The diagram presented is an Enhanced Entity-Relationship (EER) diagram for an art museum. This detailed diagram outlines the relationships between various entities involved in the management and exhibition of art objects within a museum context. Here's an explanation of its components: ### Entities and Attributes: 1. **Art Object**: - Attributes: ID No., Year, Title, Description. - Relationships: Can be created by an artist and shown at exhibitions. The art object can be categorized into subtypes like statues, sculptures, paintings, or others. 2. **Artist**: - Attributes: Name, Country, Epoch, Main Style, Born, Died. - Relationship: Creates art objects. 3. **Permanent Collection**: - Attributes: Date Acquired, Cost, Source, On Display? (Yes/No). 4. **Borrowed Collection**: - Attributes: Date Borrowed, Date to Return. - Relationship: Can be part of a collection. 5. **Collection**: - Attributes: Collection Name, Description, Contact Person, Phone Number, Type. 6. **Exhibition**: - Attributes: Exhibition Name, Start Date, End Date. - Relationship: Art objects can be shown at exhibitions. ### Subtypes of Art Objects: 1. **Statue**: - Attribute: Honoree. 2. **Sculpture**: - Attributes: Material, Weight, Height, Styles. 3. **Painting**: - Attributes: Material, Type, Style. 4. **Other**: - Attributes: Type, Style. ### Relationships and Cardinalities: - **Artist Creates Art Object**: - Cardinality: 1 artist to many (1,N) art objects. - **Art Object Shown At Exhibition**: - Cardinality: One art object can be shown at zero or more (0,1) exhibitions. - **Art Object Belonging to Collection**: - Cardinality: An art object can be from zero or many (0,N) collections, but each collection can have zero or one (0,1) art objects. ### Diagram Elements: - **Diamonds** represent relationships between entities. - **Rectangles** represent entities. - **Ovals** represent attributes of entities. - **Lines** connect attributes to entities or entities to relationships, with cardinalities indicated near the lines showing the nature of relationships. This EER diagram effectively shows the comprehensive
The diagram presented is an Enhanced Entity-Relationship (EER) diagram for an art museum. This detailed diagram outlines the relationships between various entities involved in the management and exhibition of art objects within a museum context. Here's an explanation of its components: ### Entities and Attributes: 1. **Art Object**: - Attributes: ID No., Year, Title, Description. - Relationships: Can be created by an artist and shown at exhibitions. The art object can be categorized into subtypes like statues, sculptures, paintings, or others. 2. **Artist**: - Attributes: Name, Country, Epoch, Main Style, Born, Died. - Relationship: Creates art objects. 3. **Permanent Collection**: - Attributes: Date Acquired, Cost, Source, On Display? (Yes/No). 4. **Borrowed Collection**: - Attributes: Date Borrowed, Date to Return. - Relationship: Can be part of a collection. 5. **Collection**: - Attributes: Collection Name, Description, Contact Person, Phone Number, Type. 6. **Exhibition**: - Attributes: Exhibition Name, Start Date, End Date. - Relationship: Art objects can be shown at exhibitions. ### Subtypes of Art Objects: 1. **Statue**: - Attribute: Honoree. 2. **Sculpture**: - Attributes: Material, Weight, Height, Styles. 3. **Painting**: - Attributes: Material, Type, Style. 4. **Other**: - Attributes: Type, Style. ### Relationships and Cardinalities: - **Artist Creates Art Object**: - Cardinality: 1 artist to many (1,N) art objects. - **Art Object Shown At Exhibition**: - Cardinality: One art object can be shown at zero or more (0,1) exhibitions. - **Art Object Belonging to Collection**: - Cardinality: An art object can be from zero or many (0,N) collections, but each collection can have zero or one (0,1) art objects. ### Diagram Elements: - **Diamonds** represent relationships between entities. - **Rectangles** represent entities. - **Ovals** represent attributes of entities. - **Lines** connect attributes to entities or entities to relationships, with cardinalities indicated near the lines showing the nature of relationships. This EER diagram effectively shows the comprehensive
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
Please help me with the schema of this ERD. Thank you
Transcribed Image Text:The diagram presented is an Enhanced Entity-Relationship (EER) diagram for an art museum. This detailed diagram outlines the relationships between various entities involved in the management and exhibition of art objects within a museum context. Here's an explanation of its components:
### Entities and Attributes:
1. **Art Object**:
- Attributes: ID No., Year, Title, Description.
- Relationships: Can be created by an artist and shown at exhibitions. The art object can be categorized into subtypes like statues, sculptures, paintings, or others.
2. **Artist**:
- Attributes: Name, Country, Epoch, Main Style, Born, Died.
- Relationship: Creates art objects.
3. **Permanent Collection**:
- Attributes: Date Acquired, Cost, Source, On Display? (Yes/No).
4. **Borrowed Collection**:
- Attributes: Date Borrowed, Date to Return.
- Relationship: Can be part of a collection.
5. **Collection**:
- Attributes: Collection Name, Description, Contact Person, Phone Number, Type.
6. **Exhibition**:
- Attributes: Exhibition Name, Start Date, End Date.
- Relationship: Art objects can be shown at exhibitions.
### Subtypes of Art Objects:
1. **Statue**:
- Attribute: Honoree.
2. **Sculpture**:
- Attributes: Material, Weight, Height, Styles.
3. **Painting**:
- Attributes: Material, Type, Style.
4. **Other**:
- Attributes: Type, Style.
### Relationships and Cardinalities:
- **Artist Creates Art Object**:
- Cardinality: 1 artist to many (1,N) art objects.
- **Art Object Shown At Exhibition**:
- Cardinality: One art object can be shown at zero or more (0,1) exhibitions.
- **Art Object Belonging to Collection**:
- Cardinality: An art object can be from zero or many (0,N) collections, but each collection can have zero or one (0,1) art objects.
### Diagram Elements:
- **Diamonds** represent relationships between entities.
- **Rectangles** represent entities.
- **Ovals** represent attributes of entities.
- **Lines** connect attributes to entities or entities to relationships, with cardinalities indicated near the lines showing the nature of relationships.
This EER diagram effectively shows the comprehensive
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