oracle sql ʱ¼ä¼ä¸ô¼ÆËã
¼ÆËã¼ä¸ôʱ¼ä£º
select f_date,f_cstime,f_cetime, (((SYSDATE- TO_DATE(f_date||f_cstime,'YYYYMMDDHH24MISS')) * 86400000)-((SYSDATE- TO_DATE(f_date||f_cetime,'YYYYMMDDHH24MISS')) * 86400000))/1000 CURRENT_MILLI from ycsq_t_hauthlog where f_cstime<>'999999'
½«×Ö·û´®×ª»»³ÉÈÕÆÚÀà:SYSDATE- TO_DATE(f_date||f_cstime,'YYYYMMDDHH24MISS'),
SYSDATE- TO_DATE(f_date||f_cstime,'YYYYMMDDHH24MISS')*86400000 ת»»³ÉºÁÃë
Ïà¹ØÎĵµ£º
create function dbo.F_Get_No
(
@No varchar(100)
)
RETURNS bigint
AS
BEGIN
WHILE PATINDEX('%[^0-9]%',@No)>0
BEGIN
SET @No=STUFF(@No,PATINDEX('%[^0-9]%',@No),1,'') --ɾµôÒ»¸ö·ÇÊý×ÖµÄ×Ö·û£¬Ñ»·½áÊø£¬Ê£ÓàµÄΪÊý×Ö²¿·Ö
END
RETURN CONVERT(bigint,@No ......
»ñÈ¡SQL ServerµÄµ±Ç°Á¬½ÓÊý
[ת]http://www.cnblogs.com/confach/archive/2006/05/31/414156.html
Ê×ÏÈÉùÃ÷:Õâ¸öÎÊÌâÎÒûÓнâ¾ö
µ±ÍøÓÑÎʵ½ÎÒÕâ¸öÎÊÌâʱ,ÎÒÒ²»¹ÒÔΪºÜ¼òµ¥,ÒÔΪSQL ServerÓ¦¸ÃÌṩÁ˶ÔÓ¦µÄϵͳ±äÁ¿Ê²Ã´µÄ.µ«Êǵ½Ä¿Ç°ÎªÖ¹,ÎÒ»¹Ã»Óеõ½Ò»¸ö±È½ÏºÃµÄ½â¾ö·½°¸.¿ÉÄܼܺòµ¥,,Ö»²»¹ýÎÒ²»ÖªµÀ°ÕÁË.Ï£ÍûÈç´Ë..
......
ÈçÒªÔÚÒ»¸öhwsp±íÖÐÌî¼Ó×ֶΣºylxs
alter table hwsp add column ylxs
ALTER TABLE ±í {ADD ADD{COLUMN ×Ö¶ÎÀàÐÍ [ (×Ö³¤)] [NOT NULL] [CONSTRAINT Ë÷Òý ] |
ALTER COLUMN ×Ö¶ÎÀàÐÍ [(×Ö³¤)] |
CONSTRAINT ¶àÖØ×Ö¶ÎË÷Òý } |
&nbs ......
----start
ÔÚSQLÓï¾äµÄ WHERE ×Ó¾äÖÐÓ¦¸Ã¾¡Á¿±ÜÃâÔÚ×Ö¶ÎÉÏʹÓú¯Êý£¬ÒòΪÕâÑù×ö»áʹ¸Ã×Ö¶ÎÉϵÄË÷ÒýʧЧ£¬Ó°ÏìSQLÓï¾äµÄÐÔÄÜ¡£¼´Ê¹¸Ã×Ö¶ÎÉÏûÓÐË÷Òý£¬Ò²Ó¦¸Ã±ÜÃâÔÚ×Ö¶ÎÉÏʹÓú¯Êý¡£¿¼ÂÇÏÂÃæµÄÇé¿ö£º
CREATE TABLE USER
(
NAME VARCHAR(20) NOT NULL,---ÐÕÃû
REGISTERDATE TIMESTAMP---×¢² ......
sql ºÜ¾Ã²»Óã¬Í»È»¼äÒªÇó×ö±¨±í¡£ËùÒÔÓÖ¿ÉÒÔ²¹Ò»²¹sql֪ʶÁË¡£µ«¾³£»áÓöµ½Ò»Ð©ÈõÖÇÎÊÌâ.
дÁËÒ»Ìõsql£ºselect to_date('2009-09-24 12:20:0') Äܽ«¸Ä×Ö·û´®×ª»»ÎªÈÕÆÚ
µ«ÁíÍâÒ»Ìõsqlȴת»»²»ÁË...¸Ð¾õºÜÆæ¹Ö.ÓÚÊǺõ¡£ÔÙ×Ðϸ¿´Ò»±é ·¢ÏÖ
¸øÒ»¸öÈÕÆÚ×Ö¶ÎÉèÖñðÃûʱÉèÖóÉÁËsib.fbizDate as dateÎÒ×Ô¼º¶¼ÎÞÓïÁË¡£Ôõô»áÉè ......