Given the following SQL Query, which columns would you recommend to be indexed? SELECT InvoiceNumber, InvoiceDate, Invoice_Total, Invoice_Paid, Invoice_Total - Invoice_Paid as Balance FROM Invoice WHERE Invoice_Date >= "2015-07-20" and Salesman_Id = "JR" ORDER BY DESC Invoice_Total Drag the correct answers to one of the three pockets.

In deadlock avoidance using banker’s algorithm, what would be the consequence(s) of: (i) a process declaring its maximum need as maximum possible for each resource. in other words, if a resource a has 5 instances, then each process declares its maximum need as 5. (ii) a process declaring its minimum needs as maximum needs. for example, a process may need 2-5 instances of resource a. but it declares its maximum need as 2.

Which of the following includes the three primary network access technologies? dsl, cable modem, broadband lan, wan, man voip, uc, iptv tcp/ip, ftp, dhcp

If you combine two cells into one, what action are you performing? a.  adding a new row or column      b.  splitting the cells      c.  removing a new row or column      d.  merging the cells