Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? dBase-II R:base IDMS DB2 dBase-II R:base IDMS DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . database table relationship instance database table relationship instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to All of the listed here identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys identify the records in the list All of the listed here identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys identify the records in the list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: functional dependencies. normal forms. None of these referential integrity constraints. functional dependencies. normal forms. None of these referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. Third normal form First normal form Second normal form Domain/key normal form Third normal form First normal form Second normal form Domain/key normal form ANSWER DOWNLOAD EXAMIANS APP
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