Root folder of samples for EFFECTIVE SQL (ISBN-10: 0134578899) See Master Database List.txt for a summary of all the sample databases used. See Listings.xlsx for a complete list of all listings used in the book and the status of each. Green indicates the listing exists. Yellow indicates the listing exists, but was modified substantially from what is in the book in order to work on a particular database system. Red indicates that the sample does not exist for that database system. You can find comments in all yellow and red boxes explaining the situation.