SQLÁª±í¸üУ¬Áª±í²éѯ
ûÓÐÒýÓùØÏµµÄ±í
£±.¡¡Áª±í¸üÐÂ
update a set a.education = '±¾¿Æ' from NT_UserInfo a ,NT_User b where a.UserID=b.UserID and b.email = 'carlfan2008@163.com'
£².¡¡Áª±í²éѯ
select a.*,b.* from nt_user as a, nt_userinfo as b where a.userid = b.userid and Email = 'carlfan2008@163.com'
Ïà¹ØÎĵµ£º
SELECT DISTINCT A.CASEPROP AS PROP,'¾É´æ' AS AJLX,0 AS AJLXXH,A.CASE_PROP AS PROPNO
,M1=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASEPROP AND
(PERMITDAY <'2008.12.26 00:00:00' AND (SHUTDAY IS NULL OR
SHUTDAY<'1900-01-01 00:00:00' OR SHUTDAY>='2008.12.26 00:00:00') )) ......
procedure Tform1.Button5Click(Sender: TObject);
var
p:pointer;
FrfStr:string;
begin
inherited;
Screen.Cursor:=MYCURSORWAITHAND;
with cdsPrint do
begin
Active:=false;
//Õâ¸öSQLÓÃÓÚ½«remarkÖеļǼºÏ²¢µ½Ò»Æ ......
Êý¾Ý¿âÊÂÎñÊÇÆäËûÊÂÎñÄ£Ð͵Ļù´¡£¬µ±Ò»¸öÊÂÎñ´´½¨Ê±²»Í¬Êý¾Ý¿âϵͳ¶¼ÓÐ×Ô¼ºµÄ¹æ
Ôò¡£SQL Server ĬÈÏÔÚ×Ô¶¯Ìá½»µÄģʽϹ¤×÷£¬Ã¿¸öÓï¾äÖ´ÐÐÍêºó¶¼»áÁ¢¼´Ìá½»£»Óë´Ë¶ÔÕÕ
µÄÊÇ Oracle ÐèÒªÄã°üº¬Ò»¸öÌá½»Óï¾ä¡£µ«Êǵ±Ò»¸öÓï¾äͨ¹ý OLE DB Ö´ÐÐʱ£¬ËüÖ´ÐÐÍêºó
Ò»¸öÌá½»¶¯×÷»á±»¸½¼ÓÉÏÈ¥¡£ÀýÈ磺
DECLARE  ......
http://cheneyph.javaeye.com/blog/453492
ÓÃoracle sql¶ÔÊý×Ö½øÐвÙ×÷: È¡ÉÏÈ¡Õû¡¢ÏòÏÂÈ¡Õû¡¢±£ÁôNλСÊý¡¢ËÄÉáÎåÈë¡¢Êý×Ö¸ñʽ»¯
È¡Õû£¨ÏòÏÂÈ¡Õû£©£º
select floor(5.534) from dual;
select trunc(5.534) from dual;
ÉÏÃæÁ½ÖÖÓ÷¨¶¼¿ÉÒÔ¶ÔÊý×Ö5.534ÏòÏÂÈ¡Õû£¬½á¹ûΪ5.
Èç¹ûÒªÏòÉÏÈ¡Õû £¬µÃµ½½á¹ûÎ ......