Introduction to Database System A scheme describes record relationships All of these None of these records and files data elements record relationships All of these None of these records and files data elements ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. True False True False 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? 4GL Oracle None of these dBASE SQL 4GL Oracle None of these dBASE SQL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the rows matters. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sophisticated report generators can selectively retrieve and print portions of a list All of the listed here perform arithmetic operations print row-oriented reports selectively retrieve and print portions of a list All of the listed here perform arithmetic operations print row-oriented reports ANSWER DOWNLOAD EXAMIANS APP
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
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