Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT SUB FROM BOOK SELECT ALL FROM BOOK All of these SELECT DISTINCT SUB FROM BOOK None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK All of these SELECT DISTINCT SUB FROM BOOK None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form can be used to delete records format printed output None of these modify records All of these delete records format printed output None of these modify records All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file has a number assigned to each record None of these is sorted in ascending order contains only a list of keys and record numbers both (b) and (c) has a number assigned to each record None of these is sorted in ascending order contains only a list of keys and record numbers both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: composite keys. candidate keys. determinants. foreign keys. composite keys. candidate keys. determinants. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is considered a: one-dimensional table. three-dimensional table. two-dimensional table. Column. one-dimensional table. three-dimensional table. two-dimensional table. Column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: tables. attributes. rows. relations. tables. attributes. rows. relations. ANSWER DOWNLOAD EXAMIANS APP
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