View the Exhibit and examine the structure of the PRODUCTtable.

Which two tasks would require subqueries? (Choose two.)

View the Exhibit and examine the structure of the CUSTOMERS and CUST_HISTORY tables.

The CUSTOMERS table contains the current location of all currently active customers.
The CUST_HISTORY table stores historical details relating to any changes in the location of all current as well as previous customers who are no longer active with the company.
You need to find those customers who have never changed their address.
Which SET operator would you use to get the required output?

You must create a table for a banking application.
One of the columns in the table has these requirements:
A column to store the duration of a short team loan
The data should be stored in a format supporting DATE arithmetic with DATE datatypes without using conversion functions.
The maximum loan period is 30 days.
Interest must be calculated based on the number of days for which the loan remains unpaid.
Which data type would you use?

The customers table has the following structure:
You need to write a query that does the following tasks:
1. Display the first name and tax amount of the customers. Tax is 5% of their credit limit.
2. Only those customers whose income level has a value should be considered.
3. Customers whose tax amount is null should not be considered.
Which statement accomplishes all the required tasks?

Examine the structure of the SHIPMENTS table:

You want to generate a report that displays the PO_ID and the penalty amount to be paid if the SHIPMENT_DATE is later than one month from the PO_DATE. The penalty is $20 per day.
Evaluate the following two queries:

Which statement is true regarding the above commands?