columns schemata tables views COLUMNS SCHEMATA TABLES VIEWS INFORMATION_SCHEMA INFORMATION_SCHEMA default \N \N \N \N information_schema information_schema default \N \N \N \N default default mv VIEW default default t FOREIGN TABLE default default v VIEW tmp LOCAL TEMPORARY default default mv SELECT * FROM system.one NONE NO YES NO NO NO default default v SELECT n, f FROM default.t NONE NO NO NO NO NO default default mv dummy 1 0 UInt8 \N \N 8 2 0 \N \N \N \N \N \N \N \N \N \N UInt8 default default t n 1 0 UInt64 \N \N 64 2 0 \N \N \N \N \N \N \N \N \N \N UInt64 default default t f 2 0 Float32 \N \N \N \N \N \N \N \N \N \N \N \N \N \N \N Float32 default default t s 3 0 String \N \N \N \N \N \N \N \N \N \N \N \N \N \N \N String default default t fs 4 0 FixedString(42) 42 42 \N \N \N \N \N \N \N \N \N \N \N \N \N FixedString(42) default default t d 5 0 Decimal(9, 6) \N \N 9 10 6 \N \N \N \N \N \N \N \N \N \N Decimal(9, 6) default default v n 1 1 Nullable(Int32) \N \N 32 2 0 \N \N \N \N \N \N \N \N \N \N Nullable(Int32) default default v f 2 0 Float64 \N \N \N \N \N \N \N \N \N \N \N \N \N \N \N Float64 tmp d 1 0 Date \N \N \N \N \N 0 \N \N \N \N \N \N \N \N \N Date tmp dt 2 0 DateTime \N \N \N \N \N 0 \N \N \N \N \N \N \N \N \N DateTime tmp dtms 3 0 DateTime64(3) \N \N \N \N \N 3 \N \N \N \N \N \N \N \N \N DateTime64(3)