Discuss regular expressions in SQL with an example.
For unlimited access to Homework Help, a Homework+ subscription is required.
Discuss the utility of regular expressions with a valid example.
(a) With the aid of a practical example (two tables), explain the SQL statement below:SELECT FIRST_NAME, LAST_NAME, SCHOOL_FEE4FROM STUDENT, FEE_PAYMENTWHERE STUDENT.STUDENT_ID = FEE_PAYMENT.STUDENT_IDORDER BY FIRST_NAME AP(5)(b)Using the following passwords “ABCefg12” and “KojoGiggs12” as examples, discuss the strengths and weaknesses of each password and discuss what could be done to strengthen them, if they are weak passwords. AN(8)(c) Assuming your exam answer booklet for this course in the end of semester exams is flagged (indicated) by your antivirus as being infected with a virus but you have just about 5 hours to submit/upload your answer booklet to lemsas.net. Discuss what you would do to avoid not submitting your answer booklet and thereby not failing the course.
16. Suppose m and n are both int variables with positive values. Which of the following boolean expressions are guaranteed to be equal in value to the expression that follows? (m % n == 0 && n % m == 0) • I. m == • II. ! (m III. ! (m n n) > n) (A) I and III (B) I, II, and III (C) I and II (D) None of the expressions are guaranteed to be the same. (E) I only