How to increment the date using sequence?

how to increment the date using sequence?
01-jan-10
02-jan-10
30-jan-10

794244 wrote:
how to increment the date using sequence?
01-jan-10
02-jan-10
30-jan-10This doesn't look like a task where a sequence is usefull.
A sequence is a number generator that guarantees that multiple sessions will all get a different number.
Even if the sequence is fetched for differnent users (=sessions) that the same time.
This in turn means that the value returned by the sequence will depend on actions done in other sessions.
Typical task: create a new unique primary key number. The number MUST be different in all sessions.
In your case I guess that the same logic should work regardless of the session that executes it. So you need a "number generator" that works indepented from other session values. There are several ways to create such a numbered list.
The basic idea is to create a select statement that simply returns as many rows as you need. And then use ROWNUM as the number generator. Examples how to do this have already been given. LEVEL works also in hierarchical queries.
if my interpretation of your requirement is right, then all answers that really used a sequence seem to be wrong. Even if the output looks ok. At best they are just slow. To create new sequence values is a complex task and the database needs a little time for all the synchonization issues that come with it. At worst it will have gaps in the sequence because other sessions used the same value while the numbers were created.
Edited by: Sven W. on Sep 20, 2010 2:08 PM

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