mysql 查询表字段说明

select
table_schema as \'库名\',table_name as \'表名\',column_name as \'字段名\',column_type as \'字段类型\',column_comment as \'字段说明\' ,
IS_NULLABLE \'是否可为空\' from information_schema.columns
where table_schema = \'cloudscape.hyc\'
and table_name = \'smokevehicle\' ; #你要查的表