Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÈçºÎ¶ÁдmssqlÖеÄNTextÀàÐ͵ÄÊý¾Ý°¡?

ÒªÈçºÎ¶ÁÐ´ÄØ?ûΪû²Ù×÷¹ý..
ÏÖÔÚÒª°ÑÕû¸öÍøÒ³µÄÄÚÈÝ´æ´¢µ½Ò»¸ö×Ö¶ÎÀï..
³ýÁËNTextÏë²»µ½Ê²Ã´ÀàÐÍÁË..
»òÕß´ó¼ÒÓÐûÓÐʲôºÃ°ì·¨?
¿ÉÒÔʹÓÃImageÀàÐÍ¡£
·½·¨²Î¿¼£º
var
  MS: TMemoryStream;
begin
  if not (ClientDataSet1.State in [dsInsert, dsEdit]) then
    ClientDataSet1.Insert;
  MS := TMemoryStream.Create();
  try
    Image1.Picture.Bitmap.SaveToStream(MS);
    ClientDataSet1Images.LoadfromStream(MS);
  finally
    MS.Free;
  end;
  ClientDataSet1.Post;


ntextÊÇunicodeµÄ´óÎı¾ÀàÐÍ

updatetext


Ïà¹ØÎÊ´ð£º

ÇómssqlºÍorcalÁ½ÌõÓï¾ä - Oracle / ¸ß¼¶¼¼Êõ

SQL code:

sql2005£¬sql2008
SELECT
±íÃû=CASE WHEN a.colorder = 1 THEN d.name ELSE '' END,
±í˵Ã÷=CASE WHEN a.colorder = 1 THEN isnull(f.value, '') ELSE '' END ,
×Ö¶ÎÐòºÅ=a.colorder ,
×Ö¶ÎÃ ......

ÇóÒ»¸ömssqlµÄsqlÓï¾ä - MS-SQL Server / »ù´¡Àà

ÅжϱíÖÐÊÇ·ñÓдóÓÚ10ÌõÒÔÉϵÄÊý¾Ý£¬
Èç¹û´æÔÚÔò°´×îºÃ¼ÈëµÄʱ¼ä£¬É¾³ýµô¶àÓàµÄÊý¾Ý¡£¡£
±£³ÖÊý¾Ý±íÖÐÖ»ÓÐ10Ìõ×îеÄÊý¾Ý¡£¡£
лл¡£
select ID,count(1) from TB group by ID having count(1)>10


SQL ......

msSql ÐÞ¸Äʱ¼ä×Ö¶Î - MS-SQL Server / »ù´¡Àà

±íA
SQL code:
autoID outDate type resultDate
1 2010-05-10 11£º12£º03 1 null
2 2010-05-10 15£º10£º03 0 n ......

MSSQL ÈçºÎÍêÕûµÄ¸´ÖÆÒ»±í - MS-SQL Server / »ù´¡Àà

ÈçÌâ,Ö»Òª±í½á¹¹.²»ÐèÒªÊý¾ÝµÄ.±í½á¹¹¸´Öƺܺø´ÖÆ.µ«ÊǸú±íÓйصĴ¥·¢Æ÷,Ë÷ÒýµÈ,»¹ÓÐͳ¼ÆÐÅÏ¢Õâ¸öÊý¾ÝÄܹ»Ò»Æð¸´ÖÆ×ßÂð.¾ÍÊÇÁ½ÕűíÊÇһģһÑùµÄ.
select * into b from a

ÒýÓÃ
select * into b from a
ûÓÃ,Õ ......

mssqlµÄ¶à±í¹ØÁªÎÊÌâ - MS-SQL Server / »ù´¡Àà

a±íuid¡¢fidºÍb±íÖеÄid¹ØÁª£¬
ÈçºÎ²éѯa.uidºÍa.fid¶ÔÓ¦b±íÖеÄÏàÓ¦×ֶΡ£
SQL code:
select a.uid,a.fid,b.* from a,b where a.uid=b.id and a.fid=b.id

ÄãÊÇ˵b.idÊÇÓÉa.uid ºÍa.fid×é³ÉµÄ£¿
ÒªÊÇµÄ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ