--- description: This is a list of all tables used for the Ushahidi Platform. --- # Database \| Tables overview

Table	Description	Relevant areas of Ushahidi UI/functionality	Comments
apikeys	Generate API keys for external services that connect with the platform API	Setting -> General (it shows your API Key).	-
config	Stores configuration for the deployment	-	-
contacts	Stores contact information for users	Used for: SMS contacts, twitter contacts , mail contacts. Messages are usually associated with contacts.	-
country_codes	Stores countrycodes for targeted surveys	Settings -> Surveys -> Create targeted survey	This feature needs the targeted survey feature-flag to be turned on.
csv	Stores details about a CSV export.	Used by the UI to check on CSV export status (done, in progress ,etc) and get the url to download the file generated. Settings -> Export data	-
export_batches	Used to separate a large export in chunks to be processed.	Settings -> Export data	-
export_job	Used to store data about the exports requested by the user in the csv endpoint.	Settings->Export data	-
form_attribute_hxl_attribute_tag	Stores the relationship between an HXL tag and attribute and a form attribute. For instance the match of a #meta tag +value attribute with a "description" field	Settings-> Export data	HDX Feature - available only in some deployments through the Export UI
form_attributes	Stores information about each field (question) in a survey.	Settings -> Surveys -> Create/Edit survey	-
form_roles	Stores information if a survey is restricted to specific roles only.	Settings -> Surveys -> Create/Edit survey -> Configuration-	-
form_stages	Stores information about each section in a survey, for example post or tasks.	Settings -> Surveys -> Create/Edit survey	-
form_stages_posts	Stores relations between posts and forms_stages and if a task is completed in a post.	Settings -> Surveys -> Create/Edit survey Add post Edit post View post	-
forms	Stores basic information about each survey	Settings -> Surveys Add post View post Edit/Structure post	-
hxl_attribute_type_tag	Stores the types of attributes that can be matched with each HXL attribute. For instance you can only match #geo (+lat + lon) to location fields.	Settings -> Export data	HDX feature - only available in some deployments through export UI. Uses this field to show the list of available tags for each field
hxl_attributes	All the available HXL attributes	Settings -> Export data	HDX feature only available in some deployments.
hxl_license	All the available HDX licenses	Settings -> Export data	HDX feature only available in some deployments.
hxl_meta_data	Information required to save a dataset into HDX (humdata.org) such as license selected, name, and privacy settings	Settings -> Export data	HDX feature only available in some deployments.
hxl_tag_attributes	Relationship between HXL Tags and Attributes (which attributes are available for each tag)	This field is used to show the correct attributes when you select a tag Settings -> Export data	HDX feature only available in some deployments.
hxl_tags	Stores all the available HXL tags	Settings -> Export data	HDX feature only available in some deployments.
layers	Used to determine which map layers wee have available.	Settings -> General contains the list of layers	-
media	Stores info about images uploaded to posts.	Add post Edit post View post	-
messages	Stores SMS, Twitter and other messages and their relationship to a contact.	Edit/Structure post View post Settings -> Data Sources	-
notification_queue	Keeping track of which kinds of notifications have been requested by users	Collections/Saved searches	-
notifications	The actual notifications to be sent, until they are processed and actually sent out (in the background)	Collections/Saved searches	-
oauth_access_tokens	Links users and their client ID to an access token generated to login	-	-
oauth_auth_codes	N/A	N/A	N/A
oauth_clients	All available clients. Used by the platform UI to get authorization to perform actions. We currently use 2 grants, the client_credentials one for anon requests which uses the oauth_clients data, and the password grant which uses oauth_clients and the user's login details to authenticate a user	-	-
oauth_personal_access_clients	NA	NA	N/A
oauth_refresh_tokens	Used to refresh Authorization tokens	-	-
permissions	Stores the permissions availble in the platform.	Settings -> Roles	-
phinxlog	Used to store information about the migrations already executed in the platform.	-	-
post_comments	N/A	N/A	N/A
post_datetime	Stores post-values for form-attributes "Date" and "Date&Time".	Add Posts View Posts Edit Posts	-
post_decimal	Stores post-values for form-attribute "Number(decimal)".	Add Posts View Posts Edit Posts	-
post_geometry	Stores OpenGIS formatted geometries	Add Posts View Posts Edit Posts	-
post_int	Stores post-values for form-attribute "Number(integer)"	Add Posts View Posts Edit Posts	-
post_locks	Stores info about which posts are currently being edited and locked for other users to edit.	Add Posts View Posts Edit Posts	-
post_markdown	Stores post-values for form-attribute "Markdown"	Add Posts View Posts Edit Posts	-
post_media	Stores id for media-files uploaded in a post (form-attribute type "Image").	Add Posts View Posts Edit Posts	-
post_point	Stores post-values for form-attribute "Location".	Add Posts View Posts Edit Posts	-
post_relation	Stores post-values for form-attribute "Related posts".	Add Posts View Posts Edit Posts	-
post_text	Stores post-values for form-attribute "Long Text".	Add Posts View Posts Edit Posts	-
post_varchar	Stores post-values for form-attributes "Short text", "Select (dropdowns)", "Radio buttons", "Checkboxes" and "Embed video"	Add Posts View Posts Edit Posts	-
posts	Store basic info about each post.	Add Posts View Posts Edit Posts	-
posts_media	Holds info about the files that are uploaded to posts.	Add Posts View Posts Edit Posts	-
posts_sets	Holds information about saved searches.	Sort & Filter -> filter by Saved Search Sort & Filter -> Save search Sort & Filter -> Update search	-
posts_tags	Stores which categories is selected in which post.	Add posts View posts Edit posts Setting -> Categories	-
roles	Stores all defined roles.	Settings -> Roles Settings -> Users	-
roles_permissions	Stores relations between roles and permissions	Settings -> Roles	-
sets	Stores all saved searches available.	Sort & Filter -> Saved searches	-
tags	All categories created	Settings -> Categories Settings -> Surveys -> Create/Edit survey Add post View post Edit post	-
targeted_survey_state	This is used to save the status of a targeted survey (which was the last survey question sent out to each user)	Settings -> Surveys	Only available to deployments in some custom enterprise plans.
tos	Stores info of when and if each has signed the terms and conditions	-	-
user_reset_tokens	used to store password reset tokens	Login -> Forgot Your Password?	-
user_settings	User specific settings such as HDX api keys	-	-
users	Store users	Settings -> Users	-
webhook_job	Stores jobs generated by the system (used by the webhooks jobs queue).	Settings -> Webhooks	-
webhooks	Stores information of each webhook such as url, method, etc	Settings -> Webhooks	-