Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if a large computer system is available only a few transactions are involved None of these All of these only a small computer system is available a large computer system is available only a few transactions are involved None of these All of these only a small computer system is available ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Versatile report generators can provide Calculations Columnar totals All of these None of these Subtotals Calculations Columnar totals All of these None of these Subtotals ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The logical data structure with a one-to-many relationship is a relational tree network chain relational tree network chain ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: B → (B,C) → C → A → B → (B,C) → C → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? program dependence All of these data redundancy lack of data independence difficult to update program dependence All of these data redundancy lack of data independence difficult to update ANSWER DOWNLOAD EXAMIANS APP
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