create database if not exists db0 create table if not exists db0.tb0 (ts timestamp, field int) import into db0.tb0 file demo.csv create database if not exists db1 use db1 create table if not exists tb1 (ts timestamp, name binary(8)) insert into tb1 values('2010-07-23 11:01:02.000', 'xxxx') insert into tb1 values(now, 'aaaa'); insert into tb1 values(now+1a, 'bbbb'); insert into tb1 values(now+1s, 'cccc'); insert into tb1 values(now+1m, 'dddd'); insert into tb1 values(now+1h, 'eeee'); insert into tb1 values(now+1d, 'ffff'); insert into tb1 values(now+1w, 'gggg'); insert into tb1 values(now+1n, 'hhhh'); insert into tb1 values(now+1y, 'iiii');