Introduction to Database System Which command is used to remove an index from the database in SQL? ROLL BACK INDEX REMOVE INDEX DELETE INDEX DROP INDEX ROLL BACK INDEX REMOVE INDEX DELETE INDEX DROP INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a general collection of data items an orderly collection of data items None of these a random collection of data items a single data item a general collection of data items an orderly collection of data items None of these a random collection of data items a single data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file upgrading restructuring renewing Updating upgrading restructuring renewing Updating ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ Contains fields of data about one entity. Fields Document File Record None of these Fields Document File Record None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in None of these a sequential file an indexed file a hashed file a tree file None of these a sequential file an indexed file a hashed file a tree file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Embedded pointer provide a physical record key a secondary access path All of these an inverted index None of these a physical record key a secondary access path All of these an inverted index None of these ANSWER DOWNLOAD EXAMIANS APP
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