Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can change the width of a field change the name of a field correct spelling changes before they are recorded All of the listed here change the width of a field change the name of a field correct spelling changes before they are recorded All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. parent child instance subtype parent child instance subtype 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 R:base dBase-II Oracle IDMS R:base dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: foreign keys. determinants. composite keys. candidate keys. foreign keys. determinants. composite keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file contains only a list of keys and record numbers has a number assigned to each record None of these is sorted in ascending order both (b) and (c) contains only a list of keys and record numbers has a number assigned to each record None of these is sorted in ascending order both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities use identifiers while tables use keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
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