1. Explain the difference between (1.0 Mark) a) Authentication and Authorization b) System and Object Privileges 2. Discuss the concept of SGA and PGA memory in Oracle 11g. (1.0 Mark) 3. Discuss the difference between SQLP lus and SQL Developer tools that can be used to access Oracle Database. (1.0 Mark) 4. Consider that you have developed an exam management application using Java technology. Write four steps that you will require to connect the application with Oracle 11G database. (1.0 Mark) 5. List any four web services that can be integrated with the oracle database. (1.0 Mark) 6. Suppose that you do not have a local database and you wish to use SQL*Plus and other tools for connecting to a remote Oracle database. Also, you wish to use Oracle Spreadsheet Add-In for predictive analytics. What is the name of the software that you need to install for this task? (1.0 Mark) Implement SQL statements for the followings: 7. Create a cursor that will add 5% to the salary, for the below-given table Employee. (2.0 Marks) Employee 8. Use the EXP utility to export the schema and the data for the above-table Employee. (1.0Mark) 9. Truncate the data from the Employee table and use the IMP utility to import the data from the dump file created in above statement 8 . (1.0 Mark)