Select Random Row In Database
does exist any command to get random row from target table in target database and then use this row ?
View Repliesdoes exist any command to get random row from target table in target database and then use this row ?
View RepliesI have the following select statement, but need to randomise the results to draw just 1 record at a time for banner displaying. How can I do it? ....
View Replies View RelatedI have 30 numbers. I need to select randomly 10 out of the given 30. A number must not repeat ( eg. i can't have number 10 twice ). How can i do this??
View Replies View RelatedOk here is what I'm trying to do. I want to grab a random record from a specific table. This is how I am doing it now:
x = 0
Set rs = Conn.Execute("SELECT Count(*) as total FROM [user] WHERE active = '1'")
If rs.EOF <> True then
total = rs("total")
End if
Randomize timer
randnum1 = int(rnd * total)
If randnum1 = 0 then
randnum1 = 1
End if
rs.close
set rs = nothing
Set rs = Conn.Execute("SELECT * FROM [user] WHERE id = '" & randnum1 & "' ")
Now that would work fine, BUT the id is a autonumber int of 1.
Now look at this example. Let's say I have 50 records, so I have the ID values of 1 through 50. Now I delete record number 46. So now my count goes up to 49. So the random number will pull up ANY number between 1 and 49, so if it pulls up 46 then BAAAM record can not be found.
There has to be an easier/more efficient way of getting a random record. I don't plan on deleting any records, but I just don't feel this is the best way of doing this.
I want to select 5 random records from my database..I tried to suft the net and foundout this sql
SELECT TOP (3) Question, Choice1, Choice2, Choice3, Choice4
FROM Question
But when i tried to execute,i t always gave me the most top 2 records. why?Is this sql statement woring?How can i select 5 random records from the database?
<%
Dim oConn, oRS, randNum
Randomize()
randNum = (CInt(1000 * Rnd) + 1) * -1
Set oConn=Server.CreateObject("ADODB.Connection")
Set oRS=Server.CreateObject("ADODB.recordset")
oConn.Provider="Microsoft.Jet.OLEDB.4.0"
oConn.Open Server.MapPath("temp.mdb")
oRS.Open "SELECT TOP 1 EMAIL_ADDRESS, r = Rnd(" & randNum & ") FROM TABLE1 ORDER BY r", oConn, adOpenStatic, adLockReadOnly
Response.Write oRS("EMAIL_ADDRESS")
oRS.close
oConn.close
Set oConn = nothing
Set oRS = nothing
%>
this gives the error: "No value given for one or more required parameters".
what i would really LOVE is for someone to fill in whatever required parameter im missing, but more important i would like to understand whats going on. there are people who go through life dumb and happy once something "works", but i need to understand how and why its working. even if this code did work, im confused with the SELECT statement (no, i dont have much SQL experience aside from basic queries). what is the "r = Rnd" line doing in the middle of the querie? how am i ordering by r?? also, i dont have an indexed, primary "ID" field in this databae. is that ok for this code to work?
While i'm here, do you know how to select a random word from a text file?
Txt file is like this:
word 1
word 2
etc.
I need to generate three random numbers between 1 and 100, but they need to be different.
e.g. 3,43,88 would be fine but 5,76,76 would not.
The function I have to generate a single random number is:
function funRandomNumber(intHighestNumber)
randomize
funRandomNumber = int(rnd * intHighestNumber) + 1
end function
called by: funRandomNumber(100)
Can anyone see how this can be modified to do what I need?
I am using the following code to Query information from my db table. The problem I have is that it displays the whole table rather than displaying 5 random results by ProductID.
<%
objConn2.open strconn2
Set objRS2 = Server.CreateObject("ADODB.Recordset")
objRS2.Open "SELECT * FROM Products", objConn2
Do While Not objRS2.EOF
Response.Write ":: <a href=""productsDisplay.asp?ProductID=" & objRS2("ProductID") & """>" & objRS2("Product_Description") & "</a><br>"
objRS2.MoveNext
Loop
objRS2.Close
objConn2.Close
Set objConn2 = Nothing
%>
I'm trying to create a portion of script that would select x (variable) number of random records from a table.
in PHP, I could do this pretty simply with a line like, "select * from table order by rand() limit x", but the solutions I've seen so far for asp and access involve things like 40 lines of code, selecting the entire contents of a database, creating temporary tables, etc.
Is there any quick and dirty way of doing this?
Suppose I have a table named as tblfriends and there are 3 columns with several row. Column names are: name, email, phone
I want to pick 5 names randomly from the table each time my asp page refreshes. How can this be coded in classic asp?
I have a ASP/vbscript program that generates random passwords. The problem is I need to insert those passwords into an Access database of 327 clients. I have the random password program generating the 327 passwords, but have had no luck inserting them. Code:
View Replies View Relatedill have a database with 1 table and 3 fields:
ID FIRSTNAME LASTNAME
(the ID field will be the auto incrementing index)
there might be 10 records in the DB, there might be 10,000. i need to open the DB and randomly select a record (and then display the name, which i dont have a problem with)
how can i randomly select a record? im guessing id have to open a recordset and check the count to get the number of records, so lets say there were 100 records. i imagine i would have to generate a random number between 1 and 100....
obviously in standard asp. and i'm not even sure where to begin. I currently have it set up for a random quote every time a user refreshes the site. This was no problem. Any help or if you can point me in the right direction.
View Replies View RelatedI am trying to write a script that generate random code which are not in database.
Things are ok on these points:
1. Generating a random code
2. Controlling whether it is in database.
For now, if the code is in database, it gives a message.
What I want the funstion do is to generate a code which is not in db?
How can id do this?
I write the code as reference.....
The following code should select the specified number of records randomly from the database .....
View Replies View RelatedThere are 26 prizes available in a competition a client is running and he wants to be able to select these at random.
I thought the best way of doing this would be to construct a simple ASP page which displays 26 random records from the database.
The fields I wish to display are called name, email and address, and these are located in the table called Competition (this is an MS Access db).
I am trying to retrieve images from the database and display them in a random order. The order of the images is supposed to change each time page is refreshed.
Below is my code, I am using an array to store the images but the images are not displayed for some reason. Any help would be appreciated.
<% Dim rstResult
Dim strSQL
Dim img(100)
imgID = 0
set rstResult = Server.CreateObject("ADODB.Recordset")
strSQL = "sp_sel_TilesByType 'O'"
rstResult.Open strSQL, strConnect
set rResult = Server.CreateObject("ADODB.Recordset")
sSQL = "sp_sel_TilesByType 'O'"
rResult.Open sSQL, strConnect
if not rResult.EOF then
do while not rResult.EOF
response.write("hi")
imgID = imgID + 1
img(imgID) = "images/tiles/" & rResult("TileImage")
response.write(img(imgID))
rResult.movenext
loop
end if
if not rstResult.EOF then
intVendorID = 0
do while not rstResult.EOF
if intVendorID <> rstResult("VendorID") then
rndNumber = RandomNumber(imgID)
Response.Write "<p>"
Response.Write "<a href=javascript:popWin('tileview.asp?" & rstResult("TileID") & "','',1,1,1,1,700,600);>"
'Response.Write "<img src=images/tiles/" & rstResult("TileImage") & " border=0>"
response.write(rndnumber)
Response.write "<img src=img(rndNumber)>"
Response.Write "</a>"
Response.Write "</p>"
end if
intVendorID = rstResult("VendorID")
rstResult.MoveNext
loop
end if
set rstResult = nothing%>
How can I do it?
View Replies View RelatedI am trying to write an array of random numbers to a database. The array part is working fine, but when I go to update the dataabse, it inserts the last value of the array into all the fields in the database .....
Dim MyValue,sqlRandom
Dim arrayRandom(8)
for i = 1 to 8
Randomize
MyValue = Int((100 * Rnd) + 1)
arrayRandom(i) = MyValue
response.write "<p> Array Value:" & arrayRandom(i)
sqlRandom = "UPDATE CarParkDetails SET FreeSpaces = '" & arrayRandom(i) & "'"
Conn.execute(sqlRandom)
next
I can't see whats wrong!
I nwant to pull out the description form the table orders where the first letter is A. I dont have any script tried, because I dont have a clue, I was told it's simple to do though.
strquery = SELECT description FROM orders WHERE ...?
I'm trying to do a select * from myTable Where blah blah blah, but am getting back the following error message.
Error Type:
ADODB.Connection (0x800A0BB9)
Arguments are of the wrong type, are out of acceptable range, or are in conflict with one another.
This is the code i'm using Code:
Is this do-able with ASP / VBscript?
-- I have a database with user records (name, photo, etc. etc.)
I want to use asp to generate (on the homepage) a series of 4 randomly selected 'user records' from the database -- say just the headshot photo or name from the database.
In addition to the recordset being randomly generated (i.e. our of about 50 records, only records 4, 18, 23 and 26 are displayed) I need to MAKE SURE they are not duplicated (i.e. out of the 50 records, records 4, 18, 23 and 23 -- where the last two are duplicates).
Is there a way I can pull this off and how do I go about it exactly?
I'm building a form select from a record set and then using the selected result to call another record set. This a maybe a dumb problem but it has me stumped. The first record always has a comma after it, theres no comma in the database and no comma in the code. Can someone tell where this comma is coming from? Code:
View Replies View RelatedI have created a query and everytime I try to run it I get this error:
Microsoft JET Database Engine error '80004005'
Record is deleted.
/vsadmin/inc/incsearch.asp, line 162
This is the query: Code:
What I want to do I select one database and the set the Rs1, rs2 etc.. like in Vb6 I would set DB then:
Set rs1 = db1.OpenRecordSet("Table1")
Set rs2 = db1.OpenRecordSet("Table2")
etc...
However how do I do this in asp3? Code:
I am working on a site with MS Access and ASP that needs to have data selected from a listbox, populate several span fields. I can do it with JavaScript but the array data is hard coded, I want the data brought in dynamically from an Access database. Here is my JavaScript code:
View Replies View RelatedI am looking for the basic code to open, select and close a mySQL database using asp code. I am experienced in php and have a site using php to access this database but this client would like one page using asp.
View Replies View RelatedHowever, what I want to do is include a request.querystring("ID"), so that IF an ID is defined, eg ID=3, , it will display the relevant (not random) information. I've tried this every way I can think and get type mismatches, etc etc. It's probably really simple but I can't see it.
<%
limit=3
redim link(limit)
redim image (limit)
link(1)="xxx"
image(1)="image1.jpg"
link(2)="xxx"
image(2)="image2.jpg"
link(3)="xxx"
image(3)="image3.jpg"
randomize
random=int(rnd*limit)+1
%>
<center>
<a href="<%= link(random) %>">
<img src="<%= image(random) %>" border="0"></a>
I just wanted to know whats the best way to generate 50 or say X amount of number at random without having to repeat any of the previous number...
so far I've the following:
[VBS]<%@LANGUAGE="VBSCRIPT" CODEPAGE="1252"%>
<%
function RandomNumber()
dim theRandom
Randomize
'RandomNumber = Int((upperbound - lowerbound + 1) * Rnd + lowerbound)
theRandom= Int((99 - (0) + 1) * Rnd + (0))
if (theRandom<10) then theRandom = "0" & theRandom
RandomNumber = theRandom
end function
%>[/VBS]
and then I've this in the body of HTML doc: Code:
We have the need to have a random token (a 16 char alphanumeric field) to be used as the key for one of our SQL tables. I have created a random token generator, however after only 3 months in production, it appears that we had an instance where a token that already existed in the tables was created. There are 3810 records currently in the database so it isn't like there are billions of records there.
I contacted an old college buddy of mine who is a mathematician, and he claims, assuming that random really does mean random, that the chances of getting a duplicate token are 1 in 79.5 septillion (79,500,000,000,000,000,000,000,000).
So my conclusion is that this was either a complete freak of nature occurance, or my random generator isn't really all that random. Here is the code behind how I am generating this: Code:
I am trying to generate a random number. I am using randomize and then rnd to return a decimal number between 100 and 120. This will give me a longitude. I am doing something similar to generate a latitude.
I created this on a page which refreshs every minute. I put these points into a map and they are showing up in groups of straight lines. Since rnd is time based will refreshing every 60 seconds return similar numbers?
i'm new here and i'd like to ask if there's someone who knows how to compare date() function and date from database with date/time type inside select statement so i don't have to do if..then..else
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