Introduction to Database System Two files may be joined into a third file if None of these both (b) and (c) they have a field in common they have no records with the same value in the common field they have a row in common None of these both (b) and (c) they have a field in common they have no records with the same value in the common field they have a row in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: fourth normal form. domain/key normal form. third normal form. second normal form. fourth normal form. domain/key normal form. third normal form. second normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can change the width of a field change the name of a field All of the listed here correct spelling changes before they are recorded change the width of a field change the name of a field All of the listed here correct spelling changes before they are recorded ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the maximum number of entities that can be involved in a relationship? Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which language has recently become the de-facto standard for interfacing application programs with relational database system? None of these dBASE SQL 4GL Oracle None of these dBASE SQL 4GL Oracle ANSWER DOWNLOAD EXAMIANS APP
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