Introduction to Database System Keys made up of two or more attributes are called composite keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data base data item record field data base data item record field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Bits None of the listed here Characters Data field Bits None of the listed here Characters Data field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The way a particular application views the data from the data base that the application uses is a : relational model module None of these subschema schema relational model module None of these subschema schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to remove a stored function from the database? DELETE FUNCTION None of these REMOVE FUNCTION ERASE FUNCTION DROP FUNCTION DELETE FUNCTION None of these REMOVE FUNCTION ERASE FUNCTION DROP FUNCTION ANSWER DOWNLOAD EXAMIANS APP
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