find the most recent record inserted by using rowid

Yes, I suspect that it is a bad idea!

I work with an application that has been modelled incorrectly. a historical table of the status had been modeled with a primary key on a key of the company and the entry into force instead of the date of the end of the recording of the State. There is one status as possible at the same time.

logic has been developed to insert new records of status with the dates of null terminator and then a trigger was provided that populated end dates except the one with the MAX (ROWID). so the hope is that ROWID will always get bigger.

now, the database has been moved in environments of promotion using data pump. in our development environments, it always seems to work. but not in promotional customers environments.

My question is: is there a setting associated with data pump that the client has used that does not respect the ROWID as it has in our development environment?

I'm trying to determine if there is a way to continue to use the old code without immediately re-development.

Thanks in advance for your comments.

so the hope is that ROWID will always get bigger.

It is an expectation that has no guarantee of being correct. He has a very good chance that a new line will have a lower value of the ROWID.

My question is: is there a setting associated with data pump that the client has used that does not respect the ROWID as it has in our development environment?

There is not this setting. Data pump just inserts rows into a table. Because we cannot guarantee that the next row will have a higher ROWID, then what you are looking for there is no.

It is time to rethink this misguided approach.

See you soon,.
Brian

Tags: Database

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