Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? IDMS R:base Oracle dBase-II IDMS R:base Oracle dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. determinants. candidate keys. composite keys. foreign keys. determinants. candidate keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When using a database management system, the first thing that you must do is to create a database file activate file editor keep a floppy disk in readiness load the software into your micro¬computer create a database file activate file editor keep a floppy disk in readiness load the software into your micro¬computer ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? DBMS Users Database applications COBOL programs DBMS Users Database applications COBOL programs 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. Many-to-one relationship Many-to-many relationship One-to-many relationship None of these One-to-one relationship Many-to-one relationship Many-to-many relationship One-to-many relationship None of these One-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
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