Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier typically uses more than one attribute. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to group the records in the abc database, you could use the Jobcode as the _____. Index Delete Update Sort Key Index Delete Update Sort Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a Hierarchical schema All of the listed here Relational schema Network schema Hierarchical schema All of the listed here Relational schema Network schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation has cells that hold multi-value entries. True False True False ANSWER DOWNLOAD EXAMIANS APP
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