Introduction to Database System The modify operation is likely to be done after Insert All of these None of these Delete Look-up Insert All of these None of these Delete Look-up 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) → A → C → B → (B,C) → A → C → B → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID- independent entity ID-dependent entity Strong entity Weak entity ID- independent entity ID-dependent entity Strong entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT ALL FROM BOOK None of these SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these SELECT ALL FROM BOOK None of these SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. subtype child parent instance subtype child parent instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? Users COBOL programs Database applications DBMS Users COBOL programs Database applications DBMS ANSWER DOWNLOAD EXAMIANS APP