Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL None of these ALTER TABLE MODIFY TABLE MODIFY ALLOCATES REDEFINE TABLE None of these ALTER TABLE MODIFY TABLE MODIFY ALLOCATES REDEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A report generator is used to print files on paper data entry update files all of the listed here print files on paper data entry update files all of the listed here ANSWER DOWNLOAD EXAMIANS APP
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 In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? SAVE ZIP PACK COMMIT SAVE ZIP PACK COMMIT ANSWER DOWNLOAD EXAMIANS APP
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