are three basic database operations in Merlin:
Merlin provides a number of search services. You can
search for particular text or "ranges" of text (e.g. names, properties,
activity, etc.), numeric ranges, similar molecular structures,
substructures, and superstructures.
Merlin can sort information using a variety of "comparison
functions," including numeric, alphabetic, molecular formula,
CAS number, etc.
You can use several techniques to select items of interest