Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? DB2 R:base IDMS dBase-II DB2 R:base IDMS dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then storage space is wasted None of these both (a) and (b) it can be more easily accessed changing the data is one spot will cause data inconsistency storage space is wasted None of these both (a) and (b) it can be more easily accessed changing the data is one spot will cause data inconsistency ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Embedded pointer provide an inverted index None of these All of these a secondary access path a physical record key an inverted index None of these All of these a secondary access path a physical record key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute is a(n): row of a table. column of a table. key of a table. two dimensional table. row of a table. column of a table. key of a table. two dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have more than one member but only one occurrence per member All of the listed here only one owner but many owner occurrences only one member but many member occurrence more than one member but only one occurrence per member All of the listed here only one owner but many owner occurrences only one member but many member occurrence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the columns are sometimes called "attributes". True False True False ANSWER DOWNLOAD EXAMIANS APP
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