The result of using UNION operator for these tables will have 10 + 7 - 2 = 15 records (number of records in CUSTOMER + number of records in CUSTOMER_2 - number of common records).
Answer:
Following are the statements
eurasiaSales = arithmetic.add(euroSales, asiaSales); //calls to the add function
Explanation:
Following are the description of the statement.
- Declared a variable euroSales, asiaSales of "int" type.
- As given in the question "arithmetic" is a reference type variable that is used to call the method "add".
- arithmetic.add function is calling the function "add" . In this function we pass the two integer values into it.
- Finally "eurasiaSales" is used to store the result of calling arithmetic.add (euroSales, asiaSales) function .
Drag... you drag the mouse across the screen.
Answer:
The correct answer to the following question will be "home/mv first.txt second.txt".
Explanation:
- The command mv is a command-line device that transfers files or folders from one location to the next. This allows single files moving, various files and folders moving, used for renaming the file in the Linux operating system.
- This can prompt before overwriting and will have the opportunity to move only documents new than that of the departure point.
The general syntax of this command is given below:
mv SOURCE FILENAME DESTINATION FILENAME
Therefore, it's the right answer.