Many to many relation. How?

[Robert Brenstein]

>  >
>>  Ah, I did not realize that you are talking client-server. A variation
>>  of this can still work but details would depend on your specific
>>  situation. If your serialization is only to get unique identication,
>>  then you could use the recId values that Valentina assigns
>>  automatically. If your records are not deleted, these would actually
>>  be serial numbers.
>>
>>  Robert
>
>Unfortunately, records will be delete. So I need ids.
>
>Cheers,
>Ralf

If you delete, then your ids are not serialized (as in newer not 
always having a higher number) but you probably timestamp them 
anyway. So if you do not have the requirement that they keep always 
increasing, then you can still use the built-in recId as id.

Robert