Introduction to Database System In a large DBMS 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 each user can access every sub¬schema each user can "see" only a small part of the entire database all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an archetype and an instance of that archetype. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be the last name the pin code None of these All of these a compound key consisting of the first name and the last name the last name the pin code None of these All of these a compound key consisting of the first name and the last name ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT ALL FROM BOOK SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these None of these SELECT ALL FROM BOOK SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): attribute. entity class. database. ER attribute. entity class. database. ER ANSWER DOWNLOAD EXAMIANS APP
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