Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → (B,C). A → (B,C) → A → A → (B,C). A → (B,C) → A → 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? ID-independent entity Weak entity ID-dependent entity Strong entity ID-independent entity Weak entity ID-dependent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the columns does not matter. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation establishes an index for a file sorts a file using a single key None of the listed here sorts file using two keys establishes an index for a file sorts a file using a single key None of the listed here sorts file using two keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the ALTER TABLESPACE command is used All of the listed here to add/rename data files to take a tablespace online/offline to change storage characteristics All of the listed here to add/rename data files to take a tablespace online/offline to change storage characteristics ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types. Flat file None of these Table Data structure Database Flat file None of these Table Data structure Database ANSWER DOWNLOAD EXAMIANS APP
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