Introduction to Database System Relationship classes are associations between entity classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file that is organized in uniform format is formally referred to as a _____ or a database file. Database Document None of these Structured data file Record Database Document None of these Structured data file Record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file has a number assigned to each record both (b) and (c) None of these is sorted in ascending order contains only a list of keys and record numbers has a number assigned to each record both (b) and (c) None of these is sorted in ascending order contains only a list of keys and record numbers ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. 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 REMOVE FUNCTION None of these ERASE FUNCTION DELETE FUNCTION DROP FUNCTION REMOVE FUNCTION None of these ERASE FUNCTION DELETE FUNCTION ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Hierarchical database Network database Relational database Distributed database Hierarchical database Network database Relational database Distributed database ANSWER DOWNLOAD EXAMIANS APP
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