field_config таблица описание друпал 7

хранит список созданных полей и их настроек =

    id - The primary identifier for a field.
    field_name //- The name of this field. Non-deleted field names are unique, but multiple deleted fields can have the same name.
    type//- The type of this field.
    module //- The module that implements the field type.
    active// - Boolean indicating whether the module that implements the field type is enabled.
    storage_type// - The storage backend for the field.
    storage_module //- The module that implements the storage backend.
    storage_active //- Boolean indicating whether the module that implements the storage backend is enabled.
    locked// - Field can or can not be altered by users.
    data //- Serialized data containing the field properties that do not warrant a dedicated column.
    cardinality //- Sets the number of values one can enter in this field, FIELD_CARDINALITY_UNLIMITED for unlimited.
    translatable //- If value(s) in this field are translatable.
    deleted //- Is this field deleted

источник = http://ado.io/blog/drupal-7/working-programmatically-with-fields-in-drupal-7