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Functional Dependency and 2NF PowerPoint PPT Presentation

Functional Dependency and 2NF - Primarily a tool to validate and improve a logical design so that it ... Price: degraded query, display, reporting. 11/27/09. 3. Functional Dependency and Keys ...

Primarily a tool to validate and improve a logical design so that it ... Price: degraded query, display, reporting. 11/27/09. 3. Functional Dependency and Keys ...

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1NF, 2NF, and 3NF PowerPoint PPT Presentation

1NF, 2NF, and 3NF - Candidate Key. Primary Key ... A candidate key has two properties: Uniqueness ... Specifies that the primary key of a relation schema cannot have a 'missing' ...

Candidate Key. Primary Key ... A candidate key has two properties: Uniqueness ... Specifies that the primary key of a relation schema cannot have a 'missing' ...

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Normalization 1NF, 2NF, 3NF, BCNF PowerPoint PPT Presentation

Normalization 1NF, 2NF, 3NF, BCNF - Nonloss Decomposition and Functional Dependencies. First, Second, and Third Normal Forms ... key dependencies promote a miasma of update anomalies difficulties with ...

Nonloss Decomposition and Functional Dependencies. First, Second, and Third Normal Forms ... key dependencies promote a miasma of update anomalies difficulties with ...

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Chapter 12 Further Normalization I 1NF, 2NF, 3NF, BCNF PowerPoint PPT Presentation

Chapter 12 Further Normalization I 1NF, 2NF, 3NF, BCNF - Nonloss Decomposition and Functional Dependencies. First, Second, and Third Normal Forms ... key dependencies promote a miasma of update anomalies difficulties with ...

Nonloss Decomposition and Functional Dependencies. First, Second, and Third Normal Forms ... key dependencies promote a miasma of update anomalies difficulties with ...

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Normalization PowerPoint PPT Presentation

Normalization - How to identify most commonly used normal forms, namely 1NF, 2NF, 3NF, and Boyce ... Four most commonly used normal forms are first (1NF), second (2NF) and third ...

How to identify most commonly used normal forms, namely 1NF, 2NF, 3NF, and Boyce ... Four most commonly used normal forms are first (1NF), second (2NF) and third ...

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Normalization Example PowerPoint PPT Presentation

Normalization Example - ... CHAR_MILES, CHAR_PAX, CHAR_CARGO, PILOT, COPILOT, FLT_ENGINEER ... MODEL_CHG_MILE * Remove all partial dependencies to complete 2NF CHARTER(CHAR_TRIP ...

... CHAR_MILES, CHAR_PAX, CHAR_CARGO, PILOT, COPILOT, FLT_ENGINEER ... MODEL_CHG_MILE * Remove all partial dependencies to complete 2NF CHARTER(CHAR_TRIP ...

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A Comprehensive Approach to Normalization and Denormalization PowerPoint PPT Presentation

A Comprehensive Approach to Normalization and Denormalization - Disallowed partial dependencies on any key in 2NF. Disallowed transitive dependencies on any key in 3NF. Simpler definition for 3NF: ...

Disallowed partial dependencies on any key in 2NF. Disallowed transitive dependencies on any key in 3NF. Simpler definition for 3NF: ...

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Keys and normal forms PowerPoint PPT Presentation

Keys and normal forms - Normal Forms provide database designers with: ... Each component will become the key in a new table. Converting to 2NF. 8/3/09. 28 ...

Normal Forms provide database designers with: ... Each component will become the key in a new table. Converting to 2NF. 8/3/09. 28 ...

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Normalization of Database Tables PowerPoint PPT Presentation

Normalization of Database Tables - Database Systems: Design, Implementation, and Management, Fifth Edition, Rob and Coronel ... About the normal forms 1NF, 2NF, 3NF, BCNF, and 4NF ...

Database Systems: Design, Implementation, and Management, Fifth Edition, Rob and Coronel ... About the normal forms 1NF, 2NF, 3NF, BCNF, and 4NF ...

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Database Structures I PowerPoint PPT Presentation

Database Structures I - Area Code. Area. Producer. ProductID. ProducerID. 2NF Product Supply Table. C003. P0003. C001 ... Area Code. Area. Producer. ProducerID. 3NF Producer Data ...

Area Code. Area. Producer. ProductID. ProducerID. 2NF Product Supply Table. C003. P0003. C001 ... Area Code. Area. Producer. ProducerID. 3NF Producer Data ...

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HINF 6220 Networks and the Web for Health Informatics PowerPoint PPT Presentation

HINF 6220 Networks and the Web for Health Informatics - Eliminate duplicative columns from the same table. ... Second normal form (2NF) further addresses the concept of removing duplicative data: ...

Eliminate duplicative columns from the same table. ... Second normal form (2NF) further addresses the concept of removing duplicative data: ...

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Normalisation 1 PowerPoint PPT Presentation

Normalisation 1 - 1NF First normal form. 2NF Second normal form. 3NF Third normal form ... There is still considerable duplication in the table, for example the teachers name. ...

1NF First normal form. 2NF Second normal form. 3NF Third normal form ... There is still considerable duplication in the table, for example the teachers name. ...

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Il-Han Yoo - ... applies to tables that have composite primary keys, where two or more ... In order to find if a table is in 2NF, ask whether any of the non-key attributes ...

... applies to tables that have composite primary keys, where two or more ... In order to find if a table is in 2NF, ask whether any of the non-key attributes ...

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A Comprehensive Approach to Normalization and Denormalization - by Abdul Rashid Ahmad E.F. Codd proposed three normal forms: The first, second, and third normal forms 1NF, 2NF and 3NF are based on the functional dependencies among ...

by Abdul Rashid Ahmad E.F. Codd proposed three normal forms: The first, second, and third normal forms 1NF, 2NF and 3NF are based on the functional dependencies among ...

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Relational Model and ER Model: in a Nutshell PowerPoint PPT Presentation

Relational Model and ER Model: in a Nutshell - ... is call an 'attribute' 12/19/09. 3. Entity-Relationship Model ... Create 'Well-Structured' Tables ... 2NF: non-key attributes are functionally dependent on the ...

... is call an 'attribute' 12/19/09. 3. Entity-Relationship Model ... Create 'Well-Structured' Tables ... 2NF: non-key attributes are functionally dependent on the ...

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Systems Analysis PowerPoint PPT Presentation

Systems Analysis - Fourth normal form has to do with so-called multi-valued dependencies. When faced with a table that is in 1NF, 2NF and 3NF, but not in 4NF, the ...

Fourth normal form has to do with so-called multi-valued dependencies. When faced with a table that is in 1NF, 2NF and 3NF, but not in 4NF, the ...

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Functional Dependencies FDs and PowerPoint PPT Presentation

Functional Dependencies FDs and - Normalize to 1NF, 2NF and 3NF. R(A,B,C,D,E,F,G,H,I,{J}) Practice Exercise (1) ... key (A or B) from R and place them in separate relations R1 and R2, along with the ...

Normalize to 1NF, 2NF and 3NF. R(A,B,C,D,E,F,G,H,I,{J}) Practice Exercise (1) ... key (A or B) from R and place them in separate relations R1 and R2, along with the ...

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1. ?? ?? (relational scheme)? ?? PowerPoint PPT Presentation

1. ?? ?? (relational scheme)? ?? - Title: PowerPoint Author: neoneo Last modified by: a Created Date: 12/12/2002 2:45:49 PM Document presentation format:

Title: PowerPoint Author: neoneo Last modified by: a Created Date: 12/12/2002 2:45:49 PM Document presentation format:

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Chapter Three PowerPoint PPT Presentation

Chapter Three - Chapter Three Objectives Identification of Keys Application of primary and foreign keys Converting a database design to Relational DB. What is a good DBMS

Chapter Three Objectives Identification of Keys Application of primary and foreign keys Converting a database design to Relational DB. What is a good DBMS

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Normalisasi - Title: Java, Java, Java Author: Elizabeth A. MacDonald Last modified by: iwan Created Date: 7/8/2003 5:54:44 PM Document presentation format: On-screen Show (4:3)

Title: Java, Java, Java Author: Elizabeth A. MacDonald Last modified by: iwan Created Date: 7/8/2003 5:54:44 PM Document presentation format: On-screen Show (4:3)

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?????PROJECT PowerPoint PPT Presentation

?????PROJECT - Dreamwaver Appserv ER-modle Table & SQL FD diagram & 3NF ...

Dreamwaver Appserv ER-modle Table & SQL FD diagram & 3NF ...

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Databases : Design of Relational Database Schemas PowerPoint PPT Presentation

Databases : Design of Relational Database Schemas - Carrie Fisher. Fox. Color. 124. 1977. Star Wars. StarName. StudioName. Film Type. Length. Year ... Carrie Fisher. 1977. Star Wars. StarName. Year. Title. 5. STEM. PNU ...

Carrie Fisher. Fox. Color. 124. 1977. Star Wars. StarName. StudioName. Film Type. Length. Year ... Carrie Fisher. 1977. Star Wars. StarName. Year. Title. 5. STEM. PNU ...

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Normalization - gives a method for identifying the existence of potential problems in the design ... instances exist where it is unwise to put a relation into 3NF ...

gives a method for identifying the existence of potential problems in the design ... instances exist where it is unwise to put a relation into 3NF ...

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Normalisasi Basis Data PowerPoint PPT Presentation

Normalisasi Basis Data - Normalisasi Basis Data Normalisasi Normalisasi adalah proses pembentukan relasi basis data kedalam bentuk normal, sehingga sebagian besar ambiguity bisa dihilangkan.

Normalisasi Basis Data Normalisasi Normalisasi adalah proses pembentukan relasi basis data kedalam bentuk normal, sehingga sebagian besar ambiguity bisa dihilangkan.

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Normalisasi Basis Data - Normalisasi Basis Data Normalisasi Normalisasi adalah proses pembentukan relasi basis data kedalam bentuk normal, sehingga sebagian besar ambiguity bisa dihilangkan.

Normalisasi Basis Data Normalisasi Normalisasi adalah proses pembentukan relasi basis data kedalam bentuk normal, sehingga sebagian besar ambiguity bisa dihilangkan.

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Normalization - flt# weekday airline dtime from atime to. DL242 MO WE FR DELTA 10:40 ATL 12:30 BOS. SK912 SA SU SAS 12:00 CPH 15:30 JFK. AA242 MO FR AA 08:00 CHI 10:10 ATL ...

flt# weekday airline dtime from atime to. DL242 MO WE FR DELTA 10:40 ATL 12:30 BOS. SK912 SA SU SAS 12:00 CPH 15:30 JFK. AA242 MO FR AA 08:00 CHI 10:10 ATL ...

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Normalization - Normalization is a process that 'improves' a database design by generating ... 'to create relations where every dependency is on the key, the ... A B and B C. ...

Normalization is a process that 'improves' a database design by generating ... 'to create relations where every dependency is on the key, the ... A B and B C. ...

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Databases : Design of Relational Database Schemas - Star Wars. Mike Meyers. 1992. Wayne's World. Dana Carvey. 1992. Wayne's World. Emilio Estevez ... Jones. 114 Main Street. Typing. Jones. Current Work Location ...

Star Wars. Mike Meyers. 1992. Wayne's World. Dana Carvey. 1992. Wayne's World. Emilio Estevez ... Jones. 114 Main Street. Typing. Jones. Current Work Location ...

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An Introduction to Relational Data Analysis (Normalisation) PowerPoint PPT Presentation

An Introduction to Relational Data Analysis (Normalisation) - TUTOR. GRADE? University of Sunderland. COM 220 Lecture Four. Slide 5. Relational Data ... Tutor Code 2 Course Code. Tutor Name 2 Student Code. Grade 2 Student ...

TUTOR. GRADE? University of Sunderland. COM 220 Lecture Four. Slide 5. Relational Data ... Tutor Code 2 Course Code. Tutor Name 2 Student Code. Grade 2 Student ...

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????? 5 ?????????????????????? PowerPoint PPT Presentation

????? 5 ?????????????????????? - Title: 5 Normalization Author: somkit Last modified by: User Created Date: 7/6/2003 1:20:00 PM Document presentation format: On-screen Show (4:3)

Title: 5 Normalization Author: somkit Last modified by: User Created Date: 7/6/2003 1:20:00 PM Document presentation format: On-screen Show (4:3)

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Normalization - Owner-Car (Owner-ID, Owner-Name, Address, {Registration-No, Model, Manufacturer, ... No-Cylinders, Dealer, Sales-Amount) Dealer (Dealer, Dealer-Address) ...

Owner-Car (Owner-ID, Owner-Name, Address, {Registration-No, Model, Manufacturer, ... No-Cylinders, Dealer, Sales-Amount) Dealer (Dealer, Dealer-Address) ...

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Normalization - Identification of various types of update anomalies such as insertion, deletion, ... spurious tuples are generated when relations are reunited through a natural join. ...

Identification of various types of update anomalies such as insertion, deletion, ... spurious tuples are generated when relations are reunited through a natural join. ...

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Normalization of Database Tables - Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel ... ENROLLMENT(Student-ID, Class-Code, Class-Title, Grade) ...

Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel ... ENROLLMENT(Student-ID, Class-Code, Class-Title, Grade) ...

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Boyce-Codd Normal Form PowerPoint PPT Presentation

Boyce-Codd Normal Form - Title: PowerPoint Presentation Author: Kelvin Nishikawa Last modified by: Computer Science Department Created Date: 10/24/2006 8:47:58 AM Document presentation format

Title: PowerPoint Presentation Author: Kelvin Nishikawa Last modified by: Computer Science Department Created Date: 10/24/2006 8:47:58 AM Document presentation format

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Normalization - Normalisation Author: choopan rattanapoka Last modified by: User Created Date: 1/9/2005 8:33:35 AM Document presentation format:

Normalisation Author: choopan rattanapoka Last modified by: User Created Date: 1/9/2005 8:33:35 AM Document presentation format:

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Need for Normalization PowerPoint PPT Presentation

Need for Normalization - Database Systems: Design, Implementation, & Management, 5th Edition, Rob & Coronel ... if there is a B such that A B and B C where A is not functionally dependent on B ...

Database Systems: Design, Implementation, & Management, 5th Edition, Rob & Coronel ... if there is a B such that A B and B C where A is not functionally dependent on B ...

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Normalization - Schema Refinement and Normalization ... Normalization

Schema Refinement and Normalization ... Normalization

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Normalization - Normalization Examples ... Normalization

Normalization Examples ... Normalization

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Module 4: Advanced Modeling - Overview PowerPoint PPT Presentation

Module 4: Advanced Modeling - Overview - Module 4: Advanced Modeling - Overview Attribute Placement Normalization Forms Resolving Many to Many Relationships Decomposing M:M into Two 1:M Recursive Relationships

Module 4: Advanced Modeling - Overview Attribute Placement Normalization Forms Resolving Many to Many Relationships Decomposing M:M into Two 1:M Recursive Relationships

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Keys and Functional Dependency PowerPoint PPT Presentation

Keys and Functional Dependency - the domain of DLOCATIONS contains atomic values, but some tuples can have a set of these values. ... General Definitions of Second and Third Normal Forms ...

the domain of DLOCATIONS contains atomic values, but some tuples can have a set of these values. ... General Definitions of Second and Third Normal Forms ...

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Lecture 5: Functional dependencies and normalization PowerPoint PPT Presentation

Lecture 5: Functional dependencies and normalization - Title: Functional Dependencies and Normalisation Author: Jose M. Pe a Last modified by: Jose M. Pe a Created Date: 8/29/2000 7:40:37 PM Document presentation format

Title: Functional Dependencies and Normalisation Author: Jose M. Pe a Last modified by: Jose M. Pe a Created Date: 8/29/2000 7:40:37 PM Document presentation format

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Normalization of database model PowerPoint PPT Presentation

Normalization of database model - If all teacher who teach a particulas unit leavem the information about the unit ... Stock(Bin-No,Part-No,Bin-Quantity,Re-Order-Level) ...

If all teacher who teach a particulas unit leavem the information about the unit ... Stock(Bin-No,Part-No,Bin-Quantity,Re-Order-Level) ...

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Concepts of Database Management, Fifth Edition PowerPoint PPT Presentation

Concepts of Database Management, Fifth Edition - Define first normal form, second normal form, and third normal form ... Removal of repeating groups is starting point in quest for problem-free tables ...

Define first normal form, second normal form, and third normal form ... Removal of repeating groups is starting point in quest for problem-free tables ...

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Normalization I PowerPoint PPT Presentation

Normalization I - If A B and B C, then A C. The Process of Normalization ... A, B and C are attributes of a relation such that if A B and B C, ...

If A B and B C, then A C. The Process of Normalization ... A, B and C are attributes of a relation such that if A B and B C, ...

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Chapter 10. Database Design & Normalisation - Lecture Material PowerPoint PPT Presentation

Chapter 10. Database Design & Normalisation - Lecture Material - Chapter 10. Database Design & Normalisation - Lecture Material This chapter covers database design and normalisation. 10-1. Introduction to Database Design

Chapter 10. Database Design & Normalisation - Lecture Material This chapter covers database design and normalisation. 10-1. Introduction to Database Design

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Normalisation II PowerPoint PPT Presentation

Normalisation II - Appraiser. AppNo : 4374. Surname : Smith. FirstName: Brian. Manager. ManNo :3433. Surname :Green ... For 1st Normal Form. Remove repeating groups and. create ...

Appraiser. AppNo : 4374. Surname : Smith. FirstName: Brian. Manager. ManNo :3433. Surname :Green ... For 1st Normal Form. Remove repeating groups and. create ...

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Dagmar Kusiak PowerPoint PPT Presentation

Dagmar Kusiak - In 1NF and all primary keys determine all non-primary keys. Example: SSNO- lastname, firstname, so SSNO determines lastname, firstname' or ' ...

In 1NF and all primary keys determine all non-primary keys. Example: SSNO- lastname, firstname, so SSNO determines lastname, firstname' or ' ...

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Normalization of Database Tables - Database Systems: Design, Implementation, & Management, 5th Edition, Rob & Coronel ... If employee deleted, other vital data lost ...

Database Systems: Design, Implementation, & Management, 5th Edition, Rob & Coronel ... If employee deleted, other vital data lost ...

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Normalization - What data is most commonly accessed? How is data related? ... Trade-off decisions get you the big bucks. Levels of Normalization. First Normal Form (1NF) ...

What data is most commonly accessed? How is data related? ... Trade-off decisions get you the big bucks. Levels of Normalization. First Normal Form (1NF) ...

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Keys and Functional Dependency - Primarily a tool to validate and improve a logical design so that it satisfies ... VIN Make, Model, Color. note: the LHS is the determinant ...

Primarily a tool to validate and improve a logical design so that it satisfies ... VIN Make, Model, Color. note: the LHS is the determinant ...

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Keys and Functional Dependency - an attribute (or set of attributes) that uniquely identifies a row ... is a set of attributes A1, ..., An s.t. for any other attribute B, we have A1, ..., An B ...

an attribute (or set of attributes) that uniquely identifies a row ... is a set of attributes A1, ..., An s.t. for any other attribute B, we have A1, ..., An B ...

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Table Normalization PowerPoint PPT Presentation

Table Normalization - Table Normalization. Making Sense of Your Data In Five Easy ... Well, Five Steps (Just Kidding) ... Only related data entities may be included in a single table ...

Table Normalization. Making Sense of Your Data In Five Easy ... Well, Five Steps (Just Kidding) ... Only related data entities may be included in a single table ...

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DBS201: Introduction to Normalization - DBS201: Introduction to Normalization

DBS201: Introduction to Normalization

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Normalization - If A and B are attributes of relation R, B is functionally dependent on A ... Formal technique for analyzing a relation based on its primary key and ...

If A and B are attributes of relation R, B is functionally dependent on A ... Formal technique for analyzing a relation based on its primary key and ...

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An Introduction to Relational Data Analysis (Normalisation) - TUTOR. GRADE? 5. Relational Data Analysis. Unnormalised Form: Table made up of ROWS and COLUMNS ... Tutor Code 2 Course Code. Tutor Name 2 Student Code. Grade 2 ...

TUTOR. GRADE? 5. Relational Data Analysis. Unnormalised Form: Table made up of ROWS and COLUMNS ... Tutor Code 2 Course Code. Tutor Name 2 Student Code. Grade 2 ...

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Normalization of Database Tables - ... normalization from E-R diagramming Business rules must be determined Initial ERD for Contracting Company Modified ERD for Contracting Company Final ERD for ...

... normalization from E-R diagramming Business rules must be determined Initial ERD for Contracting Company Modified ERD for Contracting Company Final ERD for ...

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2nf PowerPoint PPT Presentations