https://icy-archduke-e8e.notion.site/Database-Design-week2-3f2a95bdfe374594a3777f0dfda14d41
https://www.notion.so/Database-design-week6-a2c4263efc1d4b449c5ec7d64af80820?pvs=4
https://www.notion.so/database-design-week-8-4618bdea862b4169a2aa4e928bb4f32a?pvs=4
https://icy-archduke-e8e.notion.site/SQL-SUMMERY-d364e91597414f329f55f531cc05128c
https://icy-archduke-e8e.notion.site/Mosh-Hamedani-SQL-SUMMERY-b33fd18c03ad45d6b584498faf47feb3
https://www.notion.so/supermarket-dcdd74d4cce24a01bdd229f7c86b6b6d?pvs=4