Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Instance entity Supertype entity Subtype entity Archetype entity Instance entity Supertype entity Subtype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? query language and utilities data dictionary and transaction log None of the listed here data dictionary and query language query language and utilities data dictionary and transaction log None of the listed here data dictionary and query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. Domain/key normal form Third normal form First normal form Second normal form Domain/key normal form Third normal form First normal form Second normal form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable all triggers on a table? ALTER TABLE All of the listed here ALTER TRIGGERS MODIFY TRIGGERS IN TABLE ALTER TABLE All of the listed here ALTER TRIGGERS MODIFY TRIGGERS IN TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail All of the listed here is used to make back-up copies is the recorded history of operations performed on a file can be used to restore lost information All of the listed here is used to make back-up copies is the recorded history of operations performed on a file can be used to restore lost information ANSWER DOWNLOAD EXAMIANS APP
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