create table test_csv ( id int, name varchar(255), rank int ) Engine = CSV location = 'tests/data/sample.csv'; create table test_parquet ( id int, bool_col boolean, tinyint_col int, smallint_col int, int_col int, bigint_col bigint, float_col float, double_col double, date_string_col varchar(255), string_col varchar(255), timestamp_col Timestamp ) Engine = Parquet location = 'tests/data/alltypes_plain.parquet'; select * from system.tables;