In a relational database application, a <u>foreign key</u> is used to link one table with another.
<h3>What is a
foreign key?</h3>
In database management system (DBMS), a foreign key can be defined as a column whose value provides a link between the data that are stored in a table or relational database.
This ultimately implies that, a <u>foreign key</u> is used to link one table with another in a relational database application.
Read more on keys here: brainly.com/question/8131854
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The packet is
dropped or discarded. By default, a router will send packets
to a network that has been listed in the routing table. If it happens that the
network is not listed, the packet will be discarded or dropped. Packets that do
not have a default route or gateway of last resort are dropped.
Answer:
Answered below
Explanation:
//Program is written in Python programming language
def charCnt( fileName, char){
if not fileName.exists( ):
return sys.exit(1)
else:
openFile = open("$fileName.txt", "r")
readFile = openFile.read( )
fileLength = len (readFile)
count = 0
for character in range(fileLength):
if readFile[character] == char:
count++
openFile.close( )
return count
}
Answer:
Computer output simply put is any data generated by the computer or feedback gotten from the computer. Output can take many forms, but there are 2 major categories:
- Soft copy output e.g text viewed on a computer screen
- Hard copy output e.g printouts
Explanation:
