Hello,
I've a table mt ( mt1 NUMBER(10) NOT NULL ) with unique index on the mt1
column.
There's a sequence of numbers 1,2,3,4,6,7,8,10,11 ... in the mt1
Now, I want to get the smallest number which is not in mt1
(excluding min(mt1)-x of course) into XY (in my example is it n. 5).
When I use SELECT MIN(mt1)-1 INTO XY FROM MT WHERE MT1 NOT IN (select mt1+1
from mt)
my perfromance goes pretty down :-))) (there's about 5 mil. of numbers).
Some idea how to get it without cursor?
Thanks (and sorry it's monday)
JP
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Author: Jan Pruner
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