Introduction to Database System Which of the following is a serious problem of file management systems? program dependence All of these data redundancy difficult to update lack of data independence program dependence All of these data redundancy difficult to update lack of data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a distributed MIS structure hierarchical MIS structure centralized MIS structure decentralized MIS structure distributed MIS structure hierarchical MIS structure centralized MIS structure decentralized MIS structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity? Archetype entity Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to remove a stored function from the database? DROP FUNCTION ERASE FUNCTION None of these DELETE FUNCTION REMOVE FUNCTION DROP FUNCTION ERASE FUNCTION None of these DELETE FUNCTION REMOVE FUNCTION ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DIFFERENT SELECT DISTINCT None of these SELECT UNIQUE All of these SELECT DIFFERENT SELECT DISTINCT None of these SELECT UNIQUE All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The following are components of a database except ________ . indexes metadata user data reports indexes metadata user data reports ANSWER DOWNLOAD EXAMIANS APP
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