<s>
In	O
relational	B-Application
databases	I-Application
,	O
a	O
nested	B-Language
table	I-Language
is	O
a	O
table	B-Application
that	O
is	O
embedded	O
within	O
another	O
table	B-Application
.	O
</s>
<s>
Individual	O
elements	O
can	O
be	O
inserted	O
,	O
updated	O
,	O
and	O
deleted	O
in	O
a	O
nested	B-Language
table	I-Language
.	O
</s>
<s>
Since	O
individual	O
elements	O
can	O
be	O
modified	O
in	O
a	O
nested	B-Language
table	I-Language
,	O
they	O
are	O
more	O
flexible	O
than	O
an	O
array	B-Data_Structure
because	O
elements	O
in	O
an	O
array	B-Data_Structure
can	O
only	O
be	O
modified	O
as	O
a	O
whole	O
,	O
not	O
individually	O
.	O
</s>
<s>
A	O
nested	B-Language
table	I-Language
does	O
n't	O
have	O
a	O
maximum	O
size	O
,	O
and	O
an	O
arbitrary	O
number	O
of	O
elements	O
can	O
be	O
stored	O
in	O
it	O
.	O
</s>
