Answer:
SELECT DISTINCT VendorName FROM Vendors
WHERE VendorName= ANY (SELECT VendorName FROM Vendors JOIN Invoices ON Vendors.VendorID = Invoices.VendorID) ORDER BY VendorName;
Explanation:
All bold faced words are sql keywords for different purposes. The subquery return the all values which matches the join condition and main query will choose only distinct values and make them in order of VendorName.
There many other queries also return the same result as returned by given query.
Answer:
100 times.
Explanation:
The code will loop until i is equal to or greater than roles. I starts at zero and increases by one after each toss.
Answer:
The continuous performance of reliability data integrity will lead to the benefit and profit of the platform's regular structure changes. Cleanliness in the platform whereas addresses the straightforward structure of task performance and adequate data integrity.
Answer:
previousAddition instance variable
Explanation:
In order to accomplish this you would need to add a previousAddition instance variable. In this variable you would need to save the amount that was added at the end of the process. Therefore, if a mistake were to occur you can simply call the previousAddition variable which would have that amount and subtract it from the total. This would quickly reverse the mistake, and can be easily called from the undo() method.
true
-------------------------------------------------------
