text: DROP DATABASE IF EXISTS db1;
  CREATE DATABASE db1;
  USE db1;
  
  CREATE TABLE IF NOT EXISTS t1(a UInt32, b UInt64, c String);
  INSERT INTO t1 (a,b,c) values ( 1, 1, '1' ), (2, 2, '"2"-"2"');
  SELECT * FROM t1;
  
  SELECT sum(a) from t1;
  
  CREATE TABLE IF NOT EXISTS t2(a Boolean, b Timestamp, c Date);
  INSERT INTO t2 (a,b,c) values(true, '2021-09-07 21:38:35', '2021-09-07'), (false, 1631050715, 18877);
  SELECT * FROM t2;
  
  DROP TABLE t1;
  DROP TABLE t2;
  DROP DATABASE db1;
  