Introduction to Database System The highest level in the hierarchy of data organization is called database data record data bank data file database data record data bank data file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → (B,C). (B,C) → A → A → A → (B,C). (B,C) → A → A → 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
Introduction to Database System Queries to a database can use aggregate functions like SUM and COUNT None of these both (a) and (b) are written in English All of these can use aggregate functions like SUM and COUNT None of these both (a) and (b) are written in English All of these 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? ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
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