sql serverÑ¡ÔñÁË»ìºÏģʽÎÊÌâ
sql serverÑ¡ÔñÁË»ìºÏģʽÎÊÌâ
ÒòΪҪѡÔñ»ìºÏģʽ²ÅÄÜʹÓÃsaÓû§µÇ¼µÄÎÊÌâ
È»ºóÆóÒµ¹ÜÀíÆ÷ÀïÃæ¾¹È»Ñ¡ÁËÒÔºóûÓÐЧ¹û ÓÀÔ¶¶¼Êǽöwindowsģʽ
ÎÞÓï ²»¶ÏÖØÆômssql ÓÖÑ¡Ôñ »ìºÏģʽ ´óÔ¼¼¸·ÖÖÓºó¾¹È»¿ÉÒÔÑ¡ÔñÁË
zhenTMD µÄÎÞÄΣ¡
Ïà¹ØÎĵµ£º
ÔÚsqlÓï¾äÖÐÌí¼Ó±äÁ¿¡£
declare @local_variable data_type
ÉùÃ÷ʱÐèÒªÖ¸¶¨±äÁ¿µÄÀàÐÍ£¬
¿ÉÒÔʹÓÃsetºÍselect¶Ô±äÁ¿½øÐи³Öµ£¬
ÔÚsqlÓï¾äÖоͿÉÒÔʹÓÃ@local_variableÀ´µ÷ÓñäÁ¿
ÉùÃ÷ÖпÉÒÔÌṩֵ£¬·ñÔòÉùÃ÷Ö®ºóËùÓбäÁ¿½«³õʼ»¯ÎªNULL¡£
ÀýÈ磺declare @id int
&nb ......
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 ......
SQL Server ¾Ñé £¨×ªÔØ£©
http://www.cnblogs.com/treeyh/archive/2007/08/06/844763.html
Èç¹ûÄãÕýÔÚ¸ºÔðÒ»¸ö»ùÓÚSQL ServerµÄÏîÄ¿£¬»òÕßÄã¸Õ¸Õ½Ó´¥SQL Server£¬Äã¶¼ÓпÉÄÜÒªÃæÁÙһЩÊý¾Ý¿âÐÔÄܵÄÎÊÌ⣬ÕâÆªÎÄÕ»áΪÄãÌṩһЩÓÐÓõÄÖ¸µ¼£¨ÆäÖдó¶àÊýÒ²¿ÉÒÔÓÃÓÚÆäËüµÄDBMS£©¡£
ÔÚÕâÀÎÒ²»´òËã½éÉ ......
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 ......
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 ......