DROP DATABASE IF EXISTS test_show_tables; CREATE DATABASE test_show_tables; CREATE TABLE test_show_tables.A (A UInt8) ENGINE = TinyLog; CREATE TABLE test_show_tables.B (A UInt8) ENGINE = TinyLog; SHOW TABLES from test_show_tables; SHOW TABLES in test_show_tables where name = 'A'; SELECT name, toUInt32(metadata_modification_time) > 0, engine_full, create_table_query FROM system.tables WHERE database = 'test_show_tables' ORDER BY name FORMAT TSVRaw; CREATE TEMPORARY TABLE test_temporary_table (id UInt64); SELECT name FROM system.tables WHERE is_temporary = 1 AND name = 'test_temporary_table'; CREATE TABLE test_show_tables.test_log(id UInt64) ENGINE = Log; CREATE MATERIALIZED VIEW test_show_tables.test_materialized ENGINE = Log AS SELECT * FROM test_show_tables.test_log; SELECT dependencies_database, dependencies_table FROM system.tables WHERE name = 'test_log'; DROP DATABASE test_show_tables; -- Check that create_table_query works for system tables and unusual Databases DROP DATABASE IF EXISTS test_DatabaseMemory; CREATE DATABASE test_DatabaseMemory ENGINE = Memory; CREATE TABLE test_DatabaseMemory.A (A UInt8) ENGINE = Null; SELECT sum(ignore(*, metadata_modification_time, engine_full, create_table_query)) FROM system.tables; DROP DATABASE test_DatabaseMemory;