Create the procedures for the above queries.

Write a shell script to find the day of the week when a date is given.

Write a shell script to display the largest element in a given 4X4 matrix.

Create the appropriate database.

Write a shell program to count no. of lines, no. of blank spaces and no. of characters and number of words in a given file by the user.

Write appropriate triggers, exceptions and functions for the above employee database schema.

Consider the following employee database schema:

EMPLOYEE (ESSN, ENAME, DEPT_NO, SALARY) DEPENDENT (ESSN, DEPEND_NAME, RELATION, DOB) DEPARTMENT (DEPT_NO, DEPT_NAME, MANAGER)