Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute describes the entity's characteristics. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to remove a stored function from the database? DROP FUNCTION DELETE FUNCTION REMOVE FUNCTION ERASE FUNCTION None of these DROP FUNCTION DELETE FUNCTION REMOVE FUNCTION ERASE FUNCTION None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? treelike structure records complex logical relationships tables treelike structure records complex logical relationships tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System For some relations, changing the data can have undesirable consequences called: normal forms. modification anomalies. transitive dependencies. referential integrity constraints. normal forms. modification anomalies. transitive dependencies. referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
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