CREATE TABLE tpch.customer
(C_CUSTKEY DECIMAL(18,0), 
C_NAME VARCHAR(25),
C_ADDRESS VARCHAR(40),
C_NATIONKEY DECIMAL(18,0),
C_PHONE CHAR(15),
C_ACCTBAL DECIMAL(15,2),
C_MKTSEGMENT CHAR(10),
C_COMMENT VARCHAR(117),
dummy VARCHAR(2000000));