>Guys,
>
>one of my developers is using sequence to
>auto-increment the value
>of a column while inserting.
>
>he has created a sequence like this.
>
>SQL > create sequence testseq start with 1;
>
>and then uses a INSERT statement as below in a JSP.
>
>
>insert into testtab values
>('BREAD'||testseq.nextval);
>
>after some inserts .....when he does SELECT from
>TESTTAB...he
>finds
>the values as :
>
>BREAD1
>BREAD2
>BREAD3
>BREAD4
>BREAD21
>BREAD22
>
>it should increment by 1.but it is not so ?
>
>any hint/clue ????
>
>Regards,
>Jp.
>
A gap lower than 20 points to unused cached values (default cache = 20). Can be a
database rebounce, or (possibly, I have not checked) some ALTER SYSTEM FLUSH
SHARED_POOL. Of course, rollbacks also introduce gaps, whatever the number of cached
values.
Regards,
Stephane Faroult
Oriole
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Author: Stephane Faroul
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