Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. False True False True 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? report writer query language transaction log None of these data manipulation language report writer query language transaction log None of these data manipulation language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . multiuser database application data mining database application e-commerce database application single-user database application multiuser database application data mining database application e-commerce database application single-user database application ANSWER DOWNLOAD EXAMIANS APP
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 In a relational schema, each tuple is divided into fields called Relations Queries Domains All of the listed here Relations Queries Domains All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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