<s>
CSQL	B-Application
was	O
a	O
software	O
project	O
,	O
intended	O
to	O
be	O
an	O
open	B-Application
source	I-Application
main	B-General_Concept
memory	I-General_Concept
high-performance	O
relational	B-Application
database	I-Application
management	I-Application
system	I-Application
developed	O
at	O
sourceforge.net	B-Application
.	O
</s>
<s>
It	O
was	O
supposed	O
to	O
provide	O
high	O
performance	O
for	O
SQL	B-Language
queries	O
and	O
DML	B-Language
statements	O
.	O
</s>
<s>
As	O
of	O
2022	O
the	O
software	O
was	O
never	O
functional	O
and	O
unavailable	O
under	O
an	O
open	B-Application
source	I-Application
license	O
.	O
</s>
<s>
It	O
was	O
configured	O
to	O
work	O
as	O
transparent	O
cache	O
for	O
database	O
management	O
systems	O
such	O
as	O
MySQL	B-Application
and	O
PostgreSQL	B-Application
,	O
circa	O
2009	O
.	O
</s>
<s>
As	O
there	O
is	O
no	O
disk	O
I/O	O
,	O
in-memory	B-General_Concept
databases	I-General_Concept
provide	O
a	O
predictive	O
response	O
time	O
which	O
is	O
suited	O
to	O
real	O
time	O
and	O
near	O
real	O
time	O
applications	O
.	O
</s>
