MTech - Advanced_DBMS_Assignment
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The document is a submission for partial fulfillment of an MTech degree in Information Technology from Karnataka State Open University in India by Vijayananda D Mohire. It contains two assignment questions and responses involving creating tables in Oracle, populating them with data, and performing operations like joins, updates, and commits/rollbacks. Certification is provided by an internal supervisor that the work is bonafide.
MTech - Advanced_DBMS_Assignment
- 1. Advanced DBMS (Assignment –II) Submitted in partial fulfilment of the requirements for the degree of Master of Technology in Information Technology by Vijayananda D Mohire (Enrolment No.921DMTE0113) Information Technology Department Karnataka State Open University Manasagangotri, Mysore – 570006 Karnataka, India (2009)
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- 4. 4 CERTIFICATE This is to certify that the Assignment-II entitled (Advanced DBMS, subject code: MT14) submitted by Vijayananda D Mohire having Roll Number 921DMTE0113 for the partial fulfilment of the requirements of Master of Technology in Information Technology degree of Karnataka State Open University, Mysore, embodies the bonafide work done by him under my supervision. Place: ________________ Signature of the Internal Supervisor Name Date: ________________ Designation
- 5. 5 For Evaluation Question Number Maximum Marks Marks awarded Comments, if any 1 5 2 5 TOTAL 10 Evaluator’s Name and Signature Date
- 6. 6 Preface This document has been prepared specially for the assignments of M.Tech – IT I Semester. This is mainly intended for evaluation of assignment of the academic M.Tech - IT, I semester. I have made a sincere attempt to gather and study the best answers to the assignment questions and have attempted the responses to the questions. I am confident that the evaluator’s will find this submission informative and evaluate based on the provide content. For clarity and ease of use there is a Table of contents and Evaluators section to make easier navigation and recording of the marks. A list of references has been provided in the last page – Bibliography that provides the source of information both internal and external. Evaluator’s are welcome to provide the necessary comments against each response, suitable space has been provided at the end of each response. I am grateful to the Infysys academy, Koramangala, Bangalore in making this a big success. Many thanks for the timely help and attention in making this possible within specified timeframe. Special thanks to Mr. Vivek and Mr. Prakash for their timely help and guidance. Candidate’s Name and Signature Date
- 7. 7 TABLE OF CONTENTS FOR EVALUATION................................................................................................................................................................5 PREFACE...............................................................................................................................................................................6 QUESTION 1...................................................................................................................................................................... 10 ANSWER 1......................................................................................................................................................................... 10 QUESTION 2...................................................................................................................................................................... 15 ANSWER 2......................................................................................................................................................................... 15 BIBLIOGRAPHY.................................................................................................................................................................. 19
- 8. 8 Table of Figures Figure 1 Student Table created (Oracle, 2009)................................................................................................................11 Figure 2 Student Table populated (Oracle, 2009).........................................................................................................12 Figure 3 Select Statement (Oracle, 2009) .........................................................................................................................12 Figure 4 DML Command : Update (Oracle, 2009)..........................................................................................................13 Figure 5 DML Command: Select (Oracle, 2009)............................................................................................................13 Figure 6 DDL Command: Alter (Oracle, 2009) ................................................................................................................13 Figure 7 TCL Command : SAVE and ROLLBACK (Oracle, 2009) ..........................................................................14 Figure 8 Sailor Table created and populated (Oracle, 2009)..................................................................................16 Figure 9 Boat Table created and populated (Oracle, 2009)....................................................................................17 Figure 10 Reservers table created and populated (Oracle, 2009)......................................................................18 Figure 11 Left Join condition for Sailor and Reservers (Oracle, 2009)..............................................................18
- 9. 9 ADVANCED DBMS RESPONSE TO ASSIGNMENT – II
- 10. 10 Question 1 Make a table using Oracle, SQL and made five entries and run five different commands. Answer 1 CREATE TABLE "STUDENTS" ( "STUDENTID" NUMBER NOT NULL ENABLE, "STUDENTNAME" VARCHAR2(4000) NOT NULL ENABLE, "STUDENTAGE" NUMBER, "STUDENTCLASS" VARCHAR2(4000), "STUDENTGPA" FLOAT, "STUDENTDOJ" DATE, "STUDENTMOBILE" NUMBER, CONSTRAINT "STUDENTS_PK" PRIMARY KEY ("STUDENTID", "STUDENTNAME") ENABLE, CONSTRAINT "STUDENTS_UK1" UNIQUE ("STUDENTID") ENABLE ) / Figure below shows Table structure( After running CREATE) as in Oracle 10g Express Edition
- 11. 11 Figure 1 Student Table created (Oracle, 2009) INSERT INTO STUDENTS (STUDENTID, STUDENTNAME,STUDENTAGE,STUDENTCLASS,STUDENTGPA,STUDENTDOJ,STUDENT MOBILE) VALUES (001, 'Maya', 24, 'B.Tech', 3, '15-JAN-2009', 9342567); INSERT INTO STUDENTS (STUDENTID, STUDENTNAME,STUDENTAGE,STUDENTCLASS,STUDENTGPA,STUDENTDOJ,STUDENT MOBILE) VALUES (002, 'Sara', 25, 'B.Tech', 4, '15-JAN-2009', 1344567); INSERT INTO STUDENTS (STUDENTID, STUDENTNAME,STUDENTAGE,STUDENTCLASS,STUDENTGPA,STUDENTDOJ,STUDENT MOBILE) VALUES (003, 'Vijay', 29, 'B.Tech', 4, '10-JAN-2009', 98345678); INSERT INTO STUDENTS (STUDENTID, STUDENTNAME,STUDENTAGE,STUDENTCLASS,STUDENTGPA,STUDENTDOJ,STUDENT MOBILE) VALUES (004, 'Ajay', 24, 'B.Tech', 3, '20-JAN-2009', 23456788); INSERT INTO STUDENTS (STUDENTID, STUDENTNAME,STUDENTAGE,STUDENTCLASS,STUDENTGPA,STUDENTDOJ,STUDENT
- 12. 12 MOBILE) VALUES (005, 'William', 24, 'B.Tech', 3.5, '10-JAN-2009', 1123456); Figure below shows Table data ( After running 5 INSERT statement) as in Oracle 10g Express Edition Object Browser Figure 2 Student Table populated (Oracle, 2009) ----- SELECT STUDENTID, STUDENTNAME, STUDENTGPA FROM STUDENTS WHERE STUDENTGPA > 3; Figure 3 Select Statement (Oracle, 2009) Five different commands: Command 1) – DML type UPDATE Students S SET S.StudentMobile = 234561234 WHERE S.StudentID = 1
- 13. 13 Figure 4 DML Command : Update (Oracle, 2009) Command 2) – DML type SELECT COUNT(*) FROM Students WHERE StudentDoj >= '15-JAN-09'; Figure 5 DML Command: Select (Oracle, 2009) Command 3) DDL type alter table Students add ProjGuide varchar2(10); Figure 6 DDL Command: Alter (Oracle, 2009) Command 4) DCL type grant select on Students to public;
- 14. 14 Command 5) TCL type DECLARE v_mob Students.StudentMobile%TYPE; BEGIN SAVEPOINT A; UPDATE STUDENTS SET STUDENTMOBILE= 12377760 WHERE STUDENTID= 2; SELECT STUDENTMOBILE INTO v_mob FROM Students WHERE Studentid = 2; DBMS_OUTPUT.PUT_LINE('Mobile updated to ' || v_mob); SAVEPOINT B; ROLLBACK TO A; SELECT STUDENTMOBILE INTO v_mob FROM Students WHERE Studentid = 2; DBMS_OUTPUT.PUT_LINE('Mobile rolled back to ' || v_mob); COMMIT; END SELECT * FROM Students; Output: Mobile updated to 12377760 Mobile rolled back to 1344567 Statement processed. Figure 7 TCL Command : SAVE and ROLLBACK (Oracle, 2009) Evaluator’s Comments if any:
- 15. 15 Question 2 Apply the join operation on the two different tables? Answer 2 CREATE TABLE "SAILORS" ( "SAILORID" NUMBER NOT NULL ENABLE, "SAILORNAME" CHAR(100), "RATING" NUMBER, "AGE" NUMBER ) / CREATE TABLE "BOATS" ( "BOATID" NUMBER, "BOATNAME" VARCHAR2(4000), "BOATCOLOR" VARCHAR2(4000) ) / CREATE TABLE "RESERVERS" ( "SAILORID" NUMBER NOT NULL ENABLE, "BOATID" NUMBER NOT NULL ENABLE, "BOOKINGDATE" DATE ) / INSERT INTO Sailors (SAILORID, SAILORNAME, RATING, AGE) VALUES (1, 'Smith', 1, 32); INSERT INTO Sailors (SAILORID, SAILORNAME, RATING, AGE) VALUES (2, 'John', 2, 30);
- 16. 16 INSERT INTO Sailors (SAILORID, SAILORNAME, RATING, AGE) VALUES (3, 'Joe', 1, 25); INSERT INTO Sailors (SAILORID, SAILORNAME, RATING, AGE) VALUES (4, 'Vivek', 2, 30); INSERT INTO Sailors (SAILORID, SAILORNAME, RATING, AGE) VALUES (5, 'Paul', 4,32); select * from sailors order by sailorid; Figure 8 Sailor Table created and populated (Oracle, 2009) INSERT INTO Boats (BOATID, BOATNAME, BOATCOLOR) VALUES (1, 'Coaster', 'White'); INSERT INTO Boats (BOATID, BOATNAME, BOATCOLOR) VALUES (2, 'Lunar', 'Grey'); INSERT INTO Boats (BOATID, BOATNAME, BOATCOLOR) VALUES (3, 'Pitty', 'Green'); INSERT INTO Boats (BOATID, BOATNAME, BOATCOLOR) VALUES (4, 'Salmon', 'Blue'); INSERT INTO Boats (BOATID, BOATNAME, BOATCOLOR) VALUES (5, 'Hound', 'Black');
- 17. 17 select * from Boats order by boatid; Figure 9 Boat Table created and populated (Oracle, 2009) INSERT INTO reservers (SAILORID, BOATID, BOOKINGDATE) VALUES (1, 1, '16-JAN-2009'); INSERT INTO reservers (SAILORID, BOATID, BOOKINGDATE) VALUES (2, 1, '16-JAN-2009'); INSERT INTO reservers (SAILORID, BOATID, BOOKINGDATE) VALUES (3, 2, '17-JAN-2009'); INSERT INTO reservers (SAILORID, BOATID, BOOKINGDATE) VALUES (4, 2, '17-JAN-2009'); INSERT INTO reservers (SAILORID, BOATID, BOOKINGDATE) VALUES (5, 3, '16-JAN-2009'); INSERT INTO reservers (SAILORID, BOATID, BOOKINGDATE) VALUES (5, 4, '17-JAN-2009'); INSERT INTO reservers (SAILORID, BOATID, BOOKINGDATE) VALUES (5, 3, '18-JAN-2009'); INSERT INTO reservers (SAILORID, BOATID, BOOKINGDATE)
- 18. 18 VALUES (1, 3, '18-JAN-2009'); select * from reservers order by sailorid; Figure 10 Reservers table created and populated (Oracle, 2009) SELECT sailorid, boatid FROM Sailors NATURAL LEFT OUTER JOIN Reservers order by sailorid; Figure 11 Left Join condition for Sailor and Reservers (Oracle, 2009) NOTE: Sailor 3 is missing in above as it is a Left Outer Join and Sailors table is on the Left side of the Join and it does not have sailor 3. Evaluator’s Comments if any:
- 19. 19 Bibliography Oracle. (2009). Oracle Database 10g Express edition. California, USA.