Introduction to Database System Queries to a database None of these are written in English All of these both (a) and (b) can use aggregate functions like SUM and COUNT None of these are written in English All of these both (a) and (b) can use aggregate functions like SUM and COUNT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . a subtype entity an archetype entity an instance entity itself a subtype entity an archetype entity an instance entity itself ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Attribute Identifier Entity Relationship Attribute Identifier Entity Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then both (a) and (b) storage space is wasted it can be more easily accessed changing the data is one spot will cause data inconsistency None of these both (a) and (b) storage space is wasted it can be more easily accessed changing the data is one spot will cause data inconsistency None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: separate files None of these users data base data-base administrator separate files None of these users data base data-base administrator ANSWER DOWNLOAD EXAMIANS APP
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