<s>
SAP	B-Application
ASE	I-Application
(	O
Adaptive	B-Application
Server	I-Application
Enterprise	I-Application
)	O
,	O
originally	O
known	O
as	O
Sybase	B-Application
SQL	I-Application
Server	I-Application
,	O
and	O
also	O
commonly	O
known	O
as	O
Sybase	B-Application
DB	I-Application
or	O
Sybase	B-Application
ASE	I-Application
,	O
is	O
a	O
relational	B-Architecture
model	I-Architecture
database	B-Application
server	I-Application
developed	O
by	O
Sybase	B-Application
Corporation	I-Application
,	O
which	O
later	O
became	O
part	O
of	O
SAP	B-Application
AG	I-Application
.	O
</s>
<s>
ASE	B-Application
was	O
developed	O
for	O
the	O
Unix	B-Application
operating	I-Application
system	I-Application
,	O
and	O
is	O
also	O
available	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
In	O
1988	O
,	O
Sybase	B-Application
,	O
Microsoft	O
and	O
Ashton-Tate	O
began	O
development	O
of	O
a	O
version	O
of	O
SQL	O
Server	O
for	O
OS/2	B-Application
,	O
but	O
Ashton-Tate	O
later	O
left	O
the	O
group	O
and	O
Microsoft	O
went	O
on	O
to	O
port	O
the	O
system	O
to	O
Windows	B-Device
NT	I-Device
.	O
</s>
<s>
When	O
the	O
agreement	O
expired	O
in	O
1993	O
,	O
Microsoft	O
purchased	O
a	O
license	O
for	O
the	O
source	O
code	O
and	O
began	O
to	O
sell	O
this	O
product	O
as	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
.	O
</s>
<s>
MS	B-Application
SQL	I-Application
Server	I-Application
and	O
Sybase	B-Application
SQL	I-Application
Server	I-Application
share	O
many	O
features	O
and	O
syntax	O
peculiarities	O
.	O
</s>
<s>
Bob	O
Epstein	O
left	O
Britton	O
Lee	O
,	O
Inc	O
.	O
to	O
help	O
found	O
Sybase	B-Application
and	O
carried	O
a	O
lot	O
of	O
the	O
ideas	O
from	O
the	O
hardware	O
database	O
with	O
him	O
.	O
</s>
<s>
Originally	O
developed	O
for	O
Unix	B-Application
operating	I-Application
system	I-Application
platforms	O
in	O
1987	O
,	O
Sybase	B-Application
Corporation	I-Application
's	O
primary	O
relational	B-Application
database	I-Application
management	I-Application
system	I-Application
product	O
was	O
initially	O
marketed	O
under	O
the	O
name	O
Sybase	B-Application
SQL	I-Application
Server	I-Application
.	O
</s>
<s>
In	O
1988	O
,	O
SQL	O
Server	O
for	O
OS/2	B-Application
was	O
co-developed	O
for	O
the	O
PC	O
by	O
Sybase	B-Application
,	O
Microsoft	O
,	O
and	O
Ashton-Tate	O
.	O
</s>
<s>
Ashton-Tate	O
divested	O
its	O
interest	O
and	O
Microsoft	O
became	O
the	O
lead	O
partner	O
after	O
porting	O
SQL	O
Server	O
to	O
Windows	B-Device
NT	I-Device
.	O
</s>
<s>
Microsoft	O
and	O
Sybase	B-Application
sold	O
and	O
supported	O
the	O
product	O
through	O
version	O
4.2.1	O
.	O
</s>
<s>
Sybase	B-Application
released	O
SQL	O
Server	O
4.2	O
in	O
1992	O
.	O
</s>
<s>
This	O
release	O
included	O
internationalization	B-General_Concept
and	I-General_Concept
localization	I-General_Concept
and	O
support	O
for	O
symmetric	B-Operating_System
multiprocessing	I-Operating_System
systems	O
.	O
</s>
<s>
In	O
1993	O
,	O
the	O
co-development	O
licensing	O
agreement	O
between	O
Microsoft	O
and	O
Sybase	B-Application
ended	O
,	O
and	O
the	O
companies	O
parted	O
ways	O
after	O
an	O
amicable	O
solution	O
was	O
reached	O
.	O
</s>
<s>
Sybase	B-Application
wanted	O
to	O
develop	O
on	O
the	O
Intel	O
Unix	B-Application
platform	O
and	O
Microsoft	O
wanted	O
Windows	O
specific	O
solutions	O
.	O
</s>
<s>
As	O
part	O
of	O
the	O
agreement	O
Sybase	B-Application
released	O
the	O
System	O
10	O
codeline	O
to	O
Microsoft	O
and	O
Microsoft	O
gave	O
up	O
exclusive	O
rights	O
to	O
Intel	O
platforms	O
.	O
</s>
<s>
Sybase	B-Application
released	O
Sybase	B-Application
SQL	I-Application
Server	I-Application
10.0	O
,	O
which	O
was	O
part	O
of	O
the	O
System	O
10	O
product	O
family	O
,	O
which	O
also	O
included	O
Back-up	O
Server	O
(	O
a	O
very	O
high	O
performance	O
parallel	O
backup	O
process	O
)	O
,	O
Replication	O
Server	O
(	O
to	O
provide	O
replicate	O
sites	O
)	O
,	O
Navigation	O
Server	O
(	O
a	O
shared	O
nothing	O
parallel	O
server	O
)	O
,	O
Open	O
Client/Server	O
APIs	O
,	O
SQL	O
Monitor	O
,	O
SA	O
Companion	O
and	O
OmniSQL	O
Gateway	O
.	O
</s>
<s>
Microsoft	O
continued	O
on	O
with	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
.	O
</s>
<s>
Sybase	B-Application
provides	O
native	O
low-level	O
programming	O
interfaces	O
to	O
its	O
database	B-Application
server	I-Application
which	O
uses	O
a	O
protocol	O
called	O
Tabular	B-Protocol
Data	I-Protocol
Stream	I-Protocol
.	O
</s>
<s>
In	O
1995	O
,	O
Sybase	B-Application
released	O
SQL	O
Server	O
11.0	O
.	O
</s>
<s>
Starting	O
with	O
version	O
11.5	O
released	O
in	O
1996	O
,	O
Sybase	B-Application
moved	O
to	O
differentiate	O
its	O
product	O
from	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
by	O
renaming	O
it	O
to	O
Adaptive	B-Application
Server	I-Application
Enterprise	I-Application
.	O
</s>
<s>
Sybase	B-Application
11.5	O
added	O
Asynchronous	O
prefetch	O
,	O
case	O
expression	O
in	O
sql	O
,	O
the	O
optimizer	O
can	O
use	O
a	O
descending	O
index	O
to	O
avoid	O
the	O
need	O
for	O
a	O
worktable	O
and	O
a	O
sort	O
.	O
</s>
<s>
In	O
1998	O
,	O
ASE	B-Application
11.9.2	O
was	O
rolled	O
out	O
with	O
support	O
for	O
data	O
pages	O
locking	O
,	O
data	O
rows	O
(	O
row-level	O
locking	O
)	O
,	O
distributed	O
joins	O
and	O
improved	O
SMP	B-Operating_System
performance	O
.	O
</s>
<s>
In	O
1999	O
,	O
ASE	B-Application
12.0	O
was	O
released	O
,	O
providing	O
support	O
for	O
Java	B-Language
,	O
high	O
availability	O
and	O
distributed	O
transaction	O
management	O
.	O
</s>
<s>
In	O
2001	O
,	O
ASE	B-Application
12.5	O
was	O
released	O
,	O
providing	O
features	O
such	O
as	O
dynamic	O
memory	O
allocation	O
,	O
an	O
EJB	B-Language
container	I-Language
,	O
support	O
for	O
XML	B-Protocol
,	O
Secure	B-Protocol
Sockets	I-Protocol
Layer	I-Protocol
(	O
SSL	O
)	O
and	O
LDAP	B-Protocol
.	O
</s>
<s>
In	O
2005	O
,	O
Sybase	B-Application
released	O
ASE	B-Application
15.0	O
.	O
</s>
<s>
In	O
ASE	B-Application
15.0	O
,	O
many	O
parameters	O
that	O
had	O
been	O
static	O
(	O
which	O
required	O
server	O
reboot	O
for	O
the	O
changes	O
to	O
take	O
place	O
)	O
were	O
made	O
dynamic	O
(	O
changes	O
take	O
effect	O
immediately	O
)	O
.	O
</s>
<s>
On	O
January	O
27	O
,	O
2010	O
,	O
Sybase	B-Application
released	O
ASE	B-Application
15.5	O
.	O
</s>
<s>
In	O
July	O
2010	O
,	O
Sybase	B-Application
became	O
a	O
wholly	O
owned	O
subsidiary	O
of	O
SAP	B-Application
America	I-Application
.	O
</s>
<s>
On	O
September	O
13	O
,	O
2011	O
,	O
Sybase	B-Application
released	O
ASE	B-Application
15.7	O
at	O
Techwave	O
.	O
</s>
<s>
In	O
April	O
2014	O
,	O
SAP	B-Application
released	O
ASE	B-Application
16	O
.	O
</s>
<s>
A	O
single	O
standalone	O
installation	O
of	O
ASE	B-Application
typically	O
comprises	O
one	O
"	O
dataserver	O
"	O
and	O
one	O
corresponding	O
"	O
backup	O
server	O
"	O
.	O
</s>
<s>
ASE	B-Application
is	O
a	O
single	O
process	O
multithreaded	O
dataserver	O
application	O
.	O
</s>
