What is a technique for documenting the entities and relationships in a database environment?
A) entity-relationship diagram
B) data model
C) database
D) relational database model
Correct Answer:
Verified
Q1: A field is composed of rows and
Q12: What is a statement that defines an
Q13: What occurs when two entities can be
Q14: What kind of attribute is assigned to
Q15: What kind of attribute would be age?
A)null-valued
Q18: What occurs between two entities in which
Q19: What has only a single value of
Q20: Which of the following is a type
Q21: What exists to represent the relationship between
Q22: What expresses the specific number of instances
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