DROP TABLE IF EXISTS test; CREATE TABLE test(a UInt8, b String EPHEMERAL) Engine=Memory(); SHOW CREATE TABLE test; DROP TABLE test; CREATE TABLE test(a UInt8, b EPHEMERAL String) Engine=Memory(); -- { serverError UNKNOWN_IDENTIFIER } CREATE TABLE test(a UInt8, b EPHEMERAL 'a' String) Engine=Memory(); -- { clientError SYNTAX_ERROR } CREATE TABLE test(a UInt8, b String EPHEMERAL test) Engine=Memory(); -- { serverError UNKNOWN_IDENTIFIER } CREATE TABLE test(a UInt8, b String EPHEMERAL 1+2) Engine=Memory(); SHOW CREATE TABLE test; DROP TABLE test;