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Oracle取查询结果数据的第一条记录SQL:
select * from (select * from <table> order by <key>) where rownum=1; select * from (select * from <table> order by <key> desc) where rownum=1;
Oracle取查询结果数据的第一条记录SQL
原文地址:http://www.cnblogs.com/xusweeter/p/5837423.html