1- a) Write the SQL code that will implement the following ERD. You need to determine the data type of each column according to your knowledge. Student Paper STD_ID 9 PP_ID STD_First_Name PP_Title STD_Last_Name PP_Submit_Date STD_Admit_Semester - I- PP_Accepted STD_Admit_Year PP_Type STD_Enroll_Status STD_ID Evaluation PP_ID EVAL_ID EVAL_RESULTS Evaluator Y EVAL_ID EVAL_First_Name EVAL_Last_Name EVAL_Programb) Write the SQL code to insert 4 rows of data in each table. No field can have null values