Introduction to Database System The data dictionary tells the DBMS what attribute are possessed by the data what these files contain All of the listed here what files are in the database what attribute are possessed by the data what these files contain All of the listed here what files are in the database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Update Delete None of these Sort Key Index Update Delete None of these Sort Key Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database None of these All of these can use aggregate functions like SUM and COUNT both (a) and (b) are written in English None of these All of these can use aggregate functions like SUM and COUNT both (a) and (b) are written in English ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT DISTINCT SUB FROM BOOK SELECT ALL FROM BOOK SELECT SUB FROM BOOK None of these All of these SELECT DISTINCT SUB FROM BOOK SELECT ALL FROM BOOK SELECT SUB FROM BOOK None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have All of the listed here only one member but many member occurrence more than one member but only one occurrence per member only one owner but many owner occurrences All of the listed here only one member but many member occurrence more than one member but only one occurrence per member only one owner but many owner occurrences ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows None of these SELECT DIFFERENT SELECT DISTINCT SELECT UNIQUE All of these None of these SELECT DIFFERENT SELECT DISTINCT SELECT UNIQUE All of these ANSWER DOWNLOAD EXAMIANS APP
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