text: DROP TABLE ReadOnlyIdEntity;
  DROP TABLE PrimitiveIdEntity;
  DROP TABLE ImmutableWithManualIdentity;
  
  CREATE TABLE ReadOnlyIdEntity (ID SERIAL PRIMARY KEY, NAME VARCHAR(100));
  CREATE TABLE PrimitiveIdEntity (ID SERIAL PRIMARY KEY, NAME VARCHAR(100));
  CREATE TABLE ImmutableWithManualIdentity (ID BIGINT PRIMARY KEY, NAME VARCHAR(100));
  