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. Network database Distributed database Relational database Hierarchical database Network database Distributed database Relational database Hierarchical database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema is a standard way of organizing information into accessible parts is the entire database All of these describes how data is actually stored on disk None of these is a standard way of organizing information into accessible parts is the entire database All of these describes how data is actually stored on disk None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? IDMS DB2 dBase-II R:base IDMS DB2 dBase-II R:base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): identifier. attribute. relationship. entity. identifier. attribute. relationship. entity. 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 allow user to create databases None of the listed here allow user to access databases grant system privileges, roles, and object privileges to uses and roles allow user to create databases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: (B,C) → A → (B,C). A → A → (B,C) → A → (B,C). A → A → ANSWER DOWNLOAD EXAMIANS APP
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