Introduction to Database System An-owner-member set in the CODASYL specifications may have All of the listed here only one member but many member occurrence more than one member but only one occurrence per member only one owner but many owner occurrences All of the listed here only one member but many member occurrence more than one member but only one occurrence per member only one owner but many owner occurrences ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities use identifiers while tables use keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? difficult to update program dependence data redundancy All of these lack of data independence difficult to update program dependence data redundancy All of these lack of data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a All of the listed here Network schema Relational schema Hierarchical schema All of the listed here Network schema Relational schema Hierarchical schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types. Database Table Data structure None of these Flat file Database Table Data structure None of these Flat file ANSWER DOWNLOAD EXAMIANS APP
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