Reference no: EM131282973
1. Which of the following statements are true? (There are multiple correct answers)
Within an REA model, an example of a resource is and employee.
Within an REA model, a vendor is an example of an event.
Null values refer to fields with missing values.
A tuple describes a single instance of an entity.
An example of a recursive relationship in a data model is when one employee supervises other employees.
2. Which of the following statements are true? (There are multiple correct answers)
To remove a tuple from a database table, you must specify the table name.
Many-to-many relationships are not allowed in a relational database.
In order to remove a tuple from a database table, you must use a WHERE condition.
REA is the defacto standard database language.
When using a SELECT command in a database query, you must also include a FROM command to specify the table name.
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