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 ().
Get a comprehensive eye exam.
Use proper lighting.
Minimize glare.
Upgrade your display.
Adjust your computer display settings
Blink more often.
Exercise your eyes.
Take frequent breaks.
Answer:
The second is that laughter prepares us for tough conditions. And it does always ensure good things for us, and there are many real advantages of the laughter that we can trace out. And all those can be parsed from our real life. We just need to think of a sad situation and try to realize how laughter helps us get rid of that sad situation. And that is what is the central idea of the second section.
Explanation:
Please check the answer section.
Answer:
Interface
Explanation:
Java does not supports multiple inheritance by class, but we can implement multiple inharitacnce in java using interface, with interface we uses implements keyword.
Example-
Declare interface like below code -
interface parent{
}
and use in child class like below code -
class Child1 implements interface{
}
class Child2 implements interface{
}