1,list all data from table customer, sale and product. 2,list Name and sex of all customer. 3,list all male customer. 4,list all male and female customer. 5,list the name and age of male customers. 6,list the name, price and color of the product.​

The SQL queries are as follows:

1. select * from customer

select * from sale

select * from product

2. select name, sex from customer

3. select * from customer where sex = 'male'

4. select name, age from customer where sex = 'male'

5. select name, price, color from product

Explanation:

Given

Tables: customer, sale, product

Required

Answer question 1 to 5

(1) All data in the given tables

To do this, we make use of the select clause to retrieve data from each of the table and * to select all data.

So, we have:

select * from customer --> This lists all data from customer table

select * from sale --> This lists all data from sale table

select * from product --> This lists all data from product table

(2) Selected details from customer table

In (1), we have:

select * from customer --> This lists all data from customer table

To retrieve selected details, we replace * with the field names.

So, we have:

select name, sex from customer

(3) Male customers

In (1), we have:

select * from customer --> This lists all data from customer table

To retrieve male customers, we introduce the where clause

So, we have:

select * from customer where sex = 'male'

(4) Name and age of male customers

In (3), we have:

select * from customer where sex = 'male'

To retrieve the name and age, we replace * with name and age. So, we have:

select name, age from customer where sex = 'male'

(5) Name, price and color of products

In (1), we have:

select * from product --> This lists all data from product table

To retrieve selected details, we replace * with the field names.

So, we have:

select name, price, color from product

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