When the commonly accepted shorthand representation is used to describe a database, _____.
A) each column name appears on its own line
B) the first attributes from each row are listed in parentheses
C) tables cannot contain columns with duplicate names
D) it is always acceptable to qualify column names
Correct Answer:
Verified
Q7: In a relational database, _.
A) rows must
Q8: A relational database _.
A) consists of relationships
Q9: One can successfully design a database system
Q10: In this text, Boyce-Codd normal form is
Q11: Suppose you have a table with a
Q13: You can determine functional dependence by viewing
Q14: In an entity-relationship (E-R) diagram, tables are
Q15: Which statement describing relations is false?
A) A
Q16: The duplication of data is formally called
Q17: If column A in a relational database
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