Difference between insertion back-end and front-end insertion into a table.

I develop a conversion program for the tax exemption. For this program the table ZX_EXEMPTIONS is used to fill the data and we got confirmation from Oracle also in this regard. To insert the data in this table take us the max of tax_exemption_id who is pk for this table and by adding one to it and insert in the table. But the problem here is after the insertion of the back-end that we are not able to insert front end.

It seems that data backend is the tax_exemption_id which is supposed to reserve front data. Please explain the different behavior of filling of tax_exemption_id of front-end and back-end.

Hello

I think the problem is that you do not value max + 1 tax_exemption_id. But as ZX_EXEMPTIONS uses the ZX_EXEMPTIONS_S sequence
for primary key generation, you encounter the situation as you increase PK Id for this table without increasing the value of the sequence.
When you try to insert rows from front end - which probably uses the value of the sequence - it tries to use a sequence already used by your backend value
treat (which he generated by Maxvalue + 1) and then would face a primary key violation.

I think you need to use the sequence mentioned above for generating your KP login to the backend process. And before that, check the current value
to ZX_EXEMPTIONS_S, you may need to rebuild the sequence to select nextval successfully for the frontend and backend.

Concerning

Tags: Oracle Applications

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