In terms of websites, there's a service called cloud flare which can prevent DDOS attacks in websites. Other applications you would have to look up. Hopefully this helps!
Answer:
The correct answer is:
Option 1: export the query results from the database to a spreadsheet, then export the graph to a document.
Explanation:
Spreadsheets are used to represent numerical data, perform calculations and display the results numerically or graphically.
When using a database, the query results can be exported to other software using the query web address.
So in order to include the graph in her report, Serena will export the result to spreadsheet and then export the graph to document.
Hence,
The correct answer is:
Option 1: export the query results from the database to a spreadsheet, then export the graph to a document.
Answer:
Plain text storage (eg, CSV, TSV files)
Sequence Files.
Avro.
Parquet.
Answer:
Person p1, p2, p3;
int m1, m2, m3;
p1 = new Person();
// assignment 1
m1 = p1.getMoney();
p2 = new Student();
// assignment 2
m2 = p2.getMoney();
p3 = new Employee();
// assignment 3
m3 = p3.getMoney();
//////////////////////////////////////////////////////////////////////////////////////////////
The reference to getMoney in assignment 3 is to the <em>Person</em> class.
Explanation:
Since Employee class didn't override Person class's getMoney() method, calling p3 with getMoney() will call Base class's (Person) getMoney() method.
Answer:
To store decimal values
Explanation:
Analyzing the given options.
(a)
Decimal values are digits and are to be treated as such. So, storing them as strings mean that they are no longer decimal values.
(b), (c) & (d)
List of colors, words and values that can't be used for calculations are all string values.
Take a for instance.
List of colors: "Red", "Yellow", "Blue",...
Words, "I", "am", "a", "boy"
Values that can't be used for calculations are non numerical data and as such, some of them could be strings.
Hence:
Option (a) answers the question
