HOMEWORK > Laboratory Exercise 001 - Manage role and apply privileges_ AMA Computer University ICT E

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NAME: Marden M. Martin TITLE: Manage role and apply privileges MACHINE ACTIVITY NO. 01

COURSE: BSIT USN ID: denmartin20@yahoo.com DATE: November 21, 2018

Directions : Perform the following activity Managing roles by applying different type of privileges. : Copy and paste the DEPARTMENTS table included in this activity. : In each number add the PL/SQL used. : Answer the questions ask in each number. : Skipping a number would cause different output consider as incorrect answer.

CREATE TABLE DEPARTMENTS( DEPT_ID NUMBER(4) PRIMARY KEY, DEPARTMENT_NAME VARCHAR(15) NOT NULL, MANAGER_ID NUMBER(6), LOCATION_ID NUMBER(4)); INSERT INTO DEPARTMENTS VALUES(10,'ADMINISTRATION',200,1700); INSERT INTO DEPARTMENTS VALUES(20,'MARKETING',201,1800); INSERT INTO DEPARTMENTS VALUES(50,'SHIPPING',124,1500); INSERT INTO DEPARTMENTS VALUES(60,'IT',103,1400); INSERT INTO DEPARTMENTS VALUES(80,'SALES',149,2500); INSERT INTO DEPARTMENTS VALUES(90,'EXECUTIVE',100,1700); INSERT INTO DEPARTMENTS VALUES(100,'ACCOUNTING',205,1700); INSERT INTO DEPARTMENTS VALUES(190,'CONTRACTING',NULL,1700);

1. What privilege should a user be given to log on to the Oracle server? Is this a system or an object privilege? _______The CREATE SESSION system privilege______________________________ 2. What privilege should a user be given to create tables? _______The CREATE TABLE privilege_______________________________________ 3. If you create a table, who can pass along privileges to other users on your table? _You can, or anyone you have give those privileges to, by using the WITH GRANT OPTION_ 4. You are the DBA. You are creating many users who require the same system privileges.

What should you use to make your job easier? _Create a role containing the system privileges and grant the role to the users._______ 5. What command do you use to change your password? ___ALTER USER statement_______________________________________________ 6. Connect CS352-DBMS2-MAS

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NAME: Marden M. Martin TITLE: Manage role and apply privileges MACHINE ACTIVITY NO. 01

COURSE: BSIT USN ID: denmartin20@yahoo.com DATE: November 21, 2018

To iqlplus* using the following session: Username: SYTEM Password: oracle 7. Populate the given DEPARTMENTS table as shown below: Before proceedings to the next number make sure to double check you should have 8 rows of values.

8. Create 3 different USERS with their corresponding password: N User_nam Passw o. e ord 1 SUPERVIS SPVR OR 2 MANAGER MGR 3 CLERK CLK ADD THE PL/SQL used here: SQL> CREATE USER SUPERVISOR 2 IDENTIFIED BY SPVR; User created.

SQL> CREATE USER MANAGER 2 IDENTIFIED BY MGR; User created.

SQL> CREATE USER CLERK 2 IDENTIFIED BY CLK; User created.

9. From the created user grant a different system privilege for each user: N User_nam Passw Privilege o. e ord 1 SUPERVIS SPVR CREATE SESSION OR CS352-DBMS2-MAS

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NAME: Marden M. Martin TITLE: Manage role and apply privileges MACHINE ACTIVITY NO. 01 2 3

MANAGER CLERK

MGR CLK

COURSE: BSIT USN ID: denmartin20@yahoo.com DATE: November 21, 2018

CREATE TABLE CREATE SESSION and CREATE TABLE

ADD THE PL/SQL used here: GRANT CREATE SESSION TO SUPERVISOR; GRANT CREATE TABLE TO MANAGER; GRANT CREATE SESSION, CREATE TABLE TO CLERK;

10.

Try to connect using the three (3) created users.  Which of the following user successfully establish a connection to oracle server? ___________Supervisor and Clerk_____________________________________________________ ___________________________________________________________________________ ______  Which of the following user was not able to connect to oracle server?

What is the reason? ___________________________________________________________________________ ______ 11.

Establish again a connection using: username: SYSTEM / password: oracle.

After establishing a connection to SYSTEM/oracle. Create a role and grant privilege of creating a table.

Role Privileges SUP_AD CREATE MIN TABLE ADD THE PL/SQL used here:  From the role created in No. 11 SUP_ADMIN grant this said role to all USERS who are able to establish a session.

ADD THE PL/SQL used here: 12.

Log-on as CLERK and change your password to open.

Log-on as SUPERVISOR and change your password to sup ADD THE PL/SQL used here: CS352-DBMS2-MAS

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NAME: Marden M. Martin TITLE: Manage role and apply privileges MACHINE ACTIVITY NO. 01

COURSE: BSIT USN ID: denmartin20@yahoo.com DATE: November 21, 2018

13. 

Log-on as SYSTEM/oracle Grant objects privilege to SUPERVISOR by allowing to use the UPDATE for column (DEPARTNAME) only, and SELECT statement to the table DEPARTMENTS. ADD THE PL/SQL used here: 14. After adding object privilege to SUPERVISOR.  Log-on SUPERVISOR  Manipulate the DEPARTMENTS table, UPDATE the department_name to IT whose manager_id is Null.

ADD THE PL/SQL used here:  Confirm the changes made to DEPARTMENTS table by using the SELECT statement ADD THE PL/SQL used here: 15.

Log-on as SYSTEM then modify the object privilege created to SUPERVISOR to UPDATE , INSERT and SELECT to all columns, Note that SUPERVISOR should have the capability to pass the privilege given to them to other USERS. ADD THE PL/SQL used here: 16.

Log-on as SUPERVISOR, then pass the privilege to UPDATE INSERT and use SELECT to user CLERK. ADD THE PL/SQL used here: 17.

Confirm that the user CLERK can now perform insertion and update.  Log-on as CLERK  Insert a new Departments with the following values as shown below: 5 IT_DE 1 25 PT 0 00 Is adding the new values when log-on as CLERK is possible? Why and why not? ______________________________________________________________________________ ___ 18.

Log-on as System then revoke all the object privilege given to SUPERVISOR. ADD THE PL/SQL used here: 19.

Log-on as Supervisor.  Create a report that will display all the DEPARTMENT_NAME whose location_id is equal to 1700.  Is creating a report possible? Why and why not?

Log-on as Clerk.

CS352-DBMS2-MAS

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NAME: Marden M. Martin TITLE: Manage role and apply privileges MACHINE ACTIVITY NO. 01

COURSE: BSIT USN ID: denmartin20@yahoo.com DATE: November 21, 2018

Create a report that will display all the manager_id whose location_id is equal to 2500.  Is creating a report possible? Why and why not?

20.

Log-on as SYSTEM then delete all the users created to free-up some memory space.

ADD THE PL/SQL used here: 

CS352-DBMS2-MAS

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