Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, GRANT command is used to allow user to access databases grant system privileges, roles, and object privileges to uses and roles None of the listed here allow user to create databases allow user to access databases grant system privileges, roles, and object privileges to uses and roles None of the listed here allow user to create databases ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Keys made up of two or more attributes are called composite keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Distributed database Network database Relational database Hierarchical database Distributed database Network database Relational database Hierarchical database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: B → A → C → (B,C) → B → A → C → (B,C) → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An application where only one user accesses the database at a given time is an example of a(n) ________ . data mining database application single-user database application multiuser database application e-commerce database application data mining database application single-user database application multiuser database application e-commerce database application ANSWER DOWNLOAD EXAMIANS APP