<s>
Data	B-General_Concept
Transformation	I-General_Concept
Services	I-General_Concept
(	O
DTS	B-General_Concept
)	O
is	O
a	O
Microsoft	O
database	O
tool	O
with	O
a	O
set	O
of	O
objects	O
and	O
utilities	O
to	O
allow	O
the	O
automation	O
of	O
extract	O
,	O
transform	O
and	O
load	O
operations	O
to	O
or	O
from	O
a	O
database	O
.	O
</s>
<s>
The	O
objects	O
are	O
DTS	B-General_Concept
packages	I-General_Concept
and	O
their	O
components	O
,	O
and	O
the	O
utilities	O
are	O
called	O
DTS	B-General_Concept
tools	O
.	O
</s>
<s>
DTS	B-General_Concept
was	O
included	O
with	O
earlier	O
versions	O
of	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
,	O
and	O
was	O
almost	O
always	O
used	O
with	O
SQL	O
Server	O
databases	O
,	O
although	O
it	O
could	O
be	O
used	O
independently	O
with	O
other	O
databases	O
.	O
</s>
<s>
DTS	B-General_Concept
allows	O
data	O
to	O
be	O
transformed	O
and	O
loaded	O
from	O
heterogeneous	O
sources	O
using	O
OLE	B-Language
DB	I-Language
,	O
ODBC	B-Application
,	O
or	O
text-only	O
files	O
,	O
into	O
any	O
supported	O
database	O
.	O
</s>
<s>
DTS	B-General_Concept
can	O
also	O
allow	O
automation	O
of	O
data	O
import	O
or	O
transformation	O
on	O
a	O
scheduled	O
basis	O
,	O
and	O
can	O
perform	O
additional	O
functions	O
such	O
as	O
FTPing	B-Protocol
files	O
and	O
executing	O
external	O
programs	O
.	O
</s>
<s>
In	O
addition	O
,	O
DTS	B-General_Concept
provides	O
an	O
alternative	O
method	O
of	O
version	O
control	O
and	O
backup	O
for	O
packages	O
when	O
used	O
in	O
conjunction	O
with	O
a	O
version	O
control	O
system	O
,	O
such	O
as	O
Microsoft	B-Protocol
Visual	I-Protocol
SourceSafe	I-Protocol
.	O
</s>
<s>
DTS	B-General_Concept
has	O
been	O
superseded	O
by	O
SQL	B-Application
Server	I-Application
Integration	I-Application
Services	I-Application
in	O
later	O
releases	O
of	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
though	O
there	O
was	O
some	O
backwards	O
compatibility	O
and	O
ability	O
to	O
run	O
DTS	B-General_Concept
packages	I-General_Concept
in	O
the	O
new	O
SSIS	O
for	O
a	O
time	O
.	O
</s>
<s>
In	O
SQL	O
Server	O
versions	O
6.5	O
and	O
earlier	O
,	O
database	B-General_Concept
administrators	I-General_Concept
(	O
DBAs	O
)	O
used	O
SQL	O
Server	O
Transfer	O
Manager	O
and	O
Bulk	O
Copy	O
Program	O
,	O
included	O
with	O
SQL	O
Server	O
,	O
to	O
transfer	O
data	O
.	O
</s>
<s>
With	O
the	O
release	O
of	O
SQL	O
Server	O
7	O
in	O
1998	O
,	O
"	O
Data	B-General_Concept
Transformation	I-General_Concept
Services	I-General_Concept
"	O
was	O
packaged	O
with	O
it	O
to	O
replace	O
all	O
these	O
tools	O
.	O
</s>
<s>
The	O
concept	O
,	O
design	O
,	O
and	O
implementation	O
of	O
the	O
Data	B-General_Concept
Transformation	I-General_Concept
Services	I-General_Concept
was	O
led	O
by	O
Stewart	O
P	O
.	O
MacLeod	O
(	O
SQL	O
Server	O
Development	O
Group	O
Program	O
Manager	O
)	O
,	O
Vij	O
Rajarajan	O
(	O
SQL	O
Server	O
Lead	O
Developer	O
)	O
,	O
and	O
Ted	O
Hart	O
(	O
SQL	O
Server	O
Lead	O
Developer	O
)	O
.	O
</s>
<s>
SQL	O
Server	O
2000	O
expanded	O
DTS	B-General_Concept
functionality	O
in	O
several	O
ways	O
.	O
</s>
<s>
It	O
introduced	O
new	O
types	O
of	O
tasks	O
,	O
including	O
the	O
ability	O
to	O
FTP	B-Protocol
files	O
,	O
move	O
databases	O
or	O
database	O
components	O
,	O
and	O
add	O
messages	O
into	O
Microsoft	B-Application
Message	I-Application
Queue	I-Application
.	O
</s>
<s>
DTS	B-General_Concept
packages	I-General_Concept
can	O
be	O
saved	O
as	O
a	O
Visual	B-Language
Basic	I-Language
file	O
in	O
SQL	O
Server	O
2000	O
,	O
and	O
this	O
can	O
be	O
expanded	O
to	O
save	O
into	O
any	O
COM-compliant	O
language	O
.	O
</s>
<s>
Microsoft	O
also	O
integrated	O
packages	O
into	O
Windows	B-Protocol
2000	I-Protocol
security	I-Protocol
and	O
made	O
DTS	B-General_Concept
tools	O
more	O
user-friendly	O
;	O
tasks	O
can	O
accept	O
input	O
and	O
output	O
parameters	O
.	O
</s>
<s>
DTS	B-General_Concept
comes	O
with	O
all	O
editions	O
of	O
SQL	O
Server	O
7	O
and	O
2000	O
,	O
but	O
was	O
superseded	O
by	O
SQL	B-Application
Server	I-Application
Integration	I-Application
Services	I-Application
in	O
the	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
2005	O
release	O
in	O
2005	O
.	O
</s>
<s>
The	O
DTS	B-General_Concept
package	I-General_Concept
is	O
the	O
fundamental	O
logical	O
component	O
of	O
DTS	B-General_Concept
;	O
every	O
DTS	B-General_Concept
object	O
is	O
a	O
child	B-Application
component	I-Application
of	O
the	O
package	O
.	O
</s>
<s>
Packages	O
are	O
used	O
whenever	O
one	O
modifies	O
data	O
using	O
DTS	B-General_Concept
.	O
</s>
<s>
Packages	O
can	O
be	O
saved	O
directly	O
in	O
a	O
SQL	O
Server	O
,	O
or	O
can	O
be	O
saved	O
in	O
the	O
Microsoft	O
Repository	O
or	O
in	O
COM	B-Application
files	O
.	O
</s>
<s>
SQL	O
Server	O
2000	O
also	O
allows	O
a	O
programmer	O
to	O
save	O
packages	O
in	O
a	O
Visual	B-Language
Basic	I-Language
or	O
other	O
language	O
file	O
(	O
when	O
stored	O
to	O
a	O
VB	O
file	O
,	O
the	O
package	O
is	O
actually	O
scripted	O
—	O
that	O
is	O
,	O
a	O
VB	O
script	O
is	O
executed	O
to	O
dynamically	O
create	O
the	O
package	O
objects	O
and	O
its	O
component	O
objects	O
)	O
.	O
</s>
<s>
A	O
package	O
can	O
contain	O
any	O
number	O
of	O
connection	B-Library
objects	I-Library
,	O
but	O
does	O
not	O
have	O
to	O
contain	O
any	O
.	O
</s>
<s>
A	O
DTS	B-General_Concept
Task	O
is	O
a	O
discrete	O
set	O
of	O
functionalities	O
executed	O
as	O
a	O
single	O
step	O
in	O
a	O
DTS	B-General_Concept
package	I-General_Concept
.	O
</s>
<s>
Data	B-General_Concept
Transformation	I-General_Concept
Services	I-General_Concept
supplies	O
a	O
number	O
of	O
tasks	O
that	O
are	O
part	O
of	O
the	O
DTS	B-General_Concept
object	B-Application
model	I-Application
and	O
that	O
can	O
be	O
accessed	O
graphically	O
through	O
the	O
DTS	B-General_Concept
Designer	O
or	O
accessed	O
programmatically	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
following	O
types	O
of	O
tasks	O
represent	O
some	O
actions	O
that	O
you	O
can	O
perform	O
by	O
using	O
DTS	B-General_Concept
:	O
executing	O
a	O
single	O
SQL	O
statement	O
,	O
sending	O
an	O
email	O
,	O
and	O
transferring	O
a	O
file	O
with	O
FTP	B-Protocol
.	O
</s>
<s>
A	O
step	O
within	O
a	O
DTS	B-General_Concept
package	I-General_Concept
describes	O
the	O
order	O
in	O
which	O
tasks	O
are	O
run	O
and	O
the	O
precedence	O
constraints	O
that	O
describe	O
what	O
to	O
do	O
in	O
the	O
case	O
damage	O
or	O
of	O
failure	O
.	O
</s>
<s>
DTS	B-General_Concept
packages	I-General_Concept
can	O
be	O
edited	O
,	O
password	O
protected	O
,	O
scheduled	O
for	O
execution	O
,	O
and	O
retrieved	O
by	O
version	O
.	O
</s>
<s>
DTS	B-General_Concept
tools	O
packaged	O
with	O
SQL	O
Server	O
include	O
the	O
DTS	B-General_Concept
wizards	O
,	O
DTS	B-General_Concept
Designer	O
,	O
and	O
DTS	B-General_Concept
Programming	O
Interfaces	O
.	O
</s>
<s>
The	O
DTS	B-General_Concept
wizards	O
can	O
be	O
used	O
to	O
perform	O
simple	O
or	O
common	O
DTS	B-General_Concept
tasks	I-General_Concept
.	O
</s>
<s>
They	O
provide	O
the	O
simplest	O
method	O
of	O
copying	O
data	O
between	O
OLE	B-Language
DB	I-Language
data	O
sources	O
.	O
</s>
<s>
However	O
,	O
a	O
package	O
created	O
with	O
a	O
wizard	O
can	O
be	O
saved	O
and	O
later	O
altered	O
with	O
one	O
of	O
the	O
other	O
DTS	B-General_Concept
tools	O
.	O
</s>
<s>
This	O
only	O
works	O
if	O
SQL	B-Language
Server	I-Language
Agent	I-Language
is	O
running	O
;	O
otherwise	O
the	O
package	O
will	O
be	O
scheduled	O
,	O
but	O
will	O
not	O
be	O
executed	O
.	O
</s>
<s>
The	O
DTS	B-General_Concept
Designer	O
is	O
a	O
graphical	B-Application
tool	I-Application
used	O
to	O
build	O
complex	O
DTS	B-General_Concept
Packages	I-General_Concept
with	O
workflows	O
and	O
event-driven	O
logic	O
.	O
</s>
<s>
DTS	B-General_Concept
Designer	O
can	O
also	O
be	O
used	O
to	O
edit	O
and	O
customize	O
DTS	B-General_Concept
Packages	I-General_Concept
created	O
with	O
the	O
DTS	B-General_Concept
wizard	O
.	O
</s>
<s>
Each	O
connection	O
and	O
task	O
in	O
DTS	B-General_Concept
Designer	O
is	O
shown	O
with	O
a	O
specific	O
icon	O
.	O
</s>
<s>
The	O
DTS	B-General_Concept
Designer	O
has	O
been	O
criticized	O
for	O
having	O
unusual	O
quirks	O
and	O
limitations	O
,	O
such	O
as	O
the	O
inability	O
to	O
visually	O
copy	B-General_Concept
and	I-General_Concept
paste	I-General_Concept
multiple	O
tasks	O
at	O
one	O
time	O
.	O
</s>
<s>
Many	O
of	O
these	O
shortcomings	O
have	O
been	O
overcome	O
in	O
SQL	B-Application
Server	I-Application
Integration	I-Application
Services	I-Application
,	O
DTS	B-General_Concept
's	O
successor	O
.	O
</s>
<s>
A	O
graphical	B-Application
tool	I-Application
used	O
to	O
build	O
queries	B-Library
in	O
DTS	B-General_Concept
.	O
</s>
<s>
DTS	B-General_Concept
Packages	I-General_Concept
can	O
be	O
run	O
from	O
the	O
command	O
line	O
using	O
the	O
DTSRUN	O
Utility	O
.	O
</s>
