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Databases SQL Basics Getting Data from a Database Categorizing Your Output with 'AS'

Posted by Rusell Shamu
Rusell Shamu
4,592 Points

id column

in an SQL table, is the id column compulsory? What is its role apart from keeping count?

2 Answers

KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,972 Points

The id column uniquely identifies a record and is used with CRUD and with relations with other tables.

Codi Hasbrouck
Codi Hasbrouck
41 Points
Codi Hasbrouck
Codi Hasbrouck
41 Points

If you build a simple small business in your head you will have to see a small financial database. Inventory, sure. You probably can't help people work at your personal best, that's impossible. Still, I guess ethics does not play into your best I'd compulsion.