Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Relationship Attribute Entity Identifier Relationship Attribute Entity Identifier ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "records". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file has a number assigned to each record is sorted in ascending order None of these both (b) and (c) contains only a list of keys and record numbers has a number assigned to each record is sorted in ascending order None of these both (b) and (c) contains only a list of keys and record numbers 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 In a relation, the columns are sometimes called "attributes". True False True False ANSWER DOWNLOAD EXAMIANS APP
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