To which of the following the term dba referred


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6. Which one of the following refers to the "data about data"?

a. Directoryb. Sub Datac. Warehoused. Meta Data7. Which of the following refers to the level of data abstraction that describes exactly how the data actually stored?a. Conceptual Levelb. Physical Levelc. File Leveld. Logical Level8. To which of the following the term "DBA" referred?a. Data Bank Administratorb. Database Administratorc. Data Administratord. None of the above9. Rows of a relation are known as the _______.a. Degreeb. Tuplesc. Entityd. All of the above10. Which of the following refers to the number of tuples in a relation?a. Entityb. Columnc. Cardinalityd. None of the above​

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