Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. False True False True 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. One-to-many relationship One-to-one relationship Many-to-one relationship Many-to-many relationship None of these One-to-many relationship One-to-one relationship Many-to-one relationship Many-to-many relationship None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity. subtype parent child instance subtype parent child instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? All of these It is inflexible Programs are dependent on the files It is file-oriented There is common sharing of data among the various applications All of these It is inflexible Programs are dependent on the files It is file-oriented There is common sharing of data among the various applications ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? COMMIT SAVE PACK ZIP COMMIT SAVE PACK ZIP ANSWER DOWNLOAD EXAMIANS APP
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