$.$ Drawing ER Diagram Using Lucidchart

Given a scenario represented by the following entities, where customers place orders for products:

$$ CUSTOMER $-$ customer number, name, address, phone number

$$ ORDER $-$ order number, order date and for each product ordered the quantity ordered and the total line price

$$ PRODUCT $-$ product number, product description and product unit price

We recommend you first draw an ERD that only shows key attributes as a preliminary analysis of the scenario you are modelling. An initial ERD using Lucidchart for the customer$-$orders scenario would be: