Introduction to Database System The highest level in the hierarchy of data organization is called data bank data file data record database data bank data file data record database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A set of programs that handle a firm's data base responsibilities is called a Data Management System (DMS) Data Base Processing System (DBPS) Data Base Management System (DBMS) None of these All of these Data Management System (DMS) Data Base Processing System (DBPS) Data Base Management System (DBMS) None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? ID-independent entity ID-dependent entity Weak entity Strong entity ID-independent entity ID-dependent entity Weak entity Strong entity 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
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