1. The Admin user of the company creates encryption master key and activate it for a user so that he can create tables with columns that are encrypted. Answer the following questions based on this scenario [1.5 + 1.5 + 1= 4 Marks] a. What is the name of the master key? Write down location of the master key(path)? b. Write down the SQL command to create the table ENCT with one column Eno number(3) as encrypted column? Can it be created in Sysdba? c. Write down the SQL command to display all the tables with encrypted columns