3. The value a field will assume unless the user enters an explicit value for an instance of that field is called a: Adefaultvaluenullvalue.rangecontrol.gurand.BCD 4. A(n) is a technique for physically arranging the records of a file on secondary storage devices. AphysicalpointerretrievalprogramfileotganizationupdateprogramBC 5. Distributing the rows of data into separate files is called: AnomalizationhorizontalpartitioningverticalpartitioningfileallocationBCD 6. Which of the following is a principal type of authorization table? A Subject Transaction Vicw Index 7. A(n) is a routine that converts a primary key value into a record address. ArecordindexcalculatorindexpointerprogramhashingalgonithmpointingalgorithmBCD 8. SQL provides the technique, which involves placing an inner query within the WHERE or HAVING clause of an outer query. 9. Which of the following is an objective of selecting a data type