Introduction to Database System An attribute that names or identifies entity instances is a(n): relationship. identifier. attribute. entity. relationship. identifier. attribute. entity. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have a row in common both (b) and (c) they have no records with the same value in the common field they have a field in common None of these they have a row in common both (b) and (c) they have no records with the same value in the common field they have a field in common None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Relationship Entity Attribute Identifier Relationship Entity Attribute Identifier ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? ALTER TABLE MODIFY TABLE All of the listed here DEFINE TABLE ALTER TABLE MODIFY TABLE All of the listed here DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities use identifiers while tables use keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Long-range planning report produced in an MIS are primarily designed for top management None of these All of these middle management lower management top management None of these All of these middle management lower management ANSWER DOWNLOAD EXAMIANS APP