ÐÞ¸ÄSQLÊý¾Ý¿âµÄÃû³Æ
ÆäʵÔÚÐÞ¸ÄÊý¾Ý¿âÃû³ÆÖ®Ç°£¬Èç¹ûÓÐÓû§Á¬½Óµ½Êý¾Ý¿âµÄ»°»áÔì³ÉÊý¾Ý¿âÖØÃüÃûʧ°Ü£¬¿ÉÒÔÏÈÖ´ÐÐ
select spid
from master.dbo.sysprocesses
where dbid=db_id('OldDbName')
½á¹û¼¯ÖÐÏÔʾµÄÊǵ±Ç°Á¬½Óµ½Êý¾Ý¿âOldDbNameµÄÁ¬½Ó
±ÈÈç½á¹ûÊÇ
79
81
µ±È»£¬Êµ¼ÊÖµÓ¦¸Ã²»ÊÇÕâÁ½¸ö
È»ºóÖ´ÐÐ
kill 79
kill 81
¹Ø±ÕÒѽ¨Á¢µÄÁ¬½Ó£¬Ö®ºóÔÙÖ´ÐÐ
EXEC sp_dboption 'OldDbName', 'Single User', 'TRUE'
EXEC sp_renamedb 'OldDbName', 'NewDbName'
EXEC sp_dboption 'NewDbName', 'Single User', 'FALSE'
ÉÏÊöÓï¾ä×îºÃ¶¼ÔÚmasterÊý¾Ý¿âÖÐÖ´ÐС£
Ïà¹ØÎĵµ£º
·Ï»°ÉÙ˵,(ÒѾÓоä·Ï»°ÁË.)
¿´±í
Óï¾ä: SELECT * from C
//---------------------------------------
Cno Cname Teacher
---- ---------- --------
1 ÓïÎÄ Æî¾²
2 &n ......
ÊÔÁËÒ»°ÑPowerShell·ÃÎÊÊý¾Ý¿â£¬¸úÓÃC#д¼¸ºõûÈκÎÇø±ð~
ΪÁ˼òµ¥Æð¼û£¬´úÂëÓеã³ó£¬²»ÓÃÌ«É
$ConnString = "server=_SERVER_;database=_DATABASE_;user id=_UID_;password=_PWD_";
$db = New-Object System.Data.SqlClient.SqlConnection($ConnString);
$db.Open();
$Sql = "select top 10 * from sys.objects wh ......
ÊÓͼµÄ´´½¨¼°Ê¹ÓÃ(sql server 2005)
´´½¨Ò»¸öÐéÄâ±í£¬¸Ã±íÒÔÒ»ÖÖ±¸Ó÷½Ê½Ìṩһ¸ö»ò¶à¸ö±íÖеÄÊý¾Ý¡£CREATE VIEW ±ØÐëÊDzéѯÅú´¦ÀíÖеĵÚÒ»ÌõÓï¾ä¡£
Transact-SQL Óï·¨Ô¼¶¨
Óï·¨
CREATE VIEW [ schema_name . ] view_name [ (column [ ,...n ] ) ]
[ WITH <view_attribute> [ ,...n ] ]
AS s ......
UNION ÔËËã·û½«¶à¸ö SELECT Óï¾äµÄ½á¹û×éºÏ³ÉÒ»¸ö½á¹û¼¯¡£ £¨£±£©Ê¹Óà UNION ÐëÂú×ãÒÔÏÂÌõ¼þ£º £Á£ºËùÓвéѯÖбØÐë¾ßÓÐÏàͬµÄ½á¹¹£¨¼´²éѯÖеĵÄÁÐÊýºÍÁеÄ˳Ðò±ØÐëÏàͬ£©¡£ £Â£º¶ÔÓ¦ÁеÄÊý¾ÝÀàÐÍ¿ÉÒÔ²»Í¬µ«ÊDZØÐë¼æÈÝ£¨ËùνµÄ¼æÈÝÊÇÖ¸Á½ÖÖÀàÐÍÖ®¼ä¿ÉÒÔ½øÐÐÒþʽת»»£¬²»ÄܽøÐÐÒþʽת»»Ôò±¨´í£©¡£Ò²¿ÉÒÔÓÃÏÔʽת»»ÎªÏàͬµ ......
SQL code
¶¯Ì¬sqlÓï¾ä»ù±¾Óï·¨
1 :ÆÕͨSQLÓï¾ä¿ÉÒÔÓÃExecÖ´ÐÐ
eg: Select * from tableName
Exec('select * from tableName')
Exec sp_executesql N'select * from tableName' -- Çë×¢Òâ×Ö·û´®Ç°Ò»¶¨Òª¼ÓN
2:×Ö¶ÎÃû£¬±íÃû£¬Êý¾Ý¿âÃûÖ®Àà×÷Ϊ±äÁ¿Ê±£¬±ØÐëÓö¯Ì¬SQL
eg:
declare @ ......