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EXERD 2. Features of eXERD 3. Function of eXERD 4. Comparison with other ERD products 5. Specification of eXERD 6. 2014 OS - Microsoft Windows Higher than XP - Apple Mac Eclipse plugin version CPU - Higher than Pentium 4 - AMD CPU structured with similar spec RAM - More than 1GB - Recommended spec that Eclipse can be worked without any problems eXERD PlugIn - Higher than Eclipse V 3. Phone number 82-2-3445-2197 extension No. 226 Address of e-mail exerd tomatosystem.co. kr URL for details of...

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How to fill out extensible entity relation diagram

01

Step 1: Start by identifying the entities that you want to include in your extensible entity relation diagram.

02

Step 2: Determine the attributes or properties of each entity and list them under each corresponding entity.

03

Step 3: Define the relationships between the entities. Determine whether the relationships are one-to-one, one-to-many, or many-to-many.

04

Step 4: Represent the relationships using appropriate symbols. For example, a solid line represents a one-to-one relationship, while a crow's foot notation represents a one-to-many relationship.

05

Step 5: Add cardinality and participation constraints to the diagram. Cardinality refers to the number of instances of one entity that can be associated with the other entity, while participation specifies whether an entity is mandatory or optional in the relationship.

06

Step 6: Review and refine your diagram to ensure accuracy and clarity. Make any necessary revisions or adjustments.

07

Step 7: Once you are satisfied with the diagram, you can use it to communicate the structure and relationships of your entities to others.

Who needs extensible entity relation diagram?

01

Database administrators and developers who are designing or analyzing complex data structures can benefit from using extensible entity relation diagrams.

02

Business analysts who need to understand and document the relationships between various entities in a system can use extensible entity relation diagrams.

03

Software architects and designers who are creating or modifying database schemas can find extensible entity relation diagrams useful for visualizing and organizing their data.

04

Students and researchers studying database design and management can use extensible entity relation diagrams to enhance their understanding of conceptual modeling.

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What is extensible entity relation diagram?

The extensible entity relation diagram is a visual representation of the relationships between different entities within a system, which can be easily extended or modified.

Who is required to file extensible entity relation diagram?

Typically, database administrators or system architects are required to file extensible entity relation diagrams.

How to fill out extensible entity relation diagram?

To fill out an extensible entity relation diagram, you need to identify all the entities in the system and their relationships, then create a diagram using standardized symbols and notation.

What is the purpose of extensible entity relation diagram?

The purpose of an extensible entity relation diagram is to provide a clear and organized overview of the data model and relationships in a system, making it easier to understand and modify.

What information must be reported on extensible entity relation diagram?

The extensible entity relation diagram should include all entities, their attributes, primary keys, and relationships between entities.

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