Introduction to Database System Entities use identifiers while tables use keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute is a(n): row of a table. two dimensional table. column of a table. key of a table. row of a table. two dimensional table. column of a table. key of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what these files contain All of the listed here what files are in the database what attribute are possessed by the data what these files contain All of the listed here what files are in the database what attribute are possessed by the data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains All of these the names of all fields in all files the data types of all fields in all files None of these the widths of all fields in all files All of these the names of all fields in all files the data types of all fields in all files None of these the widths of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
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