Database - Data Models into Database Designs
Exercise : Data Models into Database Designs - True or False
- Data Models into Database Designs - General Questions
- Data Models into Database Designs - True or False
11.
The DBMS allows surrogate keys to be changed.
12.
Cascading updates refers to child rows being automatically deleted when a parent row is deleted.
13.
When transforming an entity-relationship model into a relational database design, each entity is represented as a table.
14.
Surrogate keys have much meaning for users.
15.
When the child entity is required, we are restricted from creating a new parent row without also creating a corresponding child row at the same time.
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