With knowledge of Oracle SQL *Plus, answer the following questions: 3.1 What is SQL*Plus and why would you want to use it? 3.2 Is SQL*Plus is a "real" client application program? Explain your answer. 3.3 How do you run a script on the SQL command line? Show how to run a script that can select all the records in an EMP table. (5 Marks) SQL> R 1 select eename, bdate 2* from employees select eename, bdate (5 Marks) 3.4 You attempted to run a script on SQL*PLUS and an error occurred as shown below: ERROR at line 1: ORA-00904: "EENAME": invalid identifier (5 Marks) Explain the error message. (5 Marks)