Introduction to Database System A functional dependency is always an equation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? None of these All of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK None of these All of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID-dependent entity Weak entity Strong entity ID- independent entity ID-dependent entity Weak entity Strong entity ID- independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Entity Identifier Attribute Relationship Entity Identifier Attribute Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "records". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Long-range planning report produced in an MIS are primarily designed for top management lower management middle management None of these All of these top management lower management middle management None of these All of these ANSWER DOWNLOAD EXAMIANS APP
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