Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . single-user database application multiuser database application e-commerce database application data mining database application single-user database application multiuser database application e-commerce database application data mining database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be the pin code the last name None of these a compound key consisting of the first name and the last name All of these the pin code the last name None of these a compound key consisting of the first name and the last name All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema All of the listed here restricts the structure to a one-to-many relationship permits many-to-many relation¬ships stores data in tables All of the listed here restricts the structure to a one-to-many relationship permits many-to-many relation¬ships stores data in tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. Second normal form Domain/key normal form First normal form Third normal form Second normal form Domain/key normal form First normal form Third normal form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When performing a look-up operation using a form you enter the search value into the form you look at each form sequentially until you see the one you want All of these None of these you type the key in an entry line, and the correct form is displayed you enter the search value into the form you look at each form sequentially until you see the one you want All of these None of these you type the key in an entry line, and the correct form is displayed ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): normal form. transitive dependency. referential integrity constraint. insertion anomaly. normal form. transitive dependency. referential integrity constraint. insertion anomaly. ANSWER DOWNLOAD EXAMIANS APP
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