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Ò»¸ö±íÓÐ2¸ö×Ö¶Î Ò»¸öÊÇ ÐÕÃû ÁíÒ»¸öÊÇ \
³É¼¨
ÎÒ 80
Äã 79
Ëû 79
Ëü 20
×îºó²éѯ³ö 2ÁÐ Ò»¸öÊÇÐÕÃû ÁíÒ»¸öÊÇ
ÅÅÃû
ÎÒ 1
Äã 2
Ëû 2
Ëü 4.¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£
select ÐÕÃû,rank() over(order by ³É¼¨desc) ÅÅÃû from table;
SQL code:
create table trank (name varchar2(30), score number);
insert into trank values ('Me', 80);
insert into trank values ('You', 79);
insert into trank values ('He', 79);
insert into trank values ('It', 20);
select name, rank() over (order by score desc) as "rank"
from trank;
NAME rank
--------------------------------------------- ----------
Me 1
You 2
He 2
It 4
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SQL> create table test
2 (
3 ÐÕÃû varchar2(8),
4 ³É¼¨ number
5 );
±íÒÑ´´½¨¡£
SQL> insert into test
2 select 'ÎÒ',80 from dual
3 union
4 select 'Äã',
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private static final String URL = "jdbc:oracle:thin:@localhost:1521:orcl";
private static final String USERNAME = "sys";
private static final String PASSWORD = "s ......
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ÎÒÊÇÔÚtoadÖÐÊäÈë϶Îsql
declare
TYPE test_rec IS record(
code varchar(10),
name varchar(30)
);
v_book test_rec;
......