Introduction to Database System An indexing operation establishes an index for a file None of the listed here sorts file using two keys sorts a file using a single key establishes an index for a file None of the listed here sorts file using two keys sorts a file using a single key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a database, data is stored in spreadsheets which have rows and columns. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database All of these can use aggregate functions like SUM and COUNT are written in English both (a) and (b) None of these All of these can use aggregate functions like SUM and COUNT are written in English both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The logical data structure with a one-to-many relationship is a network chain tree relational network chain tree relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
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