Introduction to Database System The relational database model was created by E.F. Codd. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Weak entity ID-independent entity ID-dependent entity Strong entity Weak entity ID-independent entity ID-dependent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? lack of data independence data redundancy program dependence difficult to update All of these lack of data independence data redundancy program dependence difficult to update All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A set of programs that handle a firm's data base responsibilities is called a Data Management System (DMS) All of these Data Base Management System (DBMS) Data Base Processing System (DBPS) None of these Data Management System (DMS) All of these Data Base Management System (DBMS) Data Base Processing System (DBPS) None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An operation that will increase the length of a list is Look-up Insert All of the listed here Modify Look-up Insert All of the listed here Modify ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have a field in common both (b) and (c) they have a row in common None of these they have no records with the same value in the common field they have a field in common both (b) and (c) they have a row in common None of these they have no records with the same value in the common field ANSWER DOWNLOAD EXAMIANS APP
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