ALTER TABLE dsm_datasources ALTER COLUMN databaseaccesstype TYPE varchar(64);
ALTER TABLE dsm_datasources ALTER COLUMN datauploadtype TYPE varchar(64);
ALTER TABLE dsm_datasources ALTER COLUMN databaseaccessrestriction TYPE varchar(64);
ALTER TABLE dsm_datasources ALTER COLUMN datauploadrestriction TYPE varchar(64);
ALTER TABLE dsm_datasources ALTER COLUMN qualitymanagementkind TYPE varchar(64);

ALTER TABLE dsm_datasources ALTER COLUMN missionstatementurl TYPE text;