Can we have a query like

Question

Hi friends,
I would like to know if this could be possible
we have some 20 business like bus_ind, bus_usa, bus_jap...
I have to do the below query each of the business
for bus_ind
SELECT COUNT(*)
FROM bus_ind
WHERE
workdate BETWEEN TO_DATE('01/01/2008','DD/MM/YYYY') AND TO_DATE('31/12/2008','DD/MM/YYYY') AND
workid NOT IN (6,7) AND
NOT EXISTS (SELECT 'X' FROM bus_ind WHERE somecol = workid);
instead of having 20 such query i was trying to see if there is a possibility to have a table like
shytest
id, tbl
1 bus_ind
2 bus_jap
3 bus_usa
and a single query like
SELECT COUNT(*)
FROM (select tbl from shytest where id=1)
WHERE
workdate BETWEEN TO_DATE('01/01/2008','DD/MM/YYYY') AND TO_DATE('31/12/2008','DD/MM/YYYY') AND
workid NOT IN (6,7) AND
NOT EXISTS (SELECT 'X' FROM bus_ind WHERE somecol = workid);
Thanks
-vish

Answer 1

According to your requirnment there should be only one table for all the bussinesses with different partitions for all the bussiness.
For now you can also create one veiw for all the business.. & fire you all query on that
create or replace view business_view as
     select 'bus_ind' as business_loc, col1, col2, ... from bus_ind union all
     select 'bus_usa' as business_loc, col1, col2, ... from bus_usa union all
     ...Or you can also use Dynamic sql as all other are suggesting.
Regards
Singh