Introduction to Database System Composite identifiers consist of two or more attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database 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 None of these are written in English All of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The designer of a form includes data both (a) and (b) None of these filed designators prompts data both (a) and (b) None of these filed designators prompts ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DISTINCT All of these None of these SELECT DIFFERENT SELECT UNIQUE SELECT DISTINCT All of these None of these SELECT DIFFERENT SELECT UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. True False True False ANSWER DOWNLOAD EXAMIANS APP
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