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

SQL ServerÖÐDateTime¸ñʽת»»

SQLʹÓÃconvertÀ´È¡µÃdatetimeÈÕÆÚÊý¾Ý£¬ÒÔÏÂʵÀý°üº¬¸÷ÖÖÈÕÆÚ¸ñʽµÄת»»,
¿ÉÒÔͨ¹ý²éѯÓï¾ä¼°²éѯ½á¹ûÀ´ÏÔʾ²»Í¬µÄ¸ñʽ£¬Èç¹ûÊÇDate¸ñʽҲ¿ÉÒÔÓãº
Select CONVERT(varchar(100), GETDATE(), 0): 05 16 2006 10:57AM
Select CONVERT(varchar(100), GETDATE(), 1): 05/16/06
Select CONVERT(varchar(100), GETDATE(), 2): 06.05.16
Select CONVERT(varchar(100), GETDATE(), 3): 16/05/06
Select CONVERT(varchar(100), GETDATE(), 4): 16.05.06
Select CONVERT(varchar(100), GETDATE(), 5): 16-05-06
Select CONVERT(varchar(100), GETDATE(), 6): 16 05 06
Select CONVERT(varchar(100), GETDATE(), 7): 05 16, 06
Select CONVERT(varchar(100), GETDATE(), 8): 10:57:46
Select CONVERT(varchar(100), GETDATE(), 9): 05 16 2006 10:57:46:827AM
Select CONVERT(varchar(100), GETDATE(), 10): 05-16-06
Select CONVERT(varchar(100), GETDATE(), 11): 06/05/16
Select CONVERT(varchar(100), GETDATE(), 12): 060516
Select CONVERT(varchar(100), GETDATE(), 13): 16 05 2006 10:57:46:937
Select CONVERT(varchar(100), GETDATE(), 14): 10:57:46:967
Select CONVERT(varchar(100), GETDATE(), 20): 2006-05-16 10:57:47
Select CONVERT(varchar(100), GETDATE(), 21): 2006-05-16 10:57:47.157
Select CONVERT(varchar(100), GETDATE(), 22): 05/16/06 10:57:47 AM
Select CONVERT(varchar(100), GETDATE(), 23): 2006-05-16
Select CONVERT(varchar(100), GETDATE(), 24): 10:57:47
Select CONVERT(varchar(100), GETDATE(), 25): 2006-05-16 10:57:47.250
Select CONVERT(varchar(100), GETDATE(), 100): 05 16 2006 10:57AM
Select CONVERT(varchar(100), GETDATE(), 101): 05/16/2006
Select CONVERT(varchar(100), GETDATE(), 102): 2006.05.16
Select CONVERT(varchar(100), GETDATE(), 103): 16/05/2006
Select CONVERT(varchar(100), GETDATE(), 104): 16.05.2006
Select CONVERT(varchar(100), GETDATE(), 105): 16-05-2006
Select CONVERT(varchar(100), GETDATE(), 106): 16 05 2006
Select CONVERT(varchar(100), GETDATE(), 107): 05 16, 2006
Select CONVERT(varchar(100), GETDATE(), 108): 10:57:49
Select CONVERT(varchar(100), GETDATE(), 109): 05 16 2006 10:57:49:437AM
Select CONVE


Ïà¹ØÎĵµ£º

SQLÓïÑÔ»ù´¡ Êý¾Ý¶¨Òå

1¡¢¶¨Òå»ù±¾±í
SQLÓïÑÔʹÓö¯´ÊCREATE¶¨Òå»ù±¾±í£¬Æä¾ßÌåÓï·¨¸ñʽÈçÏ£º
CREATE TABLE <±íÃû>
(<ÁÐÃû><Êý¾ÝÀàÐÍ>[Áм¶ÍêÕûÐÔÔ¼ÊøÌõ¼þ]...[£¬<ÁÐÃû><Êý¾ÝÀàÐÍ>[Áм¶ÍêÕûÐÔÔ¼ÊøÌõ¼þ]][,<±í¼¶ÍêÕûÐÔÔ¼ÊøÌõ¼þ>])£»
ÀýÈ磺½¨Á¢Ò»¸öѧÉú±íStudent£¬ËüÓÉѧºÅSno£¬ÐÕÃûSname£¬ÐÔ±ðSsex£¬Äê ......

Rebuild indexes online with SQL Server 2005

Rebuild indexes online with SQL Server 2005
http://blogs.techrepublic.com.com/datacenter/?p=249
Online index rebuild
SQL Server 2005 introduces the ability to rebuild your indexes in an
online fashion so that other processes are able to access the table
while the rebuild is occurring. Because y ......

Tips on Optimizing SQL Server Clustered Indexes

http://www.sql-server-performance.com/tips/clustered_indexes_p1.aspx
As a rule of thumb, every table should have a clustered index. Generally, but not always, the clustered index should be on a column that monotonically increases--such as an identity column, or some other column where the value is ......

sqlÈÕÆÚº¯Êý

SQLServerʱ¼äÈÕÆÚº¯ÊýÏê½â,SQLServer,ʱ¼äÈÕÆÚ,
1.      µ±Ç°ÏµÍ³ÈÕÆÚ¡¢Ê±¼ä
        select getdate()
2. dateadd      ÔÚÏòÖ¸¶¨ÈÕÆÚ¼ÓÉÏÒ»¶Îʱ¼äµÄ»ù´¡ÉÏ£¬·µ»ØÐ嵀 datetime Öµ
       ÀýÈ ......

³£Óþ­µäSQLÓï¾ä¼¯ºÏ(ÊÕ¼¯)

ÏÂÁÐÓï¾ä²¿·ÖÊÇMssqlÓï¾ä£¬²»¿ÉÒÔÔÚaccessÖÐʹÓá£
SQL·ÖÀࣺ 
DDL—Êý¾Ý¶¨ÒåÓïÑÔ(Create£¬Alter£¬Drop£¬DECLARE) 
DML—Êý¾Ý²Ù×ÝÓïÑÔ(Select£¬Delete£¬Update£¬Insert) 
DCL—Êý¾Ý¿ØÖÆÓïÑÔ(GRANT£¬REVOKE£¬COMMIT£¬ROLLBACK)
Ê×ÏÈ,¼òÒª½éÉÜ»ù´¡Óï¾ä£º
1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
Create&nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ