Introduction to Database System An audit trail is the recorded history of operations performed on a file All of the listed here is used to make back-up copies can be used to restore lost information is the recorded history of operations performed on a file All of the listed here is used to make back-up copies can be used to restore lost information ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A report form appears on the computer monitor during data entry All of these None of these both (a) and (b) is used during report generation to format data appears on the computer monitor during data entry All of these None of these both (a) and (b) is used during report generation to format data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to redefine an index's future storage allocation DO INDEX REDEFINE INDEX MODIFY INDEX None of these ALTER INDEX DO INDEX REDEFINE INDEX MODIFY INDEX None of these ALTER INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Distributed database Network database Relational database None of these Hierarchical database Distributed database Network database Relational database None of these Hierarchical database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: change the theme. split the relation into two relations, each with a single theme. add a composite key. create a new theme. change the theme. split the relation into two relations, each with a single theme. add a composite key. create a new theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP