Introduction to Database System An attribute that names or identifies entity instances is a(n): attribute. identifier. entity. relationship. attribute. identifier. entity. relationship. 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 Strong entity ID- independent entity Weak entity ID-dependent entity Strong entity ID- independent entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. False True False True 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? Relationship Identifier Entity Attribute Relationship Identifier Entity Attribute ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these SELECT SUB FROM BOOK None of these SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these SELECT SUB FROM BOOK None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file produced by a spreadsheet all of the listed here can be used for graphic can be used as it by the DBMS is generally stored on disk in an ASCII text format all of the listed here can be used for graphic can be used as it by the DBMS is generally stored on disk in an ASCII text format ANSWER DOWNLOAD EXAMIANS APP
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