Introduction to Database System An audit trail is the recorded history of operations performed on a file can be used to restore lost information is used to make back-up copies All of the listed here is the recorded history of operations performed on a file can be used to restore lost information is used to make back-up copies All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? It is inflexible Programs are dependent on the files All of these It is file-oriented There is common sharing of data among the various applications It is inflexible Programs are dependent on the files All of these It is file-oriented There is common sharing of data among the various applications ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Versatile report generators can provide Subtotals None of these All of these Calculations Columnar totals Subtotals None of these All of these Calculations Columnar totals ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The way a particular application views the data from the data base that the application uses is a : module subschema schema None of these relational model module subschema schema None of these relational model ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? ALTER TABLE MODIFY TABLE DEFINE TABLE all of the listed here ALTER TABLE MODIFY TABLE DEFINE TABLE all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Determinant Key Tuple Relation Determinant Key Tuple Relation ANSWER DOWNLOAD EXAMIANS APP
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