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jekas [21]
3 years ago
8

In the INSERT statement that follows, assume that all of the table and column names are spelled correctly, that none of the colu

mns are identity columns, and that none of them have default values or accept null values. What’s wrong with the statement?
Computers and Technology
1 answer:
Firlakuza [10]3 years ago
5 0

Answer:

The number of items in the column list doesn't match the number in the VALUES list.

Explanation:

The statement is:

INSERT INTO InvoiceCopy

(VendorID, InvoiceNumber, InvoiceTotal, PaymentTotal, CreditTotal,

TermsID, InvoiceDate, InvoiceDueDate)

VALUES

(97, '456789', 8344.50, 0, 0, 1, '2016-08-01');

As clearly seen, there are 8 number of items (VendorID, InvoiceNumber, InvoiceTotal, PaymentTotal, CreditTotal,  TermsID, InvoiceDate, InvoiceDueDate) but there are only 7 items in the values list.

Assuming the conditions given are true, it is seen the number of items in the column list does not match that of the values list, which identifies as a fault.

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Int whatever = scnr.nextInt();



Although usually when a class has a next* member function, it usually needs to check that there IS a next, that you haven't reached the end. Without knowing the class that scnr was instantiated from, I can't guess.
7 0
3 years ago
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Katena32 [7]

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3 0
2 years ago
What do you think is the reason why there are two kinds of transmission mode in computer networking?
saul85 [17]

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7 0
2 years ago
ICMP
sp2606 [1]

Answer:

(b) is used in Traceroute

(d) is used by Ping

Explanation:

ICMP is the short form of Internet Control Message Protocol. It is a protocol used by networking devices such as routers to perform network diagnostics and management. Since it is a messaging protocol, it is used for sending network error messages and operations information. A typical message could be;

i. Requested service is not available

ii. Host could not be reached

ICMP does not use ports. Rather it uses types and codes. Some of the most common types are <em>echo request</em> and <em>echo reply.</em>

<em />

Traceroute - which is a diagnostic tool - uses some messages available in ICMP (such as <em>Time Exceeded</em>) to trace a network route.

Ping - which is an administrative tool for identifying whether a host is reachable or not - also uses ICMP. The ping sends ICMP <em>echo request </em>packets to the host and then waits for an ICMP <em>echo reply</em> from the host.

ICMP is not required to solve NAT traversal problem neither does it have a new version in IPV6.

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2 years ago
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gregori [183]

Windows 7 has the lead

Windows 10 is 2nd

8 0
3 years ago
Read 2 more answers
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