`

将sybase的sa口令置为空

阅读更多
命令行下:
D:\Backup\桌面>isql -Usa -P111111 -Sserver-name
 
1>sp_configure "upgrade version" 
2>go 

执行结果:
Parameter Name                 Default     Memory Used Config Value
Run Value   Unit                 Type      
------------------------------ ----------- ----------- ------------
----------- -------------------- ----------
upgrade version                      12500           0       12500
       12500 id                   dynamic   

(1 row affected)
(return status = 0)
可以看出版本号为12500 (sybase 12.5.4)
1>sp_configure "upgrade version",999 
2>go 

执行后结果:
Parameter Name                 Default     Memory Used Config Value
Run Value   Unit                 Type      
------------------------------ ----------- ----------- ------------
----------- -------------------- ----------
upgrade version                      12500           0         999
         999 id                   dynamic   

(1 row affected)
Configuration option changed. The SQL Server need not be rebooted since the
option is dynamic.
Changing the value of 'upgrade version' to '999' reduces the amount of memory
ASE uses by 7614 K.
(return status = 0)
这时版本号更改为999
1>sp_password '111111',NULL,sa
2>go 

执行后结果:
assword correctly set.
(return status = 0)
这时将口令111111置为空
1>sp_configure "upgrade version",12500 
2>go 

这时版本号999更改为了原来的版本号12500
再去登陆测试一下:
D:\Backup\桌面>isql -Usa -P -Sserver-name
1>
登陆成功了!
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