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-one relationship One-to-many relationship Many-to-many relationship None of these Many-to-one relationship One-to-one relationship One-to-many relationship Many-to-many relationship None of these Many-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A set of programs that handle a firm's data base responsibilities is called a None of these Data Management System (DMS) Data Base Management System (DBMS) Data Base Processing System (DBPS) All of these None of these Data Management System (DMS) Data Base Management System (DBMS) Data Base Processing System (DBPS) All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types. None of these Data structure Flat file Database Table None of these Data structure Flat file Database Table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Relationships Primary keys Entities Attributes Relationships Primary keys Entities Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Archetype entity Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table INSERT COLUMN ADD COLUMN ALTER TABLE MODIFY TABLE INSERT COLUMN ADD COLUMN ALTER TABLE MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP