Introduction to Database System Which of the following is a database administrator's function? All of the listed here backing up the database performance monitoring database design All of the listed here backing up the database performance monitoring database design ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The way a particular application views the data from the data base that the application uses is a : module subschema relational model schema None of these module subschema relational model schema None of these 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 To have a file hold a list, it is necessary to identify the records in the list All of the listed here identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys identify the records in the list All of the listed here identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation has cells that hold multi-value entries. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): relationship. attribute. entity. identifier. relationship. attribute. entity. identifier. ANSWER DOWNLOAD EXAMIANS APP
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