uts database

UTS DATABASEUTS DATABASEChris ZahariaChris Zaharia

The Domain – UTSThe Domain – UTS

The Domain – UTSThe Domain – UTS

Based on the UTS Database that contains Based on the UTS Database that contains information on information on coursescourses and and subjectssubjects

Focuses especially on categorising Focuses especially on categorising courses under courses under structuresstructures which contain which contain subjects subjects i.e. A course can have core, major etc i.e. A course can have core, major etc structures that have a number of subjects structures that have a number of subjects in each structure categoryin each structure category

http://www.uts.edu.au

Entity Relationship DiagramEntity Relationship Diagram

SubjectSubjectIDSubjectNameSubjectDescSubjectGradCPFacultySubjectEFTSL *

CourseCourseIDCourseNameCourseDescCourseGrad CourseAwardCourseAward2 CRICOSCodeCommSupport LoadCP CourseEFTSLFacRespFacCollLocation

SubjectStructureSubjectID *StructureID *

CourseUACCode UACNumberCourseID *UACType

SubjectRequisiteSubjectID *ReqSubject *

SubjectFeeSubjectEFTSLFeeComPriceFeeDomPrice

CourseStructureCourseID *StructureID *StructureCP

CourseStructureChoiceStructureID *StructureChoiceID *

SubjectStructureChoiceSubjectID *StructureChoiceID *

StructureStructuretIDStructureType

StructureChoiceStructureChoiceIDStructureChoiceName

Course

CourseUACCode SubjectRequisite

Subject

SubjectStructureChoice

CourseStructureChoice

SubjectChoice

CourseStructure

SubjectStructure

Structure SubjectFee

One-to-many RelationshipOne-to-many RelationshipSubjectIDSubjectID SubjectNameSubjectName SubjectSubject

EFTSLEFTSL

2210722107 Accounting for BusinessAccounting for Business 0.1250.125

3125731257 Information System Information System Development Development MethodologiesMethodologies

0.1250.125

3127131271 Database FundamentalsDatabase Fundamentals 0.1250.125

7011370113 Legal Process and HistoryLegal Process and History 0.2080.208

SubjectEFTSLSubjectEFTSL FeeComPriceFeeComPrice FeeDomPriceFeeDomPrice

0.0830.083 694.42694.42 16481648

0.1250.125 889.75889.75 22802280

0.2080.208 1736.041736.04 41204120

0.250.25 1779.51779.5 49204920

Primary Key

Primary Key

Foreign Key

Both tables have a one-to-many relationship Linked by a foreign key

Table 1 - Subject

Table 1 - SubjectFee

One-to-many RelationshipOne-to-many Relationship

SubjectSubjectSubjectID

SubjectName

SubjectDesc

SubjectGrad

CP

Faculty

SubjectEFTSL *

SubjectFeeSubjectFeeSubjectEFTSL

FeeComPrice

FeeDomPriceHas

ERDERD

Many-to-many RelationshipMany-to-many Relationship

SubjectIDSubjectID StructureIDStructureID

3127031270 STM90651STM90651

3127131271 STM90651STM90651

3128031280 CBK90781CBK90781

3128031280 CBK90782CBK90782

StructureIDStructureID StructureTypeStructureType

CBK90781CBK90781 MajorMajor

CBK90782CBK90782 Major/Two Major/Two Submajors/ElectivesSubmajors/Electives

STM90651STM90651 CoreCore

SubjectIDSubjectID SubjectNameSubjectName

3127031270 Networking Networking EssentialsEssentials

3127131271 Database Database FundamentalsFundamentals

3128031280 Strategic IT Strategic IT ProjectProject

PrimaryKey

PrimaryKey

ForeignKey

ForeignKey

Primary Key

Table 1 - Subject Table 2 - StructureTable 3 - SubjectStructure

Both one-to-many pairedRelationships (T1,T3; T2,T3)Creates a many-to-manyrelationship

Table 1 and Table 2Primary keys are foreignKeys in table 3

Many-to-many RelationshipMany-to-many Relationship

ERDERDSubjectSubjectSubjectID

SubjectName

SubjectDesc

SubjectGrad

CP

Faculty

SubjectEFTSL *

StructureStructureStructuretID

StructureType

SubjectStructureSubjectStructure

SubjectID *

StructureID *Part of Contains

QueriesQueries

1. Show all undergraduate courses.1. Show all undergraduate courses.SELECT courseID, courseName, courseGrad SELECT courseID, courseName, courseGrad

FROM Zaharia_UTS_Course FROM Zaharia_UTS_Course

WHERE courseGrad = 'Undergraduate';WHERE courseGrad = 'Undergraduate';

CourseID CourseID CourseName CourseName CourseGradCourseGrad

C10026 C10026 Bachelor of BusinessBachelor of Business UndergraduateUndergraduate

C10148 C10148 Bachelor of Science in Information Bachelor of Science in Information Technology Technology

UndergraduateUndergraduate

C10219 C10219 Bachelor of Business Bachelor of Bachelor of Business Bachelor of Science in Information Technology Science in Information Technology

UndergraduateUndergraduate

QueriesQueries

2. Show all subjects with requisites and 2. Show all subjects with requisites and display their requisites.display their requisites.

SELECT subjectID, subjectName, reqSubjectSELECT subjectID, subjectName, reqSubject

FROM Zaharia_UTS_Subject NATURAL JOIN Zaharia_UTS_SubjectRequisite;FROM Zaharia_UTS_Subject NATURAL JOIN Zaharia_UTS_SubjectRequisite;

SubjectIDSubjectID SubjectName SubjectName ReqSubjectReqSubject

22320 22320 Accounting for Business CombinationsAccounting for Business Combinations 2210722107

31257 31257 Information System Development Methodologies Information System Development Methodologies 3127031270

31269 31269 Business Requirements Modelling Business Requirements Modelling 3126631266

31272 31272 Project Management and the Professional Project Management and the Professional 3126931269

3128031280 Strategic IT ProjectStrategic IT Project 3125731257



QueriesQueries

3. Show subjects along with their structure 3. Show subjects along with their structure types.types.

SELECT SubjectID, Zaharia_UTS_Structure.StructureID, StructureTypeSELECT SubjectID, Zaharia_UTS_Structure.StructureID, StructureTypeFROM Zaharia_UTS_Structure, Zaharia_UTS_SubjectStructureFROM Zaharia_UTS_Structure, Zaharia_UTS_SubjectStructureWHERE Zaharia_UTS_Structure.StructureID = WHERE Zaharia_UTS_Structure.StructureID =

Zaharia_UTS_SubjectStructure.StructureID;Zaharia_UTS_SubjectStructure.StructureID;

QueriesQueriesSubjectID SubjectID StructureID StructureID StructureType StructureType

22107 22107 STM90273 STM90273 Core Core

22320 22320 CBK90169 CBK90169 MajorMajor

22320 22320 CBK90170 CBK90170 Major/Two Submajors/Submajor + Four Electives Major/Two Submajors/Submajor + Four Electives

31257 31257 CBK90781 CBK90781 MajorMajor

31257 31257 CBK90782 CBK90782 Major/Two Submajors/ElectivesMajor/Two Submajors/Electives

31266 31266 STM90651STM90651 Core Core

31269 31269 STM90651STM90651 Core Core

31270 31270 STM90651STM90651 Core Core

31271 31271 STM90651STM90651 Core Core

31272 31272 STM90651STM90651 Core Core

31276 31276 CBK90781CBK90781 Major Major

31276 31276 CBK90782CBK90782 Major/Two Submajors/Electives Major/Two Submajors/Electives

31280 31280 CBK90781CBK90781 Major Major


70113 70113 CBK90170CBK90170 Major/Two Submajors/Submajor + Four ElectivesMajor/Two Submajors/Submajor + Four Electives


QueriesQueries

4. Show the average of the Commonwealth 4. Show the average of the Commonwealth and Domestic fee price for each subject and Domestic fee price for each subject whose fee average is over $5000whose fee average is over $5000

SELECT subjectID, avg(FeeComPrice + FeeDomPrice) AS SELECT subjectID, avg(FeeComPrice + FeeDomPrice) AS Average_SubjectPriceAverage_SubjectPrice

FROM Zaharia_UTS_SubjectFee NATURAL JOIN Zaharia_UTS_SubjectFROM Zaharia_UTS_SubjectFee NATURAL JOIN Zaharia_UTS_Subject

GROUP BY subjectIDGROUP BY subjectID

HAVING avg(FeeComPrice + FeeDomPrice) > 5000;HAVING avg(FeeComPrice + FeeDomPrice) > 5000;

SubjectIDSubjectID Average_SubjectPriceAverage_SubjectPrice

7011370113 5856.045856.04

QueriesQueries

5. Show all core subjects that are newer 5. Show all core subjects that are newer then the very first core subject.then the very first core subject.

SELECT subjectIDSELECT subjectID

FROM Zaharia_UTS_SubjectStructure NATURAL JOIN FROM Zaharia_UTS_SubjectStructure NATURAL JOIN Zaharia_UTS_StructureZaharia_UTS_Structure

WHERE structureType = 'Core'WHERE structureType = 'Core'

AND subjectID > (AND subjectID > (

SELECT min(subjectID) SELECT min(subjectID)

FROM Zaharia_UTS_SubjectStructureFROM Zaharia_UTS_SubjectStructure

););

SubjectIDSubjectID

3126631266

3126931269

3127031270

3127131271

3127231272

QueriesQueries

6. Show all courses that share the same 6. Show all courses that share the same graduation status as course C10219 graduation status as course C10219 (BBus BScIT).(BBus BScIT).

SELECT c1.courseIDSELECT c1.courseID

FROM Zaharia_UTS_Course c1, Zaharia_UTS_Course C2FROM Zaharia_UTS_Course c1, Zaharia_UTS_Course C2

WHERE c1.courseGrad = c2.courseGradWHERE c1.courseGrad = c2.courseGrad

AND c2.courseID = 'C10219'AND c2.courseID = 'C10219'

AND c1.courseID <> 'C10219';AND c1.courseID <> 'C10219';CourseIDCourseID

C10026C10026

C10148C10148

CHECK Constraint ExamplesCHECK Constraint Examples

• Check for graduation statusCheck for graduation status

CONSTRAINT Zaharia_UTS_Course_CourseGradCONSTRAINT Zaharia_UTS_Course_CourseGrad

CHECKCHECK (CourseGrad IN ( (CourseGrad IN (

'Undergraduate', 'Postgraduate')),'Undergraduate', 'Postgraduate')),

• Check value of Course EFTSLCheck value of Course EFTSL

CONSTRAINT Zaharia_UTS_Course_CourseEFTSL CONSTRAINT Zaharia_UTS_Course_CourseEFTSL

CHECKCHECK (CourseEFTSL BETWEEN 0.5 AND 7) (CourseEFTSL BETWEEN 0.5 AND 7)

CHECK Constraint ExamplesCHECK Constraint Examples

• Check for Faculty ResponsibleCheck for Faculty Responsible

CONSTRAINT Zaharia_UTS_Course_FacResp CONSTRAINT Zaharia_UTS_Course_FacResp CHECKCHECK (FacResp IN ( (FacResp IN (

'Business','Business','Design, Architecture and Building','Design, Architecture and Building','Education','Education','Engineering','Engineering','Humanities','Humanities','Information Technology','Information Technology','Law','Law','Nursing, Midwifery & Health','Nursing, Midwifery & Health','Science')),'Science')),

SQL Actions ExamplesSQL Actions Examples

• On Delete CascadeOn Delete Cascade

CONSTRAINT Zaharia_UTS_CourseUACCode_CourseIDFK FOREIGN CONSTRAINT Zaharia_UTS_CourseUACCode_CourseIDFK FOREIGN KEY (CourseID) REFERENCES Zaharia_UTS_CourseKEY (CourseID) REFERENCES Zaharia_UTS_Course

ON DELETE CASCADEON DELETE CASCADE

ON UPDATE CASCADEON UPDATE CASCADE

SQL Actions ExamplesSQL Actions Examples For example if we would delete a Course from For example if we would delete a Course from

the Course table:the Course table:

DELETE FROM Zaharia_UTS_Course WHERE CourseID = 'C10026';DELETE FROM Zaharia_UTS_Course WHERE CourseID = 'C10026';

This would also delete the Course’s UAC This would also delete the Course’s UAC code details from the CourseUACCode code details from the CourseUACCode table, and we can see this after:table, and we can see this after:SELECT * FROM Zaharia_UTS_CourseUACCode;SELECT * FROM Zaharia_UTS_CourseUACCode;

UACNumber UACNumber CourseID CourseID UACTypeUACType

605002605002 C10219C10219 CSPCSP

615002 615002 C10219 C10219 DFEEDFEE

942600942600 C01457C01457 Autumn semesterAutumn semester

945600 945600 C01457C01457 Spring semesterSpring semester

No C10026 !

SQL Actions Examples (2)SQL Actions Examples (2)

• On Delete RestrictOn Delete Restrict

CONSTRAINT Zaharia_UTS_Subject_SubjectEFTSLFK FOREIGN KEY CONSTRAINT Zaharia_UTS_Subject_SubjectEFTSLFK FOREIGN KEY (SubjectEFTSL) REFERENCES Zaharia_UTS_SubjectFee(SubjectEFTSL) REFERENCES Zaharia_UTS_SubjectFee

ON DELETE RESTRICTON DELETE RESTRICT ON UPDATE CASCADEON UPDATE CASCADE

SQL Actions Examples (2)SQL Actions Examples (2)

For example if we try to delete a subject’s For example if we try to delete a subject’s EFTSL from the SubjectFee table:EFTSL from the SubjectFee table:DELETE FROM Zaharia_UTS_SubjectFee WHERE SubjectEFTSL = 0.125;DELETE FROM Zaharia_UTS_SubjectFee WHERE SubjectEFTSL = 0.125;

We get the error: We get the error: update or delete on "zaharia_uts_subjectfee" violates foreign key constraint update or delete on "zaharia_uts_subjectfee" violates foreign key constraint "zaharia_uts_subject_subjecteftslfk" on "zaharia_uts_subject“"zaharia_uts_subject_subjecteftslfk" on "zaharia_uts_subject“

Since the foreign key SubjectEFTSL in the Since the foreign key SubjectEFTSL in the Subject table is restricted from deleting data in Subject table is restricted from deleting data in the Subject table that shares the value the Subject table that shares the value

SubjectEFTSL = 0.125SubjectEFTSL = 0.125

Creating a View ExampleCreating a View Example

CREATE VIEW Zaharia_UTS_CoursePriceCREATE VIEW Zaharia_UTS_CoursePrice

(CourseID, CourseName, CourseCP, (CourseID, CourseName, CourseCP, CoursePriceCom, CoursePriceDom)CoursePriceCom, CoursePriceDom)

AS SELECT CourseID, CourseName, AS SELECT CourseID, CourseName, LoadCP, CourseEFTSL * 7118, LoadCP, CourseEFTSL * 7118, CourseEFTSL * 18240CourseEFTSL * 18240

FROM Zaharia_UTS_Course;FROM Zaharia_UTS_Course;

Creating a View ExampleCreating a View Example

Query view as if a table:Query view as if a table:

Show the subject prices for the subject Database Show the subject prices for the subject Database Fundamentals in the BBus BScIT courseFundamentals in the BBus BScIT course

SELECT SubjectID, ((CoursePriceCom / CourseCP) * CP) AS SubjectComPrice, SELECT SubjectID, ((CoursePriceCom / CourseCP) * CP) AS SubjectComPrice, ((CoursePriceDom / CourseCP) * CP) AS SubjectDomPrice((CoursePriceDom / CourseCP) * CP) AS SubjectDomPrice

FROM Zaharia_UTS_Subject, Zaharia_UTS_CoursePriceFROM Zaharia_UTS_Subject, Zaharia_UTS_CoursePrice

WHERE SubjectName = 'Database Fundamentals'WHERE SubjectName = 'Database Fundamentals'

AND CourseName = 'Bachelor of Business Bachelor of Science in Information AND CourseName = 'Bachelor of Business Bachelor of Science in Information Technology';Technology';

SubjectIDSubjectID SubjectComPrice SubjectComPrice SubjectDomPriceSubjectDomPrice

3127131271 889.75889.75 2280 2280

ENDEND

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