Introduction to Database System A top-to-bottom relationship among the items in a database is established by a All of the listed here Hierarchical schema Relational schema Network schema All of the listed here Hierarchical schema Relational schema Network schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An operation that will increase the length of a list is Modify Look-up Insert All of the listed here Modify Look-up Insert All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is made up a several pieces of information is a combination of each unique key both (a) and (b) None of these uniquely identifies an item in a list is made up a several pieces of information is a combination of each unique key both (a) and (b) None of these uniquely identifies an item in a list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: normal forms. referential integrity constraints. functional dependencies. None of these normal forms. referential integrity constraints. functional dependencies. None of these ANSWER DOWNLOAD EXAMIANS APP
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