Introduction to Database System Which of the following is true of a network structure? It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship It is a physical representation of the data It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship It is a physical representation of the data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Log file Update file Specialized file Master file Log file Update file Specialized file Master file 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 To have a file hold a list, it is necessary to decide which fields will be used as sort or index keys All of the listed here identify the records in the list identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys All of the listed here identify the records in the list identify the name, width and type of the fields of each record. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the columns are sometimes called "attributes". True False True False 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
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