Introduction to Database System To have a file hold a list, it is necessary to identify the name, width and type of the fields of each record. All of the listed here decide which fields will be used as sort or index keys identify the records in the list identify the name, width and type of the fields of each record. All of the listed here decide which fields will be used as sort or index keys identify the records in the list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities use identifiers while tables use keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can change the width of a field change the name of a field All of the listed here correct spelling changes before they are recorded change the width of a field change the name of a field All of the listed here correct spelling changes before they are recorded ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". False True False True 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? Specialized file Master file Update file Log file Specialized file Master file Update file Log file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. foreign keys. candidate keys. composite keys. determinants. foreign keys. candidate keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP
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