Introduction to Database System A _____ Contains fields of data about one entity. Fields File Document None of these Record Fields File Document None of these Record 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 : schema relational model None of these module subschema schema relational model None of these module subschema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? DEFINE TABLE ALTER TABLE all of the listed here MODIFY TABLE DEFINE TABLE ALTER TABLE all of the listed here MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail can be used to restore lost information All of the listed here is the recorded history of operations performed on a file is used to make back-up copies can be used to restore lost information All of the listed here is the recorded history of operations performed on a file is used to make back-up copies ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Relational database Network database None of these Distributed database Hierarchical database Relational database Network database None of these Distributed database Hierarchical database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called database data field None of these data file data record database data field None of these data file data record ANSWER DOWNLOAD EXAMIANS APP