<s>
A	O
dynaset	B-General_Concept
(	O
short	O
for	O
dynamic	O
set	O
)	O
is	O
a	O
set	O
of	O
data	O
that	O
is	O
dynamically	O
linked	O
back	O
to	O
the	O
database	O
.	O
</s>
<s>
Instead	O
of	O
having	O
the	O
query	O
result	O
stored	O
in	O
a	O
temporary	O
table	O
,	O
where	O
the	O
data	O
cannot	O
be	O
updated	O
directly	O
by	O
the	O
user	O
,	O
the	O
dynaset	B-General_Concept
allows	O
the	O
user	O
to	O
view	O
and	O
update	O
the	O
data	O
contained	O
in	O
the	O
dynaset	B-General_Concept
.	O
</s>
<s>
Thus	O
,	O
if	O
a	O
university	O
lecturer	O
queried	O
all	O
students	O
who	O
received	O
a	O
distinction	O
in	O
their	O
assignment	O
and	O
found	O
an	O
error	O
in	O
that	O
student	O
's	O
record	O
,	O
they	O
would	O
only	O
need	O
to	O
update	O
the	O
data	O
in	O
the	O
dynaset	B-General_Concept
,	O
which	O
would	O
automatically	O
update	O
the	O
student	O
's	O
database	O
record	O
without	O
the	O
need	O
for	O
them	O
to	O
send	O
a	O
specific	O
update	O
query	O
after	O
storing	O
the	O
query	O
results	O
in	O
a	O
temporary	O
table	O
.	O
</s>
<s>
The	O
concept	O
was	O
initially	O
put	O
forth	O
by	O
Dr.	O
E.F.	O
Codd	O
,	O
the	O
inventor	O
of	O
the	O
relational	B-Application
database	I-Application
management	I-Application
system	I-Application
(	O
RDBMS	O
)	O
concept	O
.	O
</s>
<s>
A	O
dynaset	B-General_Concept
is	O
a	O
temporary	O
set	O
of	O
data	O
taken	O
from	O
one	O
or	O
more	O
tables	O
in	O
the	O
underlying	O
file	O
.	O
</s>
<s>
A	O
dynaset	B-General_Concept
may	O
be	O
a	O
query	O
that	O
was	O
defined	O
in	O
an	O
Access	B-Application
database	O
,	O
a	O
single	O
table	O
,	O
a	O
subset	O
of	O
a	O
table	O
,	O
or	O
the	O
result	O
of	O
joining	O
multiple	O
tables	O
.	O
</s>
<s>
A	O
dynaset	B-General_Concept
can	O
be	O
updated	O
if	O
the	O
file	O
is	O
not	O
locked	O
or	O
opened	O
for	O
ReadOnly	O
.	O
</s>
<s>
The	O
data	O
in	O
the	O
dynaset	B-General_Concept
are	O
"	O
live	O
"	O
i.e.	O
,	O
any	O
changes	O
made	O
to	O
the	O
data	O
as	O
a	O
project	O
(	O
in	O
Visual	O
Basic	O
)	O
is	O
executing	O
will	O
appear	O
in	O
the	O
corresponding	O
recordset	O
.	O
</s>
<s>
Note	O
:	O
Dynasets	B-General_Concept
created	O
from	O
joining	O
tables	O
are	O
typically	O
non-updateable	O
.	O
</s>
<s>
The	O
word	O
"	O
dynaset	B-General_Concept
"	O
was	O
coined	O
by	O
David	O
Risher	O
during	O
a	O
design	O
meeting	O
for	O
Microsoft	B-Application
Access	I-Application
1.0	O
.	O
</s>
