Assignment $3(5\%$ Weightage$)1.$ As a DBA: I. CREATE TABLE WITH YOUR NAME II$.$ III. ADD COLUMNS EMPLOYEE$\_$ID$,$ FNAME, LNAME, SALARY INSERT $2-3$ ROWS IV$.$ Create $2$ users YOURNAME$\_$ct$1$ and YOURNAME$\_$ct$2$ V$.$ Make role called YOURNAME$\_$dBwriter with the below privileges $$ Can create sessions, create tables, and create views. $$ Can update, and insert rows into created table $$ Can select from created table Assign YOURNAME$\_$dBwriter role to YOURNAME$\_$ct$1$ and YOURNAME$\_$ct$2(10$ marks$)$ NOTE: ADD SCREENSHOTS OF COMMANDS AND ALSO A SCREENSHOT FROM SQLDEVELOPER TO SHOW ADDED USERS $2.$ Explain several types of predefined roles in Oracle $(5$ marks$)3.$ How externally authenticated users are different from Database authenticated users $(5$ marks$)$ NOTE: FOR THIS ASSIGNMENT USE THE CONNECTION INFO GIVEN IN THE PROJECT DESCRIPTION