Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an archetype entity a subtype entity an instance entity itself an archetype entity a subtype entity an instance entity itself ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation has cells that hold multi-value entries. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute is a(n): two dimensional table. row of a table. key of a table. column of a table. two dimensional table. row of a table. key of a table. column of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database can use aggregate functions like SUM and COUNT both (a) and (b) None of these All of these are written in English can use aggregate functions like SUM and COUNT both (a) and (b) None of these All of these are written in English ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database is called "self-describing" because it contains a description of itself. False True False True ANSWER DOWNLOAD EXAMIANS APP
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