Introduction to Database System If a piece of data is stored in two places in the database, then it can be more easily accessed storage space is wasted changing the data is one spot will cause data inconsistency None of these both (a) and (b) it can be more easily accessed storage space is wasted changing the data is one spot will cause data inconsistency None of these both (a) and (b) 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: (B,C) → A → (B,C). A → A → (B,C) → A → (B,C). A → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Information provider Directory information Database Information tree Information provider Directory information Database Information tree ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A number of related records that are treated as a unit is called batch file field data batch file field data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: attributes. rows. relations. tables. attributes. rows. relations. tables. ANSWER DOWNLOAD EXAMIANS APP
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