Introduction to Database System A data dictionary is a special file that contains the names of all fields in all files the data types of all fields in all files None of these All of these the widths of all fields in all files the names of all fields in all files the data types of all fields in all files None of these All of these the widths of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa. One-to-one relationship One-to-many relationship Many-to-one relationship None of these Many-to-many relationship One-to-one relationship One-to-many relationship Many-to-one relationship None of these Many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Relationship Entity Attribute Identifier Relationship Entity Attribute Identifier 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 For some relations, changing the data can have undesirable consequences called: normal forms. referential integrity constraints. modification anomalies. transitive dependencies. normal forms. referential integrity constraints. modification anomalies. transitive dependencies. 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
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