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 ×îÐÂÎÄÕ : sql

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SQL code:
select * from sys.database

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SQL code:
select * from sys.databases

SQL code:
select * from sysdatabase

SQL code:
use master
go
select * from sysdatabases

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Çó²»ÓÃrownumµÄ·ÖÒ³sqlÓï¾ä

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SQL code:
select * from (select S.*,rownum rn from S where rn<=10) where rn > 0
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C# code:
dataAdapter.Update(dataSet)
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SQL code:
--°Ñ10ºÍ20×÷Ϊ²ÎÊý´«Èë¾Í¿ÉÒÔÁË
SELECT *
from ......

ÇóÒ»ÌõSQLÓï¾ä

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id ÐÕÃû ÐÔ±ð id ÐÕÃû ÐÅÏ¢
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3 ÍõÎå ÄÐ 3 ÀîËÄ ÐÅÏ¢Èý
  4 ÕÅÈý ÐÅÏ¢ËÄ
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SQL匯總時間

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duration
00:00:01.0000000
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C# code:

//ºǫ́д¸ö·½·¨
public string Con2Str(int i)
{
return i==0?"ÊÇ":"·ñ";
}
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SQL code:
case wh ......

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