How to Earn a Six-Figure Salary with SQL Interview Questions Amazon and Google?

Steven Rescigno
Geek Culture
Published in
2 min readMar 6

Online Interview Preparation Made Easy a few Tips and Tricks

SQL Interview Questions

What are keys in SQL?

A SQL Key is either a single or multi-field table. Keys can be used to create a specific relationship between database tables or views. The most common keys available in SQL are, Primary Key, Foreign Key and…