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. None of these One-to-one relationship Many-to-many relationship Many-to-one relationship One-to-many relationship None of these One-to-one relationship Many-to-many relationship Many-to-one relationship One-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier typically uses more than one attribute. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database is called "self-describing" because it contains a description of itself. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Characteristic(s) of a distributed MIS structure is None of these computers supporting local DP operations All of these interactive sharing of the workload a multiprocessing environment None of these computers supporting local DP operations All of these interactive sharing of the workload a multiprocessing environment ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file refers to how closely the files fits into the allocated None of these is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run if high, reduces processing efficiency for sequential and nonsequential files refers to how closely the files fits into the allocated None of these is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run if high, reduces processing efficiency for sequential and nonsequential files 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? R:base IDMS dBase-II Oracle R:base IDMS dBase-II Oracle ANSWER DOWNLOAD EXAMIANS APP