Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? R:base Oracle dBase-II IDMS R:base Oracle dBase-II IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has data and relationships. False True False True 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? 4GL High level language Query language SQL 4GL High level language Query language SQL ANSWER DOWNLOAD EXAMIANS APP
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 A relation in this form is free of all modification anomalies. Third normal form Domain/key normal form Second normal form First normal form Third normal form Domain/key normal form Second normal form First normal form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type of related to a single-entity instance of another type? One-to-Many Relationship Many-to-Many Relationship One-to-One Relationship Composite Relationship One-to-Many Relationship Many-to-Many Relationship One-to-One Relationship Composite Relationship ANSWER DOWNLOAD EXAMIANS APP