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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail can be used to restore lost information is used to make back-up copies All of the listed here is the recorded history of operations performed on a file can be used to restore lost information is used to make back-up copies All of the listed here is the recorded history of operations performed on a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Network database Distributed database Hierarchical database Relational database Network database Distributed database Hierarchical database Relational database ANSWER DOWNLOAD EXAMIANS APP
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 DB2 R:base IDMS dBase-II DB2 R:base IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation sorts a file using a single key sorts file using two keys None of the listed here establishes an index for a file sorts a file using a single key sorts file using two keys None of the listed here establishes an index for a file ANSWER DOWNLOAD EXAMIANS APP