text: -- noinspection SqlResolveForFile
  ALTER TABLE snowflake_workerid RENAME TO snowflake_competitive_workers;
  ALTER TABLE snowflake_competitive_workers DROP CONSTRAINT snowflake_workerid_pk;
  TRUNCATE TABLE snowflake_competitive_workers;
  ALTER TABLE snowflake_competitive_workers RENAME COLUMN processid TO process_id;
  ALTER TABLE snowflake_competitive_workers MODIFY process_id VARCHAR2(60) NULL;
  ALTER TABLE snowflake_competitive_workers ADD data_center_id NUMBER(3) NULL;
  ALTER TABLE snowflake_competitive_workers RENAME COLUMN workerid TO worker_id;
  ALTER TABLE snowflake_competitive_workers MODIFY worker_id NUMBER(4);
  ALTER TABLE snowflake_competitive_workers RENAME COLUMN regdate TO registered_at;
  ALTER TABLE snowflake_competitive_workers MODIFY registered_at DATE NOT NULL;
  ALTER TABLE snowflake_competitive_workers ADD last_beat_at DATE DEFAULT SYSDATE NOT NULL;
  ALTER TABLE snowflake_competitive_workers ADD CONSTRAINT pk_snowflake_competitive_workers PRIMARY KEY (data_center_id, worker_id);
  