Nadya,

You don't need a PK for an updatable view. Just tag all of the compsite key fields as the key in the view designer. Of course, a PK puts less strain on the database engine and reduces the size of the WHERE clause.

- Keith

>>>Hi everybody,
>>>
>>>I have a table, which doesn't have a PK. I'd like to make an updatable local view based on this table. Do I need to make a PK? Can I use composite key, like bintoc(DsID)+extryear+extrweek (which should be unique...)?
>>
>>How about giving the table a PK?
>
>Yes, I'm thinking, this might be necessary, and also the simplest solution. On the other hand, I now would need to add NextID table, SP, etc. I was hoping, may be there is workaround... Anyway, I just accidentally zaped this table, so adding PK would not be a big problem... :)