Introduction to Database System A compound key both (a) and (b) uniquely identifies an item in a list is a combination of each unique key is made up a several pieces of information None of these both (a) and (b) uniquely identifies an item in a list is a combination of each unique key is made up a several pieces of information None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? data redundancy difficult to update lack of data independence All of these program dependence data redundancy difficult to update lack of data independence All of these program dependence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier determines the type of relationship that an entity has. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A DBMS that combines a DBMS and an application generator is ________ . Oracle Corporation's Oracle Microsoft's Access Microsoft's SQL Server IBM's DB2 Oracle Corporation's Oracle Microsoft's Access Microsoft's SQL Server IBM's DB2 ANSWER DOWNLOAD EXAMIANS APP
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