What’s the longest possible worldwide phone number I should consider in SQL varchar(length) for phone. considerations: + for country code () for area code x + 6 numbers for...
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by...
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by...
I haven’t been able to fully grasp the differences. Can you describe both concepts and use real world examples? 15 s 15 An identifying relationship is when the existence...