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

Sql Server »ñÈ¡¡¢Ôö¼Ó¡¢Ð޸ġ¢É¾³ý ×Ö¶ÎÃèÊö

»ñÈ¡¡¢Ôö¼Ó¡¢Ð޸ġ¢É¾³ýsqlserver×Ö¶ÎÃèÊö
Select o.name AS tableName, c.name AS columnName, p.[value] AS Description  
from sysproperties p INNER JOIN  
      sysobjects o ON o.id = p.id INNER JOIN  
      syscolumns c ON p.id = c.id AND p.smallid = c.colid  
Where (p.name = 'MS_Description') AND (c.name = 'province') AND (o.name = 'ip_address')  
orDER BY o.name  
 
ѡȡ±íip_addressÖÐ ×Ö¶ÎprovinceµÄÃèÊö  
 
 
 
--´´½¨±í¼°ÃèÊöÐÅÏ¢  
 
create   table   ±í(a1   varchar(10),a2   char(2))  
 
--Ϊ±íÌí¼ÓÃèÊöÐÅÏ¢  
EXECUTE   sp_addextendedproperty   N'MS_Description',   'ÈËÔ±ÐÅÏ¢±í',   N'user',   N'dbo',   N'table',   N'±í',   NULL,   NULL  
 
--Ϊ×Ö¶Îa1Ìí¼ÓÃèÊöÐÅÏ¢  
EXECUTE   sp_addextendedproperty   N'MS_Description',   'ÐÕÃû',   N'user',   N'dbo',   N'table',   N'±í',   N'column',   N'a1' 
EXECUTE   sp_addextendedproperty   N'MS_Description',   '²âÊÔ',   N'user',   N'dbo',   N'table',   N'HR_Employees',   N'column',   N'test'
 
--Ϊ×Ö¶Îa2Ìí¼ÓÃèÊöÐÅÏ¢  
EXECUTE   sp_addextendedproperty   N'MS_Description',   'ÐÔ±ð',   N'user',   N'dbo',   N'table',   N'±í',   N'column',   N'a2' 
--¸üбíÖÐÁÐa1µÄÃèÊöÊôÐÔ£º  
EXEC   sp_updateextendedproperty   'MS_Description','×Ö¶Î1','user',dbo,'table','±í','column',a1  
 
--ɾ³ý±íÖÐÁÐa1µÄÃèÊöÊôÐÔ£º  
EXEC 


Ïà¹ØÎĵµ£º

SQL²éѯÓÅ»¯,×¢ÒâwhereÌõ¼þµÄ˳Ðò

×÷Õß:ÂÞ´ú¾ù ldj_work#126.com   ×ªÔØÇë±£³ÖÍêÕûÐÔ
1.²âÊÔ±í
    employee
    ¹ÍÔ±id     ²¿ÃÅid      н½ð
    emp_id    dept_id    salary
      ......

SQLÖд¦Àíʱ¼äÎÊÌâ°¸Àý

1. »ñÈ¡Êý¾Ý¿âÖе±Ç°Ô·ݵÄÏà¹ØÊý¾Ý
SELECT WorkerSortID, SUM(WorkerCount) AS WorkerMothCount
from WorkerRecord
WHERE (YEAR(WorkerTime) = YEAR({ fn NOW() })) AND (MONTH(WorkerTime)
      = MONTH({ fn NOW() })) AND (WorkerCount > 0) AND (WorkerID = 'wy')
GROUP BY Worker ......

SQL ServerÈÕÆÚ¸ñʽµÄת»»(ÊÕ²Ø)

SQL ServerÖÐÎİæµÄĬÈϵÄÈÕÆÚ×Ö¶Îdatetime¸ñʽÊÇyyyy-mm-dd Thh:mm:ss.mmm
ÀýÈç:
select getdate()
2004-09-12 11:06:08.177
Õâ¶ÔÓÚÔÚÒª²»Í¬Êý¾Ý¿â¼ä×ªÒÆÊý¾Ý»òÕßϰ¹ßoracleÈÕÆÚ¸ñʽYYYY-MM-DD HH24:MI:SSµÄÈ˶àÉÙÓÐЩ²»·½±ã.
ÎÒÕûÀíÁËÒ»ÏÂSQL ServerÀïÃæ¿ÉÄܾ­³£»áÓõ½µÄÈÕÆÚ¸ñʽת»»·½·¨:
¾ÙÀýÈçÏÂ:
select CONV ......

¹ØÓÚsqlÈÕÖ¾Îļþ

 Ò»¶Îʱ¼äÀ´£¬Ã¿ÌìµÄ¹¤×÷¶¼±È½ÏÔÓ£¬vb,asp,c#,sql£¬Ã¿Ï×÷¶¼Òª¸ã£¬ÊµÔÚÊÇÀÛ£¡¹¤×÷Ö®Ó࣬ÏëÏ빫˾ºÍ¹¤×÷µÄÇé¿ö£¬¿´À´ÊÇÓбØÒª»»¸ö»·¾³ÁË¡£²»¹ýÒ²ÒªÏȰÑĿǰµÄ¹¤×÷´¦ÀíÍê³É°¡¡£
      ×î½üÓÖÓöµ½Ò»¸öÎÊÌ⣺һ¼Ò¿Í»§Ê¹ÓÃÖеÄÊý¾Ý¿â£¬ÈÕÖ¾ÎļþÒì³£Ôö´ó£¬Æ½¾ùÿÌìÔö¼Ó´óÔ¼Ò»¸öG£¬¶øÊý¾ÝÎļþ±ä» ......

sql float ת varchar

SELECT CONVERT(varchar(100), CAST(@testFloat AS decimal(38,2)))
SELECT STR(@testFloat, 38, 2)
´ÓExcelÖе¼Èëµ½sql2000£¬ÓÐÒ»ÁГÁªÏµ·½Ê½”±ä³ÉÁËfloatÀàÐÍ£¬ÎÒÏëת»»³ÉnvarcharÀàÐÍ£¬ÓÃÏÂÃæµÄÓï¾ä
select convert(nvarchar(30),convert(int,ÁªÏµ·½Ê½)) from employee
go
//Êý¾ÝÒç³ö£¬²»ÐУ¡
select ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ