Answer:
Logical Expressions
Explanation:
The expressions that have logical statements which could be "true or false" are known as logical expressions. These types of expressions are also known as Boolean Expressions.
These expression are used in computer programming. The purpose of these expressions in programming is to make a decision that could be based on different conditions. These conditions could be true or false. This is the main reason that. logical expression makes best sense for values received in true or false.
Answer:
A. lower your crash risk
Explanation:
In general, the farther you are from other road users, the lower your crash risk .
They are all types of computer data stored in files.
Answer:
Customer Table
- Customer name
- Customer id
Product Table
- Product id/number (primary key, auto increment)
- Product name
- Product sale price
Transactions Table
- Transaction Id
- Customer Id
- Product id
- Quantity
- Price
- Date
Explanation:
Natalie wants to fetch following information from database
- Look up customer name and sale price
- Sort items in db by product number
To lookup customer name and sale price perform a join on Transactions table and Customer table.Assuming database is build in mysql the query to fetch required results would be
select transction.productId,transaction.customerid,customer.customername from transactions join customer ON
customer.customerid=transcation.customerid
where productid="user provided product id of returned product"
For sorting products by number set produc number in product table a auto increment primary key
Answer:
user_name = input("input user name: ")
print(len(user_name))
Explanation:
input - input function in python
len - length of value
print - print data