Introduction to Database System A relation is considered a: three-dimensional table. one-dimensional table. Column. two-dimensional table. three-dimensional table. one-dimensional table. Column. two-dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS all of the listed here each user can access every sub¬schema each subschema contains every field in the logical schema each user can "see" only a small part of the entire database all of the listed here each user can access every sub¬schema each subschema contains every field in the logical schema each user can "see" only a small part of the entire database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file that is organized in uniform format is formally referred to as a _____ or a database file. Document None of these Record Structured data file Database Document None of these Record Structured data file Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? data dictionary and transaction log data dictionary and query language query language and utilities None of the listed here data dictionary and transaction log data dictionary and query language query language and utilities None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes All of these records and files None of these data elements record relationships All of these records and files None of these data elements record relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity Supertype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP