roster[50] is an array of "students", so roster[9] is a "student". Therefore, roster[9].name is a string.
Answer:
SELECT Count(order_invoice) as number_of_invoices, Max(order_invoice) as maximum_invoice, Min(order_invoice) as minimum_invoice, Avg(order_invoice) as average_invoice
FROM vendor JOIN invoice ON invoice.id = vendor.id
WHERE order_invoice > 1
ORDER BY number_of_invoices DESC
Explanation:
The select statement of the SQL or structured query language returns twelve rows of four columns from the inner join of the vendor and invoice table in a database where the order_invoice column in the invoice table is greater than one. The result of the query is ordered by the alias column "number_of_invoices" in descending order.
Answer:
Answer is
By topic, By collection.
Refer below.
Explanation:
Quick SearchLinks to an external site. lets you refine or narrow your search results using links on the right side of the screen. Do a search on wind power. Some criteria that can refine your search results in Quick Search are:
By topic
By collection
Answer: DMZ
Explanation:
DMZ is the demilitarized zone network and it is use in providing he various services to the users or customers by using the public internet. It basically contain organizational services in the logical and physical sub-network and usually works in large network.
The main purpose of DMZ that it is use as web server over the internet for reaching to the users and customers. It also add one additional layer in the organization for security purpose.
Some of the services that DMZ provides as web server, DNS and proxy server.