Using the commands SELECT, PROJECT, and JOIN write a sequence of instructions to answer each of the following questions about branches and their courses in terms of the following database: a. Which branches offer IT665? b. List all the branches present in Branch relation. c. Which branches offer 4 credit courses? Course relation CName ID Networks IT655 DataBase CS543 VLSI EC653 Branch relation BName Computer Science Computer Science Electronics & Communication Electronics & Communication Information Technology Information Technology ID Credits CS543 4 EC653 5 IT655 4 EC653 5 CS543 4 IT655 4

Write the SQL statements to perform the following operations: a. Create a new course “CS-001”, titled “Weekly Seminar”, with 0 credits. b. Create a section of this course in Fall 2017, with sec id of 1, and with theclocation of this section not yet specified. c. Enroll every student in the Comp. Sci. department in the above section. d. Delete enrollments in the above section where the student’s ID is 12345. e. Delete the course CS-001. What will happen if you run this delete statement without first deleting offerings (sections) of this course? f. Delete all takes tuples (i.e., rows) corresponding to any section of any course with the word “advanced” as a part of the title; ignore case when matching the word with the title.

Using the Categories, Subjects, and Classes tables, list the category description, SubjectID, SubjectCode, and SubjectName for all subject that are taught on Wednesdays.  Do not list any subject more than once.

Please use sql to answer the follwoing question (an erd has also been add) Task 2: Task: UPDATE all employees salary in department 40 or 60 depending on their current salary range. Create a cursor and load all the records belongs to employees who works in department either in 40 or 60 a) Include employee_id, last_name, department_id and salary in Cursor SELECT Cursor cur_emp1 IS SELECT employee_id, last_name, department_id, salary FROM EMPLOYEES WHERE department_id IN (40,60); b) Now inside BEGIN and END block create CURSOR FOR LOOP with k keyword. FOR k IN cur_emp1     LOOP END LOOP; now inside above for loop check each records salary IF If employee salary is less than 5000 then add 20% of their salary and update actual phsyical table                       update employees SET salary= salary*1.20                       WHERE employee_id = k.salary;             Else if if employee salary is less then 8000 add 15%                             update employees SET salary=…