Introduction to Database System A number of related records that are treated as a unit is called file data batch field file data batch field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Characters Bits None of the listed here Data field Characters Bits None of the listed here Data field 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). (B,C) → A → A → A → (B,C). (B,C) → A → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? R:base dBase-II IDMS DB2 R:base dBase-II IDMS DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? There is common sharing of data among the various applications Programs are dependent on the files It is inflexible It is file-oriented All of these There is common sharing of data among the various applications Programs are dependent on the files It is inflexible It is file-oriented All of these ANSWER DOWNLOAD EXAMIANS APP
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