title: heuristic and randomized optimization for the join ordering problem. authors: guido moerkotte , michael steinbrunn , alfons kemper. venue: vldb j.. year: 1997
title: heuristic and randomized optimization for the join ordering problem. authors: michael steinbrunn , guido moerkotte , alfons kemper. venue: the vldb journal -- the international journal on very large data bases. year: 1997