Documentation on Database Tables

PROJECT TITLE: Regularize Expertiza DB schema

PROBLEM DESCRIPTION:
 
The current Expertiza database has some problems which needs to be rectified.
 
The current Expertiza database has issues similar to what is described below:
 
1. redundant record. For instance, deadline_types table has two signup and team_formation record.
 
2. some field name is confused. For instance, in users table assignment_id becomes parent_id and in response_maps assignment_id becomes 
 reviewed_object_id.

 The scope of our project is to rectify these problems by performing the below steps.
 
 1. Go through the Expertiza_development database to find tables that not used any more or redundant records.
 
 2. Write migrations to regularize the Expertiza database and also change code if necessary.
 
 3. Make sure all existing tests are passed and change test code if necessary
 
 4. Modify database wiki page to make it up to date

DATABASE TABLE DESCRIPTION:
 
Below is the old detailed description of the tables in the Expertiza DB schema.
Our Primary Job is updating the wiki and making it more informative by including all the changes in the Expertiza Db in this wiki.

STEPS TO NAVIGATE TO expertiza_development SCHEMA:
 
 1. Open terminal.
 
 2. Change to the "expertiza" folder using the command: $cd expertiza
 
 3. Invoke the rails database console using the command: "$rails dbconsole" and give the password "expertiza" when prompted.
 
 4. List the databases present in the MYSQL server using the command >show databases;
 
 5. Move to the "expertiza_development" database using the command >use expertiza_development
 
 6. List down the tables present in the "expertiza_development" using the command >show tables;

FLOWCHART:

1. Assignments

   assignments

   assignment_questionnaires

   deadline_types

   deadline_rights

   due_dates

   late_policies

   participants

   wiki_types

   Deprecated Tables

   assignments_questionnaires

2. Goldberg

   content_pages

   controller_actions

   markup_styles

   menu_items

   permissions

   plugin_schema_info

   roles

   roles_permissions

   schema_info

   site_controllers

   users

   system_settings

3. Reviewing

   comments

   mapping_strategies

   responses

   response_maps

   review_strategies

   score_caches

   scores

   Deprecated Tables

   review_feedbacks

   review_mappings

   review_of_review_mappings

   review_of_reviews

   reviews

   teammate_reviews

4. Teammate

   invitations

   teams

   teams_users

5. Courses

   courses

6. Hierarchy

   institutions

   languages

7. Display

   nodes

   tree_folders

8. Questionnaires/Rubrics

   question_advices

   questionnaires

   questions

   Deprecated Tables

   questionnaire_types

9. Surveys

   survey_deployments

   survey_participants

   survey_responses

10. Other Features

    signed_up_users

    sign_up_topics

    resubmission_times

    ta_mappings

11. New Tables

    versions

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