Oracle 查询出来的数据取第一条
select * from (select * from <table> order by <key>) where rownum=1; select * from (select * from <table> order by <key> desc) where rownum=1;
Oracle 查询出来的数据取第一条
select * from (select * from <table> order by <key>) where rownum=1; select * from (select * from <table> order by <key> desc) where rownum=1;