// Table names
define('ACL_GROUPS_TABLE', $table_prefix . 'acl_groups');
define('ACL_OPTIONS_TABLE', $table_prefix . 'acl_options');
define('ACL_ROLES_DATA_TABLE', $table_prefix . 'acl_roles_data');
define('ACL_ROLES_TABLE', $table_prefix . 'acl_roles');
define('ACL_USERS_TABLE', $table_prefix . 'acl_users');
define('ATTACHMENTS_TABLE', $table_prefix . 'attachments');
define('BANLIST_TABLE', $table_prefix . 'banlist');
define('BBCODES_TABLE', $table_prefix . 'bbcodes');
define('BOOKMARKS_TABLE', $table_prefix . 'bookmarks');
define('BOTS_TABLE', $table_prefix . 'bots');
define('CONFIG_TABLE', $table_prefix . 'config');
define('CONFIRM_TABLE', $table_prefix . 'confirm');
define('DISALLOW_TABLE', $table_prefix . 'disallow');
define('DRAFTS_TABLE', $table_prefix . 'drafts');
define('EXTENSIONS_TABLE', $table_prefix . 'extensions');
define('EXTENSION_GROUPS_TABLE', $table_prefix . 'extension_groups');
define('FORUMS_TABLE', $table_prefix . 'forums');
define('FORUMS_ACCESS_TABLE', $table_prefix . 'forums_access');
define('FORUMS_TRACK_TABLE', $table_prefix . 'forums_track');
define('FORUMS_WATCH_TABLE', $table_prefix . 'forums_watch');
define('GROUPS_TABLE', 'phpbb_groups');
define('ICONS_TABLE', $table_prefix . 'icons');
define('LANG_TABLE', $table_prefix . 'lang');
define('LOG_TABLE', $table_prefix . 'log');
define('MODERATOR_CACHE_TABLE', $table_prefix . 'moderator_cache');
define('MODULES_TABLE', $table_prefix . 'modules');
define('POLL_OPTIONS_TABLE', $table_prefix . 'poll_options');
define('POLL_VOTES_TABLE', $table_prefix . 'poll_votes');
define('POSTS_TABLE', $table_prefix . 'posts');
define('PRIVMSGS_TABLE', $table_prefix . 'privmsgs');
define('PRIVMSGS_FOLDER_TABLE', $table_prefix . 'privmsgs_folder');
define('PRIVMSGS_RULES_TABLE', $table_prefix . 'privmsgs_rules');
define('PRIVMSGS_TO_TABLE', $table_prefix . 'privmsgs_to');
define('PROFILE_FIELDS_TABLE', $table_prefix . 'profile_fields');
define('PROFILE_FIELDS_DATA_TABLE', $table_prefix . 'profile_fields_data');
define('PROFILE_FIELDS_LANG_TABLE', $table_prefix . 'profile_fields_lang');
define('PROFILE_LANG_TABLE', $table_prefix . 'profile_lang');
define('RANKS_TABLE', $table_prefix . 'ranks');
define('REPORTS_TABLE', $table_prefix . 'reports');
define('REPORTS_REASONS_TABLE', $table_prefix . 'reports_reasons');
define('SEARCH_RESULTS_TABLE', $table_prefix . 'search_results');
define('SEARCH_WORDLIST_TABLE', $table_prefix . 'search_wordlist');
define('SEARCH_WORDMATCH_TABLE', $table_prefix . 'search_wordmatch');
define('SESSIONS_TABLE', $table_prefix . 'sessions');
define('SESSIONS_KEYS_TABLE', $table_prefix . 'sessions_keys');
define('SITELIST_TABLE', $table_prefix . 'sitelist');
define('SMILIES_TABLE', $table_prefix . 'smilies');
define('STYLES_TABLE', $table_prefix . 'styles');
define('STYLES_TEMPLATE_TABLE', $table_prefix . 'styles_template');
define('STYLES_TEMPLATE_DATA_TABLE',$table_prefix . 'styles_template_data');
define('STYLES_THEME_TABLE', $table_prefix . 'styles_theme');
define('STYLES_IMAGESET_TABLE', $table_prefix . 'styles_imageset');
define('TOPICS_TABLE', $table_prefix . 'topics');
define('TOPICS_POSTED_TABLE', $table_prefix . 'topics_posted');
define('TOPICS_TRACK_TABLE', $table_prefix . 'topics_track');
define('TOPICS_WATCH_TABLE', $table_prefix . 'topics_watch');
define('USER_GROUP_TABLE', 'phpbb_user_group');
define('USERS_TABLE', 'phpbb_users');
define('WARNINGS_TABLE', $table_prefix . 'warnings');
define('WORDS_TABLE', $table_prefix . 'words');
define('ZEBRA_TABLE', $table_prefix . 'zebra');
Thats the layout of the 2nd install, I have only shared the 3 tables, im getting a bit cross-eyed now looking through code for anything that stands out