<s>
Aria	B-Application
is	O
a	O
storage	B-General_Concept
engine	I-General_Concept
for	O
the	O
MariaDB	B-Application
and	O
MySQL	B-Application
relational	B-Application
database	I-Application
management	I-Application
systems	I-Application
.	O
</s>
<s>
Its	O
goal	O
is	O
to	O
make	O
a	O
crash-safe	O
alternative	O
to	O
MyISAM	B-Language
.	O
</s>
<s>
It	O
is	O
not	O
transactional	B-General_Concept
.	O
</s>
<s>
Aria	B-Application
has	O
been	O
in	O
development	O
since	O
2007	O
and	O
was	O
first	O
announced	O
by	O
Michael	O
"	O
Monty	O
"	O
Widenius	O
on	O
his	O
blog	O
.	O
</s>
<s>
Aria	B-Application
is	O
used	O
for	O
internal	O
temporary	O
tables	O
in	O
MariaDB	B-Application
,	O
a	O
community-developed	O
branch	O
of	O
the	O
MySQL	B-Application
database	O
led	O
by	O
Widenius	O
.	O
</s>
<s>
Aria	B-Application
is	O
not	O
shipped	O
with	O
MySQL	B-Application
or	O
Percona	B-Application
Server	I-Application
.	O
</s>
<s>
The	O
Maria	B-Application
project	O
is	O
hosted	O
on	O
Launchpad	B-Protocol
.	O
</s>
<s>
Aria	B-Application
was	O
initially	O
named	O
"	O
Maria	B-Application
"	O
,	O
as	O
a	O
reference	O
to	O
Monty	O
's	O
youngest	O
child	O
.	O
</s>
<s>
It	O
was	O
renamed	O
Aria	B-Application
in	O
2010	O
to	O
avoid	O
confusion	O
with	O
the	O
main	O
database	O
it	O
is	O
developed	O
for	O
,	O
MariaDB	B-Application
.	O
</s>
<s>
Chris	O
Tooley	O
,	O
who	O
won	O
a	O
contest	O
to	O
suggest	O
the	O
name	O
,	O
wrote	O
,	O
"	O
Aria	B-Application
is	O
Maria	B-Application
without	O
the	O
'	O
M	O
 '	O
;	O
also	O
it	O
is	O
a	O
pleasant	O
musical	O
term.	O
"	O
</s>
<s>
Aria	B-Application
is	O
very	O
similar	O
to	O
MyISAM	B-Language
,	O
but	O
its	O
purpose	O
is	O
to	O
be	O
a	O
crash-safe	O
alternative	O
to	O
MyISAM	B-Language
.	O
</s>
<s>
Aria	B-Application
does	O
not	O
support	O
foreign	B-Application
keys	I-Application
and	O
,	O
currently	O
,	O
transactions	O
.	O
</s>
<s>
Aria	B-Application
supports	O
:	O
</s>
<s>
Fulltext	B-Application
indexes	O
;	O
</s>
<s>
Virtual	B-General_Concept
columns	I-General_Concept
.	O
</s>
<s>
Non-partitioned	O
Aria	B-Application
tables	O
consist	O
of	O
three	O
physical	O
files	O
:	O
</s>
<s>
The	O
.frm	B-Language
file	O
contains	O
the	O
table	O
definition	O
(	O
this	O
file	O
exists	O
for	O
all	O
storage	B-General_Concept
engines	I-General_Concept
which	O
write	O
data	O
to	O
disk	O
)	O
.	O
</s>
<s>
Three	O
table	O
formats	O
are	O
available	O
for	O
Aria	B-Application
tables	O
:	O
</s>
<s>
PAGE	O
is	O
the	O
only	O
format	O
available	O
for	O
"	O
transactional	B-General_Concept
"	O
tables	O
.	O
</s>
<s>
It	O
makes	O
Aria	B-Application
tables	O
crash-safe	O
.	O
</s>
<s>
FIXED	O
and	O
DYNAMIC	O
are	O
the	O
same	O
formats	O
used	O
by	O
MyISAM	B-Language
,	O
and	O
have	O
been	O
mainly	O
implemented	O
for	O
compatibility	O
.	O
</s>
<s>
However	O
,	O
MyISAM	B-Language
's	O
COMPRESSED	O
format	O
is	O
not	O
available	O
in	O
Aria	B-Application
.	O
</s>
