Arrays Question? -Simon Moses

dear sir,

i want to use arrays(like int4[]) in my tables insted
of taking many int4 fields.
----------
for ex.

Intvalues int4[2]

insted of

bill_no int4
qty int4

i can assume that int4[1] is bill_no and int4[2] is
qty.
i can change code to support '{1,2}' syntax.
----------
is there any performance problem?
is there any SQL syntax problem? like i cannot put
'order by' or 'group by' or where condition or .. ?
is there anyone using this without any problems?
in future will i get problems?

thanks in advance.
-Simon Moses
Bangalore.
India.

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updated: 22 February 2004.
Simon Moses
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