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SET a.Name = b.Name
from Tab1 a,Tab2 b
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Update Tab1 a,Tab2 b
SET a.Name = b.Name
Where a.ID = b.ID;
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sqlserver ÖÐÔòΪ£ºselect a,sum(num) as kc_num,sum(num)*num as all_kc_num ¼´²»¿ÉÒÔ°ÑASºóµÄ×ֶε±×÷Ò»¸öÊý¾Ý¿â×ֶβÎÓë¼ÆËã¡£
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mysql access deined

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# mysql -uroot -p
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
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# mysqladmin -uroot -p password 'newpassword'
Enter password:
m ......

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character-set-server = GB2312
collation-server = latin1_general_ci
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// BeginGroupCpp.cpp
// compile with: /EHsc
#import "msadox.dll" no_namespace
#include "iostream"
using namespace std;
inline void TESTHR(HRESULT x) {if FAILED(x) _com_issue_error(x);};
int main() {
   if (FAILED(::CoInitialize(NULL)) )
      return -1;
&n ......

½«accessµ¼ÈëSQL server

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