Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have a field in common both (b) and (c) they have a row in common they have no records with the same value in the common field None of these they have a field in common both (b) and (c) they have a row in common they have no records with the same value in the common field None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the columns does not matter. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file. Database Records Fields File structure Database Records Fields File structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Updating a database means reorganizing the database all of the listed here modifying or adding record occurrences revising the file structure reorganizing the database all of the listed here modifying or adding record occurrences revising the file structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data base record data item field data base record data item field ANSWER DOWNLOAD EXAMIANS APP
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