github.com/matrixorigin/matrixone@v1.2.0/test/distributed/cases/benchmark/tpch/02_LOAD/10_select_count.sql (about) 1 use tpch; 2 select count(*) from customer; 3 select count(*) from lineitem; 4 select count(*) from nation; 5 select count(*) from orders; 6 select count(*) from part; 7 select count(*) from partsupp; 8 select count(*) from supplier;