Introduction to Database System Two files may be joined into a third file if they have a field in common they have no records with the same value in the common field None of these they have a row in common both (b) and (c) they have a field in common they have no records with the same value in the common field None of these they have a row in common both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A set of programs that handle a firm's data base responsibilities is called a All of these Data Management System (DMS) Data Base Processing System (DBPS) None of these Data Base Management System (DBMS) All of these Data Management System (DMS) Data Base Processing System (DBPS) None of these Data Base Management System (DBMS) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The main idea behind computer files is that it is convenient to store information together access them create them arrange them store information together access them create them arrange them 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. Flat file None of these Database Data structure Table Flat file None of these Database Data structure Table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: candidate keys. determinants. composite keys. foreign keys. candidate keys. determinants. composite keys. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → A → (B,C) → A → (B,C). A → A → (B,C) → A → (B,C). ANSWER DOWNLOAD EXAMIANS APP
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