Introduction to Database System The data-base environment has all of the following components except: users data-base administrator separate files None of these data base users data-base administrator separate files None of these data base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the columns are sometimes called "attributes". 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 name, width and type of the fields of each record. identify the records in the list All of the listed here decide which fields will be used as sort or index keys identify the name, width and type of the fields of each record. identify the records in the list All of the listed here decide which fields will be used as sort or index keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a database administrator's function? All of the listed here database design performance monitoring backing up the database All of the listed here database design performance monitoring backing up the database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is made up a several pieces of information uniquely identifies an item in a list is a combination of each unique key both (a) and (b) None of these is made up a several pieces of information uniquely identifies an item in a list is a combination of each unique key both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? All of these SELECT ALL FROM BOOK None of these SELECT DISTINCT SUB FROM BOOK SELECT SUB FROM BOOK All of these SELECT ALL FROM BOOK None of these SELECT DISTINCT SUB FROM BOOK SELECT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
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