Introduction to Database System Which of the following is not a relational database? dBASE IV 4th Dimension FoxPro Reflex dBASE IV 4th Dimension FoxPro Reflex ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): identifier. attribute. relationship. entity. identifier. attribute. relationship. entity. 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): referential integrity constraint. transitive dependency. normal form. insertion anomaly. referential integrity constraint. transitive dependency. normal form. insertion anomaly. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an archetype and an instance of that archetype. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT DISTINCT SUB FROM BOOK All of these None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: the size of the disk storage device It will be the dominant data base of the future It allows a many-to-many relationship where data is located It is conceptually simple the size of the disk storage device It will be the dominant data base of the future It allows a many-to-many relationship where data is located It is conceptually simple ANSWER DOWNLOAD EXAMIANS APP
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