text: COPY INTO ddate FROM '/mydata/SQL-benchmark-data-generator/ssbgen/date.tbl' ;
  COPY INTO part FROM '/mydata/SQL-benchmark-data-generator/ssbgen/part.tbl' ;
  COPY INTO customer FROM '/mydata/SQL-benchmark-data-generator/ssbgen/customer.tbl' ;
  COPY INTO supplier FROM '/mydata/SQL-benchmark-data-generator/ssbgen/supplier.tbl' ;
  COPY INTO lineorder FROM '/mydata/SQL-benchmark-data-generator/ssbgen/lineorder.tbl' ;