"Ghost in the SQL Data," a mystery adventure game where you solve cases while learning SQL, is set to launch on Steam on October 29! A Japanese-language demo is also available now."Ghost in the SQL Data," a mystery adventure game where you solve cases while learning SQL, is set to launch on Steam on October 29! A Japanese-language demo is also available now."Ghost in the SQL Data," a mystery adventure game where you solve cases while learning SQL, is set to launch on Steam on October 29! A Japanese-language demo is also available now."Ghost in the SQL Data," a mystery adventure game where you solve cases while learning SQL, is set to launch on Steam on October 29! A Japanese-language demo is also available now."Ghost in the SQL Data," a mystery adventure game where you solve cases while learning SQL, is set to launch on Steam on October 29! A Japanese-language demo is also available now.