Data security refers to the process of protecting data from unauthorized access and data corruption throughout its lifecycle. Data security includes data encryption, tokenization, and key management practices that protect data across all applications and platforms.
Answer:
CREATE FUNCTION exam_eligible_students
RETURN NUMBER AS
num_students NUMBER(15);
BEGIN
SELECT COUNT(STUDENT_ID)
INTO num_students
FROM STUDENT_ATTENDANCE
WHERE ELIGIBILITY_FOR_EXAMS = 'Y';
RETURN (num_students);
END;
Explanation:
exam_eligible_students is a made of name for the FUNCTION to be called.
num_students is a made up name for the RETURN to be called. The RETURN name is referenced in the INTO statement and as the name of the the return in the RETURN line in ().
Ans : Extention
In windows, a(n) extension follows the file name and a period and indicates the file type.
Answer:
It places electrical pressure on the wires in your computer, causing them to heat up and burn. Some wires may melt and even if your computer survives the surge, the strain alone can cause damage in the long run. A way to minimize a power surge is to use a surge protector.
Answer:
1. a modem connects a computer to the internet
4. a modem transmits digital signals over a telephone line
5. a dial-up modem communicates using a telephonic call
All of three mentioned above.
Modem stands for modulator de-modulator, and it connects the computer to the internet. Its not the fastest, which is router. And the connection is established via the telephone line, through which the digital signals is being transmitted, And the type used is dial up communication.
Explanation:
The answer is self explanatory.
