A(n) ____ is perceived as a two-dimensional structure composed of rows and columns.
A) table
B) rowset
C) attribute
D) intersection
Correct Answer:
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Q3: The DIVIDE operation uses one single-column table
Q10: RDBMSs enforce integrity rules automatically.
Q13: The practical significance of taking the logical
Q14: The DIFFERENCE operator subtracts one table from
Q20: The order of the rows and columns
Q24: The relational model's creator,E.F.Codd,used the term relation
Q24: In the relational model, _ are important
Q25: In the context of a database table,the
Q27: Current relational database software generally provides only
Q28: A data dictionary contains metadata-data about data.
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