select * from table order by rnd(id)

<%
'-------------------------數(shù)據(jù)庫連接-----------------------
Set objConn = Server.CreateObject("ADODB.Connection")
objConn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" &_
"Data Source=" & Server.MapPath("data.mdb")
objConn.Open
'-------------------------數(shù)據(jù)庫連接-----------------------

'-------------------------檢索數(shù)據(jù)-----------------------
strSQL = "SELECT id,DataColumn FROM DataTable"
'Sql語句，檢索數(shù)據(jù)庫
Set objRS = Server.CreateObject("ADODB.Recordset")
'創(chuàng)建記錄集
objRS.Open strSQL, objConn, 1, 1
'執(zhí)行檢索
Count=objRS.RecordCount
'得到記錄總數(shù)
Item=4
'顯示記錄數(shù)
'-------------------------檢索數(shù)據(jù)-----------------------
'-------------------------------------------------------------------------------
redim a(Item, 2),t(Count)
'定義2數(shù)組，數(shù)組a用來儲存記錄，數(shù)組t用來刪選記錄
'---------------------------------------
'初始數(shù)組數(shù)值，目的為了插入數(shù)據(jù)以后和此值做比較
for each j in t
j=0
next
'---------------------------------------
'---------------------------------------
' 隨機抽取記錄號
Randomize timer '初始化隨機數(shù)生成器
for j=1 to Item
k=int(rnd*Count+1) '從總數(shù)里面隨機取一條記錄
do while t(k)<>0 '判斷是否記錄是否已經(jīng)在數(shù)組中
k=int(rnd*Item+1)
loop
t(k)=1 '第k條記錄被選中
next
'--------------------------------------
j=1:i=1'定義下標
'--------------------------------------
' 循環(huán)選取數(shù)據(jù)集objRS中的部分記錄存放到數(shù)組中
Do While Not objRS.Eof
if t(j)=1 then
a(i,1)=objRS("id") '記錄id
a(i,2)=objRS("DataColumn") '記錄內容
i=i+1
end if
j=j+1
objRS.MoveNext
Loop
'--------------------------------------
'-------------------------------------------------------------------------------
'----------------------------顯示內容--------------------
for i=1 to Item
Response.write "序號"&a(i,1)&"<br>"
Response.write "內容"&a(i,2)&"<p>"
next
'----------------------------顯示內容--------------------
'---------------------------
'釋放資源
objRs.Close
set objRs=nothing
objConn.Close
set objConn=nothing
'---------------------------
%>

select * from talbe order by newid()

select * from table order by rand() limit 0,10