Question: and attributes listed in ). QUESTION 18 Each relational database table contains records (listed in columns; columns columns; rows rows; columns rows; rows QUESTION 19

and attributes listed in ). QUESTION 18 Each relational database table contains records (listed in columns; columns columns; rows rows; columns rows; rows QUESTION 19 The key is an identifier field that uniquely identifies a record. alien foreign primary secondary QUESTION 20 this means they be updated by users. Data marts and data warehouses are non-volatile; can non-volatile, cannot volatile; can volatile; cannot

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