Discuss the ways in which inheritance promotes software reuse, saves time during app development and helps prevent errors.
What will be an ideal response?
This hierarchy contains many “is-a” (inheritance) relationships. An Undergraduate-Student is a Student. A GraduateStudent is a Student too. Each of the classes Freshman, Sophomore, Junior and Senior is an UndergraduateStudent and is a Student. Each of the classes DoctoralStudent and MastersStudent is a GraduateStudent and is a Student.
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Which of the following is NOT true regarding outer joins?
A) The OUTER JOIN clause returns all rows from two or more of the tables within the FROM clause, as long as those rows meet any WHERE or HAVING search conditions. B) The OUTER JOIN clause is used whenever multiple tables that are accessed through a SQL SELECT statement returns all of the records from one table and only those records from the other table where the joined fields match. C) The LEFT JOIN clause is used when you want to return all rows in the left table, even if no matching rows exist in the right table. D) The FULL OUTER JOIN clause is not supported in Microsoft Access.
The Lens Flare filter can be created in any layer, regardless of whether it is empty or contains artwork.
Answer the following statement true (T) or false (F)