The table `itgen_codes` holds: a discrete domain of code values and their meaning. Example: The code 'sexe' describes the possible sexes. It keeps history. Its natural key code is `cde`. ## Columns The table has these columns, besides the [[Invantive Studio/Repository/Concepts/Standard Columns|standard columns]]: - `apn_id` (`number`, required): {res:itgen_some_table_id?{res:itgen_application}&{res:itgen_id}}. Reference to an application registered in ITGEN_APPLICATIONS. - `code` (`varchar2(30)`, required): Code. Unique alphanumeric code. - `description` (`varchar2(240)`, required): Description. Description in natural language for display on reports and screens. - `documentation` (`varchar2(4000)`): Documentation. Documentation on the code. - `icon_url` (`varchar2(240)`): Icon (URL). URL for the icon of this value. - `column1` to `column10` and `column_type`: free text columns to extend the data model with fields only available at one site. ## Referential Constraints The table is related to other tables as follows: - `apn_id` refers to Applications (`id`). - Code Values refers to this table through `cde_id`. ## Indexes The table has these indexes: - `itgen_cde_apn_fk` on `apn_id`. - `itgen_cde_nk` (unique) on `apn_id`, `code`. - `itgen_cde_pk` (unique) on `id`. - `itgen_cde_uk_orig` (unique) on `orig_system_reference`. See also [[Invantive Studio/Repository/Reference/Tables of the Repository|Tables of the Repository]].