Introduction to Database System Which of the following is not a logical data-base structure? network relational tree chain network relational tree chain ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be the pin code the last name All of these None of these a compound key consisting of the first name and the last name the pin code the last name All of these None of these a compound key consisting of the first name and the last name ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has data and relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Information provider Directory information Database Information tree Information provider Directory information Database Information tree ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: (B,C) → C → A → B → (B,C) → C → A → B → ANSWER DOWNLOAD EXAMIANS APP