lets see what is a relational database and what is sql.
in this video we first go over what is sql (sequel) and relational database and after that we learn about common concepts in a relational database, at the end we go over CRUD operation and see what it is and how it works, we also see common sql queries.
00:00 - What is Relational Database
01:31 - Tables in Databases
01:40 - Columns in Databases
02:03 - Records in Databases
02:24 - Primary Key (PK)
02:50 - Foreign Key (FK)
03:20 - What is SQL (Sequel)
03:33 - What is CRUD
03:43 - SELECT & WHERE
04:43 - INSERT INTO
05:08 - UPDATE
05:48 - DELETE
06:15 - BIG News!
