oracle中如何实现给当前时间加一分钟？
select to_char(sysdate + 1 / (24 * 60),'yyyy/mm/dd hh24:mi:ss') from dual
SQL> ;
1 select to_char(sysdate, 'hh:mi:ss')
2 , to_char(sysdate + 1/60/24, 'hh:mi:ss')
3 , to_char(sysdate + 1/60/60/24, 'hh:mi:ss')
4* from dual
SQL> /
TO_CHAR(SYSDATE,'HH:MI:SS')
---------------------------------------------------------------------------
TO_CHAR(SYSDATE+1/60/24,'HH:MI:SS')
---------------------------------------------------------------------------
TO_CHAR(SYSDATE+1/60/60/24,'HH:MI:SS')
---------------------------------------------------------------------------
03:18:15
03:19:15
03:18:16
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第一个类：
/**
*
* 存放oracle数据库的链接信息。
*
* @author ZhongHuiQiang
*
*/
public interface IOracleDAOInfor {
String DB_SERVER_HOSET = "localhost";
String DB_SERVER_NAME = "ppoo";
String DB_USER_NAME = "system";
String DB ......
SELECT max(SYS_CONNECT_BY_PATH(COLUMN_NAME, ','))
from (SELECT A.COLUMN_NAME, ROWNUM AS ROWNO
from USER_TAB_COLUMNS A
WHERE TABLE_NAME = 'A_USER'
......
查询时可以指定使用索引的写法。
SELECT /*+ index(TB_ALIAS IX_G_COST3) */
TB_ALIAS.*
from g_Cost TB_ALIAS
WHERE Item_Two = 0
AND Flight_Date >= To_Date('20061201', 'YYYYMMDD')
AND Flight_D ......
declare
STR VARCHAR2(400);
begin
-- 重建ORACLE索引
FOR TMP_IDX IN (SELECT TABLESPACE_NAME, OWNER, TABLE_NAME, INDEX_NAME
&nb ......
