1.	assignments	Course-conference assignments.
2.	conf_has_items	Link items to their containing conferences
3.	confhidden	User wants to hide a conf (not show in conf list)
4.	configuration	Configuration
5.	conforder	Conference order override
6.	confs	Confs
7.	events
8.	grade_scores	Scores on graded tasks
9.	grade_tasks	Graded tasks
10.	grouprules	List of rule rule definitions for all groups (individual user defined groups, conference groups, manager groups, etc.)
11.	groups	Groups
12.	items	Items
13.	name_cascade	Name Cascade
14.	nums	Numbers
15.	quiz	Quizzes. Each quiz has a unique key (qkey); each row represents a single quiz.
16.	quizanswers	Each problem may have multiple "rows" of answers, e.g. a three-choice multiple-choice problem has 3 rows which define the possible answers.
17.	quizmap	Maps sets of problems to a quiz. This tells us which quizzes "own" or "contain" which problems. Each row relates (connects) one problem to one quiz.
18.	quizproblems	Each problem has a unique key (pkey); each row represents a single problem.
19.	quizscore	Records Takers' scores on problems. One row per Taker/problem/quiz/session combination. (Allows for a single problem to be shared across multiple quizzes, and also for taking a quiz more than once.) .
20.	resps	Responses
21.	resps_seen	How much has each user seen of each item?
22.	site_data	"Variables" about site, conferences, items.
23.	task_cats	Task Categories
24.	task_links	Task-to-Item links
25.	tasks	Tasks
26.	user_columns	Metadata about columns in user_info
27.	user_data	User "variables" that control or modify the actual operation of the software.
28.	user_iface	Which user fields appear in which interface
29.	user_in_conf	When were users in what conferences?
30.	user_info	Basic information about users