Introduction to Database System A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file. File structure Database Fields Records File structure Database Fields Records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? All of these SELECT SUB FROM BOOK None of these SELECT DISTINCT SUB FROM BOOK SELECT ALL FROM BOOK All of these SELECT SUB FROM BOOK None of these SELECT DISTINCT SUB FROM BOOK SELECT ALL FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a Hierarchical schema All of the listed here Network schema Relational schema Hierarchical schema All of the listed here Network schema Relational schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS each user can access every sub¬schema each user can "see" only a small part of the entire database all of the listed here each subschema contains every field in the logical schema each user can access every sub¬schema each user can "see" only a small part of the entire database all of the listed here each subschema contains every field in the logical schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema is a standard way of organizing information into accessible parts All of these None of these describes how data is actually stored on disk is the entire database is a standard way of organizing information into accessible parts All of these None of these describes how data is actually stored on disk is the entire database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): attribute. entity class. ER database. attribute. entity class. ER database. ANSWER DOWNLOAD EXAMIANS APP
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