The Full Stack Web Development - Part 1 - Foreign Keys

The video tutorial covers creating and managing SQL tables for a store database. It begins with setting up a products table, followed by inserting product data. Next, it introduces the orders table, explaining the use of foreign keys to maintain data integrity. The tutorial concludes with inserting data into the orders table and highlights the importance of table relationships for retrieving meaningful information.

What is the primary key in the 'products' table?

• Name

• Price

• ID

• Product Type

Which field in the 'orders' table is set to auto-increment?

• Customer ID

• Order Number

• ID

• Product ID

What is the purpose of a foreign key in a database?

• To automatically generate unique IDs

• To ensure data integrity between tables

• To store large text data

• To increase query speed

What happens if you try to delete a product that is referenced by a foreign key in the 'orders' table?

• The order is automatically deleted

• The foreign key is automatically updated

• An error occurs preventing the deletion

• The product is deleted without any issue

Which field in the 'orders' table automatically gets the current timestamp?

• Product ID

• Order Date

• Customer ID

• Order Number

Why might the 'orders' table alone not provide sufficient information?

• It lacks a primary key

• It does not store product names

• It has too many fields

• It does not store order dates

What SQL feature can be used to combine data from the 'orders' and 'products' tables?

• Joins

• Views

• Indexes

• Triggers