Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a Relational schema Hierarchical schema Network schema All of the listed here Relational schema Hierarchical schema Network schema All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Entities Attributes Identifiers Relationships Entities Attributes Identifiers Relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to remove a stored function from the database? DROP FUNCTION None of these REMOVE FUNCTION DELETE FUNCTION ERASE FUNCTION DROP FUNCTION None of these REMOVE FUNCTION DELETE FUNCTION ERASE FUNCTION ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The main idea behind computer files is that it is convenient to store information together access them arrange them create them store information together access them arrange them create them ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? program dependence lack of data independence data redundancy All of these difficult to update program dependence lack of data independence data redundancy All of these difficult to update ANSWER DOWNLOAD EXAMIANS APP
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