Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . relationship database table instance relationship database table instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the data types of all fields in all files the names of all fields in all files None of these the widths of all fields in all files All of these the data types of all fields in all files the names of all fields in all files None of these the widths of all fields in all files All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an archetype entity a subtype entity itself an instance entity an archetype entity a subtype entity itself an instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? query language transaction log None of these report writer data manipulation language query language transaction log None of these report writer data manipulation language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file produced by a spreadsheet is generally stored on disk in an ASCII text format can be used as it by the DBMS can be used for graphic all of the listed here is generally stored on disk in an ASCII text format can be used as it by the DBMS can be used for graphic all of the listed here ANSWER DOWNLOAD EXAMIANS APP
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