Introduction to Database System Two files may be joined into a third file if None of these they have a field in common they have no records with the same value in the common field both (b) and (c) they have a row in common None of these they have a field in common they have no records with the same value in the common field both (b) and (c) they have a row in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Minimum cardinality Greater Entity Count (GEC) ERD Maximum cardinality Minimum cardinality Greater Entity Count (GEC) ERD Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? None of these data manipulation language query language report writer transaction log None of these data manipulation language query language report writer transaction log ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file produced by a spreadsheet can be used for graphic can be used as it by the DBMS is generally stored on disk in an ASCII text format all of the listed here can be used for graphic can be used as it by the DBMS is generally stored on disk in an ASCII text format all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
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