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select convert(varchar(30),login_time,120) from master ......

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  DUMP     TRANSACTION     ¿âÃû     WITH     NO_LOG          
   
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  BACKUP   LOG   Êý¾Ý¿âÃû   WITH   NO_LOG  
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Linq to sqlÔöɾ¸Ä²é

private void button2_Click(object sender, EventArgs e)//Ôö
{
try
{
Customers ct = new Customers();
ct.CustomerID = "test";
ct.CompanyName = "test";
NorthwindDataContext nc = new NorthwindDataContex ......

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and exists (select * from sysobjects) //ÅжÏÊÇ·ñÊÇMSSQL
and exists(select * from tableName) //ÅжÏij±íÊÇ·ñ´æÔÚ..tableNameΪ±íÃû
and 1=(select @@VERSION) //MSSQL°æ±¾
And 1=(select db_name()) //µ±Ç°Êý¾Ý¿âÃû
and 1=(select @@servername) //±¾µØ·þÎñÃû
and 1=(select IS_SRVROLEMEMBER('sysadmin')) //Å ......
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