text: drop table if exists ukb_clinvar;
  
  create table ukb_clinvar (
      ukb_pheno_id smallint not null REFERENCES phenotypes,
      clinvar_pheno_id smallint not null REFERENCES clinvar_phenotypes,
      sqrt_z2_avg real not null,
      primary key(ukb_pheno_id, clinvar_pheno_id)
  );
  