Examlex
keys work with primary keys to properly implement relationships in the relational model.
Q1: _ yields a vertical subset of a
Q10: Data and information are essentially the same
Q20: In specialization hierarchies with multiple levels of
Q23: What is a stock's book value?<br>A) The
Q31: Describe the three parts involved in any
Q33: The _ command is used with the
Q42: The relationship _ is difficult to establish
Q44: A(n)_ database is used by an organization
Q48: The response of the DBMS to a
Q66: What are the three basic techniques to