Create Entity Relationship diagram with at least two tables and their attributes
ISAS 600 – Database Project Phase II Rubric
Assignment:
Create and submit an ER Diagram with at least two tables (one for each table of your proposed database).
Your diagrams should exhibit;
· Some amount of normalization (first, second and third normal forms)
· Primary and Foreign keys are identified
· Type of field (text, currency, numeric) and field length is included
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Does not meet expectations |
Meets expectations |
Exceeds expectations |
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Conceptual Data Modeling |
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Did you correctly identify the entities in the case based on the Project Charter? |
Did not identify entities correctly |
Identified regular entity types |
Identified and listed all entity types and listed all data elements |
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Did you correctly identify the relationships in the case? |
Did not identify relationships |
Identified regular relationships |
Identified all relationships with proper notation |
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Did you correctly identify the keys of the entity types? |
Did not identify any keys |
Identified primary or foreign keys |
Identified both primary and foreign keys. |
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Did the student correctly identify the attributes of the entity types? |
Did not identify attributes |
Identified regular attributes |
Identified regular attributes as text, currency, numeric or other types and field length for text |
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Logical Database Design |
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Did you correctly map the E-R diagram constructs into the logical database design? |
Missed Entity Types mapping to tables. Missed Attributes mapping to table columns Missed foreign keys for 1or more relationships
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Entity types mapped as tables, Some relationships mapped properly (foreign keys or separate tables), Some primary and foreign keys designed properly |
Entity types mapped as tables, All relationships mapped properly (foreign keys or separate tables), All primary and foreign keys designed properly
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Normalization |
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Are the tables in 3rd Normal Form? |
Few tables 3NF |
Most tables in 3NF |
All tables 3NF |