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Represent the given Entity Relationship diagram as a relational database schema using a textual
schema summary. Use the attribute names as indicated on the ER diagram. Indicate the candidate
key(s) of each relation. For each relation list foreign key(s) (if any) and the primary key each
foreign key references. Also, the resulting design should avoid redundancy and the use of null
values. Database sytems
Study Problem: ER Mapping Consider the Gradebook ER diagram with cardinality ratios and
structural constraints: Figure 2.15 Understanding Databases: Concepts and Practice, Dietrich,
Wiley, 2021 Represent the given Entity Relationship diagram as a relational database schema
using a textual schema summary. Use the attribute names as indicated on the ER diagram.
Indicate the candidate key(s) of each relation. For each relation list foreign key(s) (if any) and
the primary key each foreign key references. Also, the resulting design should avoid redundancy
and the use of null values. The textual schema summary for relation courseoffering relation is
provided as a sample. Use this description as a model for textual schema summary for other
relations in the database schema. courseoffering(semester, year, regNumber, olnstructor, cDept,
cNumber, otitle) foreign key (cDept, cNumber, cTitle) references course(cDept, cNumber,
cTitle)

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Represent the given Entity Relationship diagram as a relational data.pdf

  • 1. Represent the given Entity Relationship diagram as a relational database schema using a textual schema summary. Use the attribute names as indicated on the ER diagram. Indicate the candidate key(s) of each relation. For each relation list foreign key(s) (if any) and the primary key each foreign key references. Also, the resulting design should avoid redundancy and the use of null values. Database sytems Study Problem: ER Mapping Consider the Gradebook ER diagram with cardinality ratios and structural constraints: Figure 2.15 Understanding Databases: Concepts and Practice, Dietrich, Wiley, 2021 Represent the given Entity Relationship diagram as a relational database schema using a textual schema summary. Use the attribute names as indicated on the ER diagram. Indicate the candidate key(s) of each relation. For each relation list foreign key(s) (if any) and the primary key each foreign key references. Also, the resulting design should avoid redundancy and the use of null values. The textual schema summary for relation courseoffering relation is provided as a sample. Use this description as a model for textual schema summary for other relations in the database schema. courseoffering(semester, year, regNumber, olnstructor, cDept, cNumber, otitle) foreign key (cDept, cNumber, cTitle) references course(cDept, cNumber, cTitle)