SQL ORDER BY 關(guān)鍵字
order by 關(guān)鍵字用于對(duì)結(jié)果集按照一個(gè)列或者多個(gè)列進(jìn)行排序。
order by 關(guān)鍵字默認(rèn)按照升序?qū)τ涗涍M(jìn)行排序。如果需要按照降序?qū)τ涗涍M(jìn)行排序，您可以使用 desc 關(guān)鍵字。
1. order by 語法
select column_name,column_name
from table_name
order by column_name,column_name asc|desc;
from table_name
order by column_name,column_name asc|desc;
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