View the exhibit and examine the ORDERStable.

The ORDERStable contains data and all orders have been assigned a customer ID. Which statement would add a NOTNULLconstraint to the CUSTOMER_IDcolumn?

View the Exhibit and examine the data in the PRODUCTStable.

Which statement would add a column called PRICE, which cannot contain NULL?
ALTER TABLE products

View the Exhibit and examine the structures of the employees and departments tables.

You must update the employees table according to these requirements::
-Update only those employees who work in Boston or Seattle (locations 2900 and 2700).
-Set department_id for these employees to the department id corresponding to London (locationid 2100).
-Set the employees' salary in iocation_id 2100 to 1.1 times the average salary of their department.
-Set the employees' commission In location_id 2100 to 1.5 times the average commission of their department.
You issue this command:

What is the result?

View the exhibits and examine the structures of the COSTSand PROMOTIONStables.


Evaluate the following SQL statement:

What would be the outcome of the above SQL statement?

The user SCOTTwho is the owner of ORDERSand ORDER_ITEMStables issues this GRANTcommand:
GRANT ALL
ON orders, order_items
TO PUBLIC;
What must be done to fix the statement?