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EntityRelationship modeling PowerPoint PPT Presentation

EntityRelationship modeling - The use of high-level conceptual data models to support database design. ... Ternary Relationship called SetsUp. 24. Quaternary Relationship called Arranges. 25 ...

The use of high-level conceptual data models to support database design. ... Ternary Relationship called SetsUp. 24. Quaternary Relationship called Arranges. 25 ...

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Enhanced EntityRelationship Modeling PowerPoint PPT Presentation

Enhanced EntityRelationship Modeling - Most useful additional data modeling concepts of ... If A B and B C, then A C ... A, B and C are attributes of a relation such that if A B and B C, ...

Most useful additional data modeling concepts of ... If A B and B C, then A C ... A, B and C are attributes of a relation such that if A B and B C, ...

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ENTITYRELATIONSHIP ER MODEL PowerPoint PPT Presentation

ENTITYRELATIONSHIP ER MODEL - Label the edges between the relationships and the entity set with names called roles. ... E.g., can not require all dog owners to give unique names for their pets ...

Label the edges between the relationships and the entity set with names called roles. ... E.g., can not require all dog owners to give unique names for their pets ...

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ENTITYRELATIONSHIP ER MODEL - ... edges between the relationships and the entity set with names called roles. ... E.g., can not require all dog owners to give unique names for their pets. 6/8/09 ...

... edges between the relationships and the entity set with names called roles. ... E.g., can not require all dog owners to give unique names for their pets. 6/8/09 ...

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Databases : EntityRelationship Model PowerPoint PPT Presentation

Databases : EntityRelationship Model - Sue's Bar Ann Pete's Ale. Joe's Bar Bob Bud. Joe's Bar Bob Miller. Joe's Bar Cal Miller ... Not every beer is an ale, but some are. ... Pete's Ale. 34. STEM. PNU. Keys ...

Sue's Bar Ann Pete's Ale. Joe's Bar Bob Bud. Joe's Bar Bob Miller. Joe's Bar Cal Miller ... Not every beer is an ale, but some are. ... Pete's Ale. 34. STEM. PNU. Keys ...

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EntityRelationship PowerPoint PPT Presentation

EntityRelationship - Darren A. Blair. Kim Frank. Phillip Limitone. Susan Varghese. Leigh Weston ... An Entity is a person, place, event or concept, which represents the structure ...

Darren A. Blair. Kim Frank. Phillip Limitone. Susan Varghese. Leigh Weston ... An Entity is a person, place, event or concept, which represents the structure ...

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EntityRelationship Diagram PowerPoint PPT Presentation

EntityRelationship Diagram - View the league standings (brings up the League Standings form) Add, modify, delete teams ... View the league standings by team. League Standings Form. 4/29/09 ...

View the league standings (brings up the League Standings form) Add, modify, delete teams ... View the league standings by team. League Standings Form. 4/29/09 ...

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Entityrelationship Diagrams PowerPoint PPT Presentation

Entityrelationship Diagrams - For a car: VIN and license plate number. 8. Value sets (domains) of attributes. Set of values that may be assigned to an attribute of an individual entity ...

For a car: VIN and license plate number. 8. Value sets (domains) of attributes. Set of values that may be assigned to an attribute of an individual entity ...

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Chapter 2: EntityRelationship Model PowerPoint PPT Presentation

Chapter 2: EntityRelationship Model - ... set of all persons, companies, trees, holidays. Entity Sets customer and loan ... E.g. Suppose employees of a bank may have jobs (responsibilities) at multiple ...

... set of all persons, companies, trees, holidays. Entity Sets customer and loan ... E.g. Suppose employees of a bank may have jobs (responsibilities) at multiple ...

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EntityRelationship Model PowerPoint PPT Presentation

EntityRelationship Model - Basic Instinct | Sharon Stone. Total Recall | Arnold Schwarzeneger. Total Recall | Sharon Stone. This table is called the relationship set for the relationship. ...

Basic Instinct | Sharon Stone. Total Recall | Arnold Schwarzeneger. Total Recall | Sharon Stone. This table is called the relationship set for the relationship. ...

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ENTITYRELATIONSHIP NOTATIONS PowerPoint PPT Presentation

ENTITYRELATIONSHIP NOTATIONS - gerund. RELATIONSHIP DEGREE. Unary 1. Binary 2. Ternary 3. RELATIONSHIP CARDINALITY ... A company has a number of employees. The attribute of EMPLOYEE include ...

gerund. RELATIONSHIP DEGREE. Unary 1. Binary 2. Ternary 3. RELATIONSHIP CARDINALITY ... A company has a number of employees. The attribute of EMPLOYEE include ...

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EntityRelationship Model - Example: set of all persons, companies, trees, holidays ... E.g. Suppose employees of a bank may have jobs (responsibilities) at multiple ...

Example: set of all persons, companies, trees, holidays ... E.g. Suppose employees of a bank may have jobs (responsibilities) at multiple ...

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Lecture 2: EntityRelationship modelling PowerPoint PPT Presentation

Lecture 2: EntityRelationship modelling - Aggregation ... Aggregation cont. Suppose that employees are assigned to monitor a ... Aggregation allows us to indicate that a relationship set participates in ...

Aggregation ... Aggregation cont. Suppose that employees are assigned to monitor a ... Aggregation allows us to indicate that a relationship set participates in ...

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The EntityRelationship Model PowerPoint PPT Presentation

The EntityRelationship Model - Two main types of connection traps are called fan traps and chasm traps. 37. Chapter 3 ... Chasm Trap ... ER Model with Chasm Trap Removed. 43. Chapter ...

Two main types of connection traps are called fan traps and chasm traps. 37. Chapter 3 ... Chasm Trap ... ER Model with Chasm Trap Removed. 43. Chapter ...

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Enhanced EntityRelationship EER Modeling PowerPoint PPT Presentation

Enhanced EntityRelationship EER Modeling - Generalization: Bottom up process that is the reverse of the specialization process. ... Phone. Contact_Name. Contact_Phone. Date. Job_Offer. Position ...

Generalization: Bottom up process that is the reverse of the specialization process. ... Phone. Contact_Name. Contact_Phone. Date. Job_Offer. Position ...

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Chapter 6: EntityRelationship Model PowerPoint PPT Presentation

Chapter 6: EntityRelationship Model - Then there is a ternary relationship set between entity sets employee, job, and branch ... Cardinality Constraints on Ternary Relationship ...

Then there is a ternary relationship set between entity sets employee, job, and branch ... Cardinality Constraints on Ternary Relationship ...

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NOMO Auto EntityRelationship Diagrams PowerPoint PPT Presentation

NOMO Auto EntityRelationship Diagrams - NOMO Auto. Entity-Relationship Diagrams. IST 210, Section 4. Spring 2005. Team A. Team B ... Dealer. Works At. O_Man. Location. G_Man. Phone. State. Street. Car ...

NOMO Auto. Entity-Relationship Diagrams. IST 210, Section 4. Spring 2005. Team A. Team B ... Dealer. Works At. O_Man. Location. G_Man. Phone. State. Street. Car ...

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The EntityRelationship Model - Ternary relationship type: Supplier supplies Products to Consumers ... Relationship types binary, ternary, n-ary. recursive. Attributes ...

Ternary relationship type: Supplier supplies Products to Consumers ... Relationship types binary, ternary, n-ary. recursive. Attributes ...

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Enhanced EntityRelationship Modeling - Limitations of basic concepts of the ER model and requirements to represent more ... generalization, aggregation, and composition in an EER diagram using UML. ...

Limitations of basic concepts of the ER model and requirements to represent more ... generalization, aggregation, and composition in an EER diagram using UML. ...

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The EntityRelationship Model - Convert the E/R model to a number of relations in a relational schema. ... Befriend. Women. Men. Marry. Women. Men. 21. Representing 'Multiplicity' ...

Convert the E/R model to a number of relations in a relational schema. ... Befriend. Women. Men. Marry. Women. Men. 21. Representing 'Multiplicity' ...

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Lecture 4: Enhanced EntityRelationship Modeling PowerPoint PPT Presentation

Lecture 4: Enhanced EntityRelationship Modeling - Ternary Relationship as Weak Entity Type. represents a ternary ... Constraints on Ternary Relationship. cardinality ratio, participation, & (min,max) Example 1 ...

Ternary Relationship as Weak Entity Type. represents a ternary ... Constraints on Ternary Relationship. cardinality ratio, participation, & (min,max) Example 1 ...

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The EntityRelationship Model - Every did value in Departments table must appear in a row of the ... Some constraints (notably, functional dependencies) cannot be expressed in the ER model. ...

Every did value in Departments table must appear in a row of the ... Some constraints (notably, functional dependencies) cannot be expressed in the ER model. ...

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The EntityRelationship Model - Same entity set could participate in different relationship sets, or in ... Keys for each participating entity set (as foreign keys) ...

Same entity set could participate in different relationship sets, or in ... Keys for each participating entity set (as foreign keys) ...

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Data Modelling Using EntityRelationship ER Model PowerPoint PPT Presentation

Data Modelling Using EntityRelationship ER Model - Ternary relationship. Binary rerlationship. Ternary Relationship. Recursive relationships. Constraints on relationships. Cardinality ratios ...

Ternary relationship. Binary rerlationship. Ternary Relationship. Recursive relationships. Constraints on relationships. Cardinality ratios ...

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Review of the EntityRelationship Model PowerPoint PPT Presentation

Review of the EntityRelationship Model - You've just been hired by Bank of America as their DBA for their online banking web site. ... Both, but more of a noun to a bank. ( hence (a) probably more ...

You've just been hired by Bank of America as their DBA for their online banking web site. ... Both, but more of a noun to a bank. ( hence (a) probably more ...

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EntityRelationship Modeling - ... in logical data base design. Entity Relationship Model ... An object that exists and distinguishable from other objects. Concrete Entity Vs. Abstract Entity ...

... in logical data base design. Entity Relationship Model ... An object that exists and distinguishable from other objects. Concrete Entity Vs. Abstract Entity ...

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Data Modeling Using EntityRelationship Diagrams ERDs PowerPoint PPT Presentation

Data Modeling Using EntityRelationship Diagrams ERDs - (d/o) (disjoint/overlapping. next ) Completeness Constraint. Specific ... If not disjointed, overlap; that is the same entity may be a member of more than ...

(d/o) (disjoint/overlapping. next ) Completeness Constraint. Specific ... If not disjointed, overlap; that is the same entity may be a member of more than ...

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Module 4 EntityRelationship to Relational Mapping PowerPoint PPT Presentation

Module 4 EntityRelationship to Relational Mapping - Ternary relationship. Ternary relationship with participation constraint of one entity type having max ... Ternary relationship (max=1) ...

Ternary relationship. Ternary relationship with participation constraint of one entity type having max ... Ternary relationship (max=1) ...

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Chapter 2: EntityRelationship Model - ... constraints by drawing either a directed line ( ), signifying 'one,' or an undirected line ( ), signifying 'many,' between the relationship set and the entity set. ...

... constraints by drawing either a directed line ( ), signifying 'one,' or an undirected line ( ), signifying 'many,' between the relationship set and the entity set. ...

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Constraints in EntityRelationship Models PowerPoint PPT Presentation

Constraints in EntityRelationship Models - ... of the same fact may become inconsistent if we change one and ... Beginning database designers often doubt that anything could be a key by itself. ...

... of the same fact may become inconsistent if we change one and ... Beginning database designers often doubt that anything could be a key by itself. ...

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Data Modeling Using EntityRelationship Diagrams ERDs - ... subclasses of the specialization must be disjointed (an entity can be a member ... If not disjointed, overlap; that is the same entity may be a member of more than ...

... subclasses of the specialization must be disjointed (an entity can be a member ... If not disjointed, overlap; that is the same entity may be a member of more than ...

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Data Modeling Using the EntityRelationship ER Model PowerPoint PPT Presentation

Data Modeling Using the EntityRelationship ER Model - Value Sets (Domains) of Attributes ... A relationship type R among n entity types E1, E2, ..., En defines a set of ... a relationship with different roles (e.g. ...

Value Sets (Domains) of Attributes ... A relationship type R among n entity types E1, E2, ..., En defines a set of ... a relationship with different roles (e.g. ...

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Chapter 6: EntityRelationship Model - ... set of all persons, companies, loans, holidays. 6.5. Entity Sets customer and loan ... Example: Suppose employees of a bank may have jobs (responsibilities) at ...

... set of all persons, companies, loans, holidays. 6.5. Entity Sets customer and loan ... Example: Suppose employees of a bank may have jobs (responsibilities) at ...

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EntityRelationship to Relational Mapping PowerPoint PPT Presentation

EntityRelationship to Relational Mapping - create a relation R that includes all the simple attributes of E; ... max overdraft. A supertype and subtypes. U. U. ACCOUNT. Account# Balance. SAVINGS_ACCOUNT ...

create a relation R that includes all the simple attributes of E; ... max overdraft. A supertype and subtypes. U. U. ACCOUNT. Account# Balance. SAVINGS_ACCOUNT ...

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Enhanced EntityRelationship and Object Modeling PowerPoint PPT Presentation

Enhanced EntityRelationship and Object Modeling - ( a) Two entity types CAR and TRUCK. (b) Generalizing CAR and TRUCK into VEHICLE. v1 v1 ... it is mandatorily inserted in at lease one of subclasses. 4-20 ...

( a) Two entity types CAR and TRUCK. (b) Generalizing CAR and TRUCK into VEHICLE. v1 v1 ... it is mandatorily inserted in at lease one of subclasses. 4-20 ...

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The EntityRelationship Model - Exercise. What can you say about policy of the bank from the ER diagram? ... Design Exercise. Design a DB using ER, and sketch the resulting diagram. ...

Exercise. What can you say about policy of the bank from the ER diagram? ... Design Exercise. Design a DB using ER, and sketch the resulting diagram. ...

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Chapter 2: EntityRelationship Model Continued PowerPoint PPT Presentation

Chapter 2: EntityRelationship Model Continued - E.g a ternary relationship R between A, B and C with arrows to B and C ... The use of a ternary relationship versus a pair, or triple, of binary relationships. ...

E.g a ternary relationship R between A, B and C with arrows to B and C ... The use of a ternary relationship versus a pair, or triple, of binary relationships. ...

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The EntityRelationship Model - Aggregation vs. ternary relationship: Monitors is a ... relationships: Binary or ternary? Aggregation? Constraints in the ... Ternary Relationships ...

Aggregation vs. ternary relationship: Monitors is a ... relationships: Binary or ternary? Aggregation? Constraints in the ... Ternary Relationships ...

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Data Modeling Using the EntityRelationship ER Data Model PowerPoint PPT Presentation

Data Modeling Using the EntityRelationship ER Data Model - 1 Using High-Level Conceptual Data Models for Database Design ... Relationship types of degree 3 are called ternary and of degree n are called n-ary ...

1 Using High-Level Conceptual Data Models for Database Design ... Relationship types of degree 3 are called ternary and of degree n are called n-ary ...

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Probabilistic EntityRelationship Models, PRMs, and Plate Models PowerPoint PPT Presentation

Probabilistic EntityRelationship Models, PRMs, and Plate Models - Attribute classes. Course entities: CS107, Stats10, ... Student ... Attributes. PER ... to Y.B in a PER model is any first-order expression involving ...

Attribute classes. Course entities: CS107, Stats10, ... Student ... Attributes. PER ... to Y.B in a PER model is any first-order expression involving ...

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Data Modeling Using the EntityRelationship ER Data Model - Data-oriented approach - because data are more stable than the functions (or ... basis for ANSI IRDS (Dolk & Kirsch, 1987; Winkler 1989) 5. Example COMPANY Database ...

Data-oriented approach - because data are more stable than the functions (or ... basis for ANSI IRDS (Dolk & Kirsch, 1987; Winkler 1989) 5. Example COMPANY Database ...

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Data Modeling Using the EntityRelationship ER Model - For example, Color of a CAR or PreviousDegrees of a STUDENT. ... Same name (CAR) used to refer to both the entity type and the entity set ...

For example, Color of a CAR or PreviousDegrees of a STUDENT. ... Same name (CAR) used to refer to both the entity type and the entity set ...

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The EntityRelationship ER Model PowerPoint PPT Presentation

The EntityRelationship ER Model - Conceptual design: (ER Model is used at this stage.) What are the entities and ... Entity Set: A collection of similar entities. E.g., all employees. ...

Conceptual design: (ER Model is used at this stage.) What are the entities and ... Entity Set: A collection of similar entities. E.g., all employees. ...

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CIS 328 Database Systems I Chapter 2 EntityRelationship Model PowerPoint PPT Presentation

CIS 328 Database Systems I Chapter 2 EntityRelationship Model - ... subparts represent more basic attributes with independent meanings of their own. ... In the previous example, the first name is enough to identify kids within a ...

... subparts represent more basic attributes with independent meanings of their own. ... In the previous example, the first name is enough to identify kids within a ...

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Data Modeling Using the EntityRelationship Model PowerPoint PPT Presentation

Data Modeling Using the EntityRelationship Model - A data model is a collection of concepts that can be used to describe the ' ... An entity type describe the schema (intension) for a set of entities that ...

A data model is a collection of concepts that can be used to describe the ' ... An entity type describe the schema (intension) for a set of entities that ...

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Data Modeling Using EntityRelationship Diagrams ERDs - In a given set of requirements for a database, we can generally assume the ... Binary, ternary, n-ary. Can have attributes. Grades. HoursPerWeek of WORKS_ON. Intention ...

In a given set of requirements for a database, we can generally assume the ... Binary, ternary, n-ary. Can have attributes. Grades. HoursPerWeek of WORKS_ON. Intention ...

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Conceptual Data Modeling: More EntityRelationship Diagramming PowerPoint PPT Presentation

Conceptual Data Modeling: More EntityRelationship Diagramming - Explain the Entity Relationship (ER) model and its constructs ... Tom Waits. CFO. Peter Garrett. CIO. Shawn Colvin. IS Manager. Operations. Van Morrison ...

Explain the Entity Relationship (ER) model and its constructs ... Tom Waits. CFO. Peter Garrett. CIO. Shawn Colvin. IS Manager. Operations. Van Morrison ...

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Database Management Systems Chapter 2 The EntityRelationship Data Model PowerPoint PPT Presentation

Database Management Systems Chapter 2 The EntityRelationship Data Model - Suppose that drinkers will only drink certain beers at certain bars. ... Bar Drinker Beer. Joe's Bar Ann Miller. Sue's Bar Ann Bud. Sue's Bar Ann Pete's Ale ...

Suppose that drinkers will only drink certain beers at certain bars. ... Bar Drinker Beer. Joe's Bar Ann Miller. Sue's Bar Ann Bud. Sue's Bar Ann Pete's Ale ...

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Semiautomatic EntityRelationship Modelling Through Natural Language Processing Nazlia Omar Superviso PowerPoint PPT Presentation

Semiautomatic EntityRelationship Modelling Through Natural Language Processing Nazlia Omar Superviso - Semi-automatic Entity-Relationship Modelling Through Natural Language Processing ... HE3- A gerund (noun converted from a verb or known as verbal noun) may indicate ...

Semi-automatic Entity-Relationship Modelling Through Natural Language Processing ... HE3- A gerund (noun converted from a verb or known as verbal noun) may indicate ...

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METU Department of Computer Eng Ceng 302 Introduction to DBMS EntityRelationship ER Model PowerPoint PPT Presentation

METU Department of Computer Eng Ceng 302 Introduction to DBMS EntityRelationship ER Model - ... EMPLOYEE's TC id no, address, salary, sex, and birthdate. ... Address (Apt#, House#, Street, City, State, ZipCode, Country) or ... and Relationship Types (2) ...

... EMPLOYEE's TC id no, address, salary, sex, and birthdate. ... Address (Apt#, House#, Street, City, State, ZipCode, Country) or ... and Relationship Types (2) ...

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ERUS: EntityRelationship Diagram PowerPoint PPT Presentation

ERUS: EntityRelationship Diagram - institution. ERUS: Entity-Relationship Diagram. Caryn Anderson ... Street Address. Institution # Country. City. Institution Name. Undergrad # State/Prov ...

institution. ERUS: Entity-Relationship Diagram. Caryn Anderson ... Street Address. Institution # Country. City. Institution Name. Undergrad # State/Prov ...

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Entityrelationship PowerPoint PPT Presentations