Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Characteristic(s) of a distributed MIS structure is computers supporting local DP operations All of these interactive sharing of the workload None of these a multiprocessing environment computers supporting local DP operations All of these interactive sharing of the workload None of these a multiprocessing environment ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Primitive operations common to all record management systems include Print All of the listed here Look-up Sort Print All of the listed here Look-up Sort ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. child instance subtype parent child instance subtype parent ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database None of these All of these can use aggregate functions like SUM and COUNT are written in English both (a) and (b) None of these All of these can use aggregate functions like SUM and COUNT are written in English both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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