Introduction to Database System Periodically adding, changing and deleting file records is called file Updating renewing upgrading restructuring Updating renewing upgrading restructuring ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for protecting data in data communication systems improving data integrity reducing storage space requirements All of these None of these protecting data in data communication systems improving data integrity reducing storage space requirements All of these 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 _____ command is used to allocates an extent for the table in SQL MODIFY TABLE None of these REDEFINE TABLE MODIFY ALLOCATES ALTER TABLE MODIFY TABLE None of these REDEFINE TABLE MODIFY ALLOCATES ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Table is synonymous with the term: record. relation. column. field. record. relation. column. field. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. True False True False ANSWER DOWNLOAD EXAMIANS APP
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