The external model is the representation of the database as "seen" by the DBMS.
Correct Answer:
Verified
Q1: The hierarchical model is software-independent.
Q2: M:N relationships are not appropriate in a
Q3: An implementation-ready data model needn't necessarily contain
Q4: Today, most relational database products can be
Q5: Even when a good database blueprint is
Q7: In the context of data models, an
Q8: In Chen notation, entities and relationships have
Q9: A disadvantage of the relational database management
Q10: Each row in the relational table is
Q11: In an SQL-based relational database, each table
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents