Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data item record data base field data item record data base field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file None of these is sorted in ascending order has a number assigned to each record both (b) and (c) contains only a list of keys and record numbers None of these is sorted in ascending order has a number assigned to each record both (b) and (c) contains only a list of keys and record numbers ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains All of these None of these the data types of all fields in all files the names of all fields in all files the widths of all fields in all files All of these None of these the data types of all fields in all files the names of all fields in all files the widths of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
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