Introduction to Database System An attribute that names or identifies entity instances is a(n): entity. relationship. attribute. identifier. entity. relationship. attribute. identifier. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The database administration function includes database access planning All of these application programming computer operations management None of these database access planning All of these application programming computer operations management None of these 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 The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when Both of the listed here None of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error Both of the listed here None of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As both (a) and (b) relations None of these tuple tables both (a) and (b) relations None of these tuple tables ANSWER DOWNLOAD EXAMIANS APP
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