---- create.source------ CLASS POPULATION--	(any resemblance to real life is purely coincidental)--COPY aggtest FROM '_OBJWD_/data/agg.data';COPY onek FROM '_OBJWD_/data/onek.data';COPY onek TO '_OBJWD_/results/onek.data';DELETE FROM onek;COPY onek FROM '_OBJWD_/results/onek.data';COPY tenk1 FROM '_OBJWD_/data/tenk.data';COPY slow_emp4000 FROM '_OBJWD_/data/rect.data';COPY person FROM '_OBJWD_/data/person.data';COPY emp FROM '_OBJWD_/data/emp.data';COPY student FROM '_OBJWD_/data/student.data';COPY stud_emp FROM '_OBJWD_/data/stud_emp.data';COPY road FROM '_OBJWD_/data/streets.data';COPY real_city FROM '_OBJWD_/data/real_city.data';COPY hash_i4_heap FROM '_OBJWD_/data/hash.data';COPY hash_name_heap FROM '_OBJWD_/data/hash.data';COPY hash_txt_heap FROM '_OBJWD_/data/hash.data';COPY hash_f8_heap FROM '_OBJWD_/data/hash.data';-- the data in this file has a lot of duplicates in the index key-- fields, leading to long bucket chains and lots of table expansion.-- this is therefore a stress test of the bucket overflow code (unlike-- the data in hash.data, which has unique index keys).---- COPY hash_ovfl_heap FROM '_OBJWD_/data/hashovfl.data';COPY bt_i4_heap FROM '_OBJWD_/data/desc.data';COPY bt_name_heap FROM '_OBJWD_/data/hash.data';COPY bt_txt_heap FROM '_OBJWD_/data/desc.data';COPY bt_f8_heap FROM '_OBJWD_/data/hash.data';