Introduction to Database System Periodically adding, changing and deleting file records is called file upgrading restructuring renewing Updating upgrading restructuring renewing Updating ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: second normal form. third normal form. domain/key normal form. fourth normal form. second normal form. third normal form. domain/key normal form. fourth normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One approach to standardizing storing of data All of these MIS None of these structured programming CODASYL specifications All of these MIS None of these structured programming CODASYL specifications ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to 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. decide which fields will be used as sort or index keys All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the names of all fields in all files None of these All of these the data types of all fields in all files the widths of all fields in all files the names of all fields in all files None of these All of these the data types of all fields in all files the widths of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
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