Scan creates an iterator that iterates over each object of the given table.

ScanReverse creates an iterator that iterates over each object of the given table in reverse order.

DeleteOperator reads the input stream and deletes the object from the specified index.

InsertOperator reads the input stream and indexes each object.

A ScanOperator iterates over the objects of an index.

ValidateOperator reads the input stream and deletes the object from the specified index.