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.
Is this a question or just something up here just to be here
Answer:
The correct answer to the question is option A (IaaS)
Explanation:
IaaS (Infrastructure as a Service) can be used for data storage, backup, recovery, web hosting, and various other uses as it is cost-effective, and it also has secured data centers. It is a service delivery method by a provider for cloud computing as it enables customers to be offered the service the possibility to combine basic computing
services to build and direct access to safe servers where networking can also be done. These services rendered by the providers allow users to install operating systems thereby making it possible to build highly adaptable computer systems.
SaaS (Software as a Service): Here, the service provider bears the responsibility of how the app will work as what the users do is to access the applications from running on cloud infrastructure without having to install the application on the computer.
The cloud provider (CP) as the name suggests is anybody or group of persons that provide services for operations within the cloud.
