OBLoader导入时：
定界符用–column-delimiter
列分隔符–column-separator
行分隔符–line-separator
创建外表时FORMAT参数：
定界符用FIELD_OPTIONALLY_ENCLOSED_BY
列分隔符FIELD_DELIMITER
行分隔符LINE_DELIMITER
SELECT INTO OUTFILE导出数据时：
定界符用OPTIONALLY ENCLOSED BY
列分隔符FIELDS TERMINATED BY
行分隔符LINES TERMINATED BY
没有开发规范吗？定义名称时就不能稍微统一点吗？
崩溃啊~我真的是崩溃啊~