sqlserver查询空口令用户需要执行的sql语句为()
A. Select name.Password from syslogins where password is null order by name
B. Select name.Password from syslogins where password is none order by name,Password
C. Select name.Password from syslogins where password=null order by name,Password
D. Select name.Password from syslogins where password=none order by name
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该试题由用户402****60提供
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