Add primary key with Data Tables?

[hugetim]

This old post might be relevant:

Stable user ID =?

Thanks, Meredydd! That’s actually more stable than I was expecting! Many databases will reuse row ids, after a delete, unless you take (database-specific) extra steps. If I may summarize, I think the underlying lesson (for developers) here is simple. A row id identifies one row in one table. Period. Its suitability for identifying anything else will depend on the size, reach, and lifetime of the application. We can define two categories: My app has only one table, in one database, cont…

I use the built-in row id (or links between tables) for situations in which (I think) you’d traditionally use a primary key, but I’m very much an amateur with such things.