MS SQL 2000/2005 Ð޸ıíËùÓÐÕß´æ´¢¹ý³Ì
Create PROCEDURE [dbo].[ChangeObjectOwner]
@OldOwner as NVARCHAR(128),
@NewOwner as NVARCHAR(128)
AS
DECLARE @Name as NVARCHAR(128)
DECLARE @Owner as NVARCHAR(128)
DECLARE @OwnerName as NVARCHAR(128)
DECLARE curObject CURSOR FOR
select 'Name' = name,
'Owner' = user_name(uid)
from sysobjects
where user_name(uid)=@OldOwner
order by name
OPEN curObject
FETCH NEXT from curObject INTO @Name, @Owner
WHILE(@@FETCH_STATUS=0)
BEGIN
if @Owner=@OldOwner
begin
set @OwnerName = @OldOwner +'.' + rtrim(@Name)
exec sp_changeobjectowner @OwnerName, @NewOwner
end
FETCH NEXT from curObject INTO @Name, @Owner
END
close curObject
deallocate curObject
------------------------
˵Ã÷£ºÒÔÉÏ´úÂëÖ»ÐèÒªÔÚ´æ´¢¹ý³ÌÖÐн¨Ö´Ðм´¿É£¬µ«ÊǵÚÒ»´ÎÖ´ÐлسöÏÖ¾¯¸æºÍ´íÎó˵Ã÷£¬
Èç¹ûÄãµÄasp.net³ÌÐòÖ´ÐгöÏÖÒÔÏÂÀàËÆ´íÎó£¬ÄÇ˵Ã÷ÄãµÄÏÖÓеÄÊÔͼ»ò´æ´¢¹ý³ÌÖеıí¶ÔÏóûÓиĹýÀ´£¬ÐèÒªÐÞ¸ÄÊÓͼ»òÕß´æ´¢¹ý³Ì£»
¶ÔÏóÃû 'wzuhll.HomeWork_List' ÎÞЧ¡£
ÓÉÓڰ󶨴íÎó£¬ÎÞ·¨Ê¹ÓÃÊÓͼ»òº¯Êý 'VIEW_hw_studentlist'¡£
Ïà¹ØÎĵµ£º
ÎÊÌâÃèÊö£º
±¾ÌâÓõ½ÏÂÃæÈý¸ö¹ØÏµ±í£º
CARD ½èÊ鿨¡£ CNO ¿¨ºÅ£¬NAME ÐÕÃû£¬CLASS °à¼¶
BOOKS ͼÊé¡£ BNO ÊéºÅ£¬BNAME ÊéÃû,AUTHOR ×÷Õߣ¬PRICE µ¥¼Û£¬QUANTITY ¿â´æ²áÊý
BORROW ½èÊé¼Ç¼¡£ CNO ½èÊ鿨ºÅ£¬BNO ÊéºÅ ......
JOINÓÅ»¯
MySQLÖÐjoinµÄʵÏÖ²ÉÓõÄÊÇNested Loop JoinËã·¨¡£Í¨¹ýÇý¶¯±íµÄ½á¹û¼¯×÷Ϊѻ·»ù´¡Êý¾Ý£¬È»ºó½«¸Ã½á¹û¼¯ÖеÄÊý¾Ý×÷Ϊ¹ýÂË
Ìõ¼þÒ»ÌõÌõµÄµ½ÏÂÒ»¸ö±íÖвéѯÊý¾Ý£¬×îºóºÏ²¢½á¹û£¬Èç¹û´æÔÚºóÐø±í£¬¹ý³ÌÒ²Èç´Ë¡£
¾¡Á¿¼õÉÙjoinÓï¾äÖÐnested loopÑ»·µÄ´ÎÊý¡£×îÓÐЧµÄ·½·¨ÊÇÈÃÇý¶¯±íµÄ½á¹û¼¯¾¡¿ÉÄܵÄС
ÓÅÏÈÓÅ»¯nested ......
½«Ä³ÖÖÊý¾ÝÀàÐ͵ıí´ïʽÏÔʽת»»ÎªÁíÒ»ÖÖÊý¾ÝÀàÐÍ¡£CAST ºÍ CONVERT ÌṩÏàËÆµÄ¹¦ÄÜ¡£
Óï·¨
ʹÓà CAST£º
CAST ( expression AS data_type )
ʹÓà CONVERT£º
CONVERT (data_type[(length)], expression [, style])
²ÎÊý
expression
ÊÇÈκÎÓÐЧµÄ Microsoft® SQL Server™ ±í´ïʽ¡£Óйظü¶àÐÅÏ¢£¬Çë² ......
¡¡¡¡µ±Ö´ÐÐÒ»ÌõDMLÓï¾äºó£¬DMLÓï¾äµÄ½á¹û±£´æÔÚËĸöÓαêÊôÐÔÖУ¬ÕâЩÊôÐÔÓÃÓÚ¿ØÖƳÌÐòÁ÷³Ì»òÕßÁ˽â³ÌÐòµÄ״̬¡£µ±ÔËÐÐDMLÓï¾äʱ£¬PL/SQL´ò¿ªÒ»¸öÄÚ½¨Óα겢´¦Àí½á¹û£¬ÓαêÊÇά»¤²éѯ½á¹ûµÄÄÚ´æÖеÄÒ»¸öÇøÓò£¬ÓαêÔÚÔËÐÐDMLÓï¾äʱ´ò¿ª£¬Íê³Éºó¹Ø±Õ¡£ÒþʽÓαêֻʹÓÃSQL%FOUND,SQL%NOTFOUND,SQL%ROWCOUNTÈý¸öÊôÐÔ.SQL%FOUND,SQ ......
ÎÊÌâÃèÊö£ºÓÐÒÔÏÂ2ÕÅ±í£¬
±íA
0_id 0_name 0_Salary
Y2007001 ´ï¸ç &nbs ......