SQL-ORDER BY 多字段排序(升序、降序)
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2023-11-30 10:24:52
order by _column1, _column2; /* _column1升序，_column2升序 */
order by _column1, _c...
order by _column1, _column2; /* _column1升序，_column2升序 */ order by _column1, _column2 desc; /* _column1升序，_column2降序 */ order by _column1 desc, _column2 ; /* _column1降序，_column2升序 */ order by _column1 desc, _column2 desc; /* _column1降序，_column2降序 */