I'm a developer but my library will be random stuff of all my interests
The creation of rules is more creative than the destruction of them. Creation demands a higher level of reasoning and draws connections between cause and effect. The best rules are never stable or permanent, but evolve, naturally according to content or need.
First, if and when you need to merge two databases that now have the same Primary Key ID values for the same table, your screwed. You have to come up with a scheme to change the ID’s, maybe adding 10,000 to each ID, what if you have more than 10,000 rows? The you also have to update all children records, maybe not that easy if you have constraints... See more