Introduction to Database System Relationship classes are associations between entity classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? Oracle IDMS dBase-II R:base Oracle IDMS dBase-II R:base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in None of these a hashed file a sequential file a tree file an indexed file None of these a hashed file a sequential file a tree file an indexed file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Database applications are seldom intended for use by a single user. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? SQL High level language Query language 4GL SQL High level language Query language 4GL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type may be related to more than one record of another record type. One-to-many relationship Many-to many relationship Many-to-one relationship One-to-one relationship One-to-many relationship Many-to many relationship Many-to-one relationship One-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
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