development	O
on	O
mSQL	B-Application
began	O
to	O
stagnate	O
and	O
MySQL	B-Application
arose	O
to	O
fill	O
that	O
void	O
.	O
</s>
<s>
By	O
1999	O
,	O
MySQL	B-Application
had	O
surpassed	O
mSQL	B-Application
in	O
popularity	O
and	O
today	O
mSQL	B-Application
has	O
less	O
visibility	O
.	O
</s>
<s>
At	O
this	O
time	O
the	O
database	B-Application
system	I-Application
is	O
more	O
often	O
licensed	O
by	O
other	O
companies	O
for	O
use	O
in	O
their	O
products	O
than	O
used	O
by	O
end-users	O
directly	O
.	O
</s>
<s>
mSQL	B-Application
is	O
actively	O
maintained	O
and	O
developed	O
primarily	O
to	O
support	O
its	O
licensees	O
and	O
internal	O
use	O
within	O
Hughes	O
Technologies	O
products	O
and	O
projects	O
.	O
</s>
<s>
mSQL	B-Application
4.4	O
was	O
released	O
in	O
October	O
2021	O
.	O
</s>
<s>
mSQL	B-Application
originally	O
supported	O
several	O
host	O
languages	O
:	O
</s>
