3
begin
4
select
sysdate
into
pro_date
from
dual;
5
dbms_output.put_line(to_char(pro_date,
'
yyyy-mm-dd
'
));
6
end
;
2014
-
12
-
18
PL
/
SQL
procedure
successfully completed
Executed
in
0.016
seconds
SQL
>
declare
2
pro_date date;
3
begin
4
select
sysdate
into
pro_date
from
dual;
5
dbms_output.put_line(pro_date);
6
end
;
18
-
12月
-
14
PL
/
SQL
procedure
successfully completed
Executed
in
0
seconds
处理方法2：改变会话的NLS_DATE_FORMAT
SQL> alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';
Session altered
Executed in 0.015 seconds
SQL> declare
2 pro_date date;
3 begin
4 select sysdate into pro_date from dual;
5 dbms_output.put_line(pro_date);
6 end;
2014-12-18 11:18:15
PL/SQL procedure successfully completed
Executed in 0 seconds
SQL> alter session set nls_date_format='yyyy-mm-dd';
Session altered
Executed in 0 seconds
SQL> declare
2 pro_date date;
3 begin
4 select sysdate into pro_date from dual;
5 dbms_output.put_line(pro_date);
6 end;
2014-12-18
PL/SQL procedure successfully completed
Executed in 0 seconds
总结：
在Oracle存储过程想要获取YYYY-MM-DD的时间格式，可以转换成字符串处理，可以临时指定会话的NLS_DATE_FORMAT变量，还可以整体修改客户端的环境变量。
