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

Sql Server Éú³ÉÊý¾Ý×Öµä

use Dbname  
go  
select   
    [±íÃû]=c.Name,  
    [±í˵Ã÷]=isnull(f.[value],''),  
    [ÁÐÃû]=a.Name,  
    [ÁÐÐò號]=a.Column_id,  
    [±êʶ]=case when is_identity=1 then '√' else '' end,  
    [Ö÷鍵]=case when exists(select 1 from sys.objects x join sys.indexes y on x.Type=N'PK' and x.Name=y.Name   
                        join sysindexkeys z on z.ID=a.Object_id and z.indid=y.index_id and z.Colid=a.Column_id)  
                    then '√' else '' end,  
    [ÀàÐÍ]=b.Name,  
    [×Ö½ÚÊý]=case when a.[max_length]=-1 and b.Name!='xml' then 'max/2G'   
            when b.Name='xml' then '2^31-1×Ö節/2G' 
            else rtrim(a.[max_length]) end,  
    [³¤¶È]=case when ColumnProperty(a.object_id,a.Name,'Precision')=-1 then '2^31-1' 
                else rtrim(ColumnProperty(a.object_id,a.Name,'Precision')) end,  
    [СÊý]=isnull(ColumnProperty(a.object_id,a.Name,'Scale'),0),  
    [ÊÇ·ñΪ¿Õ]=case when a.is_nullable=1 then '√' else '' end,  
    [ÁÐ˵Ã÷]=isnull(e.[value],''),  
    [ĬÈÏÖµ]=isnull(d.text,'')      
from   
    sys.columns a &


Ïà¹ØÎĵµ£º

SQL ServerÀïµÄ ISNULL Óë Oracle ÖÐµÄ NULLIF

SQL ServerÀïµÄ ISNULL Óë Oracle ÖÐµÄ NULLIF²»Í¬:
  SQL Server ÖÐÓÐÁ½¸ö²ÎÊý£¬Óï·¨£º
    ISNULL(check_expression, replacement_value)
    check_expression Óë replacement_value Êý¾ÝÀàÐͱØÐëÒ»ÖÂ
   
Èç¹û check_expression Ϊ NULL£¬Ôò·µ»Ø replacement_v ......

SQL Server 2005 ÓÃSQL ServerµÄsaÎÞ·¨µÇ¼

ʹÓÃSQL ServerÉí·ÝÑéÖ¤µÇ¼ʱ±¨´í£º
ÎÞ·¨Á¬½Óµ½.\SQLEXPRESS.
Additional information:
Óû§'sa'µÇ¼ʧ°Ü¡£¸ÃÓû§Óë¿ÉÐÅSQL Server Á¬½ÓÎÞ¹ØÁª¡£(microsoft SQL Server,Error:18452£©)
------------------
ÏÂÃæÊÇÓ³Éäʱ±¨µÄ´í£º
´´½¨¶ÔÓÚÓû§“sa”ʧ°Ü¡££¨microsoft.sqlServer.express.smo£©
Additional ......

SQL Server´æ´¢¹ý³Ì±àдºÍÓÅ»¯´ëÊ©

Ò»¡¢Êʺ϶ÁÕß¶ÔÏó£ºÊý¾Ý¿â¿ª·¢³ÌÐòÔ±£¬Êý¾Ý¿âµÄÊý¾ÝÁ¿ºÜ¶à£¬Éæ¼°µ½¶ÔSP£¨´æ´¢¹ý³Ì£©µÄÓÅ»¯µÄÏîÄ¿¿ª·¢ÈËÔ±£¬¶ÔÊý¾Ý¿âÓÐŨºñÐËȤµÄÈË¡£ ¡¡
¶þ¡¢½éÉÜ£ºÔÚÊý¾Ý¿âµÄ¿ª·¢¹ý³ÌÖУ¬¾­³£»áÓöµ½¸´ÔÓµÄÒµÎñÂß¼­ºÍ¶ÔÊý¾Ý¿âµÄ²Ù×÷£¬Õâ¸öʱºò¾Í»áÓÃSPÀ´·â×°Êý¾Ý¿â²Ù×÷¡£Èç¹ûÏîÄ¿µÄSP½Ï¶à£¬ÊéдÓÖûÓÐÒ»¶¨µÄ¹æ·¶£¬½«»áÓ°ÏìÒÔºóµÄϵͳά»¤ ......

SQL Server´æ´¢¹ý³Ì±àдºÍÓÅ»¯´ëÊ©

Ò»¡¢Êʺ϶ÁÕß¶ÔÏó£ºÊý¾Ý¿â¿ª·¢³ÌÐòÔ±£¬Êý¾Ý¿âµÄÊý¾ÝÁ¿ºÜ¶à£¬Éæ¼°µ½¶ÔSP£¨´æ´¢¹ý³Ì£©µÄÓÅ»¯µÄÏîÄ¿¿ª·¢ÈËÔ±£¬¶ÔÊý¾Ý¿âÓÐŨºñÐËȤµÄÈË¡£ ¡¡
¶þ¡¢½éÉÜ£ºÔÚÊý¾Ý¿âµÄ¿ª·¢¹ý³ÌÖУ¬¾­³£»áÓöµ½¸´ÔÓµÄÒµÎñÂß¼­ºÍ¶ÔÊý¾Ý¿âµÄ²Ù×÷£¬Õâ¸öʱºò¾Í»áÓÃSPÀ´·â×°Êý¾Ý¿â²Ù×÷¡£Èç¹ûÏîÄ¿µÄSP½Ï¶à£¬ÊéдÓÖûÓÐÒ»¶¨µÄ¹æ·¶£¬½«»áÓ°ÏìÒÔºóµÄϵͳά»¤ ......

SQLº¯Êý


SQLº¯Êý
ÔÚSQLÖУ¬º¯Êý¶ÔÊý¾Ý»òÊý¾Ý×éÖ´ÐвÙ×÷£¬È»ºó·µ»ØÐèÒªµÄÖµ¡£º¯Êý±í´ïʽ¿ÉÒÔ³öÏÖÔÚSELECTÁбíÖУ¬»òÕß
ÔÚÈκÎÔÊÐí³öÏÖµÄλÖÃÉÏ¡£SQL°üº¬ÁËÆßÖÖº¯Êý:
(1)¾ÛºÏº¯Êý:·µ»Ø»ã×ÜÖµ¡£
(2)תÐͺ¯Êý:½«Ò»ÖÖÊý¾ÝÀàÐÍת»»ÎªÁíÍâÒ»ÖÖ¡£
(3)ÈÕÆÚº¯Êý:´¦ÀíÈÕÆÚºÍʱ¼ä¡£
(4)Êýѧº¯Êý:Ö´ÐÐËãÊõÔËËã¡£
(5)×Ö·û´®º¯Êý:¶Ô×Ö·û´ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ