<s>
Microsoft	B-Device
Query	I-Device
is	O
a	O
visual	O
method	O
of	O
creating	O
database	B-Application
queries	I-Application
using	O
examples	O
based	O
on	O
a	O
text	O
string	O
,	O
the	O
name	O
of	O
a	O
document	O
or	O
a	O
list	O
of	O
documents	O
.	O
</s>
<s>
The	O
QBE	O
system	O
converts	O
the	O
user	O
input	O
into	O
a	O
formal	O
database	B-Application
query	I-Application
using	O
Structured	B-Language
Query	I-Language
Language	I-Language
(	O
SQL	B-Language
)	O
on	O
the	O
backend	O
,	O
allowing	O
the	O
user	O
to	O
perform	O
powerful	O
searches	O
without	O
having	O
to	O
explicitly	O
compose	O
them	O
in	O
SQL	B-Language
,	O
and	O
without	O
even	O
needing	O
to	O
know	O
SQL	B-Language
.	O
</s>
<s>
It	O
is	O
derived	O
from	O
Moshé	O
M	O
.	O
Zloof	O
's	O
original	O
Query	B-Application
by	I-Application
Example	I-Application
(	O
QBE	O
)	O
implemented	O
in	O
the	O
mid-1970s	O
at	O
IBM	O
's	O
Research	O
Centre	O
in	O
Yorktown	O
,	O
New	O
York	O
.	O
</s>
<s>
In	O
the	O
context	O
of	O
Microsoft	B-Application
Access	I-Application
,	O
QBE	O
is	O
used	O
for	O
introducing	O
students	O
to	O
database	O
querying	O
,	O
and	O
as	O
a	O
user-friendly	O
database	B-Application
management	I-Application
system	I-Application
for	O
small	O
businesses	O
.	O
</s>
<s>
Microsoft	B-Application
Excel	I-Application
allows	O
results	O
of	O
QBE	O
queries	O
to	O
be	O
embedded	O
in	O
spreadsheets	O
.	O
</s>
