How To Make 2 Columns In Datagrid With Random Records?

Aug 20, 2005

Hi

I want to make random record from both columns

Not just like this
"SELECT Firstname,Lasename FROM rndnames ORDER BY NewID()"

but more like this but this code dont work becouse i dont know how to put it into the code:
"SELECT Firstname FROM rndnames ORDER BY NewID()"
"SELECT Lasename FROM rndnames ORDER BY NewID()"

As you see i want both columns to be random placed..

Please help me...

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Hi,I need to extract randomly 5 records from the table "Questions". Now I useSELECT TOP 5 FROM Questions ORDERBY NEWID()And it works. The problem is that I need an additional thing: if SQLextracts record with ID=4, then it should not extract record with ID=9,because they are similar. I mean, I'd like something to tell SQL that if itextracts some questions, then it SHOULD NOT extract other ones.How can I do it?Thanks!Luke

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Hello,

I downloded the random record script from swynk site and when I run It gives me error msg

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Line 73: Incorrect syntax near 'DECLARE CUR_MEU CURSOR SCROLL FOR SELECT TOP '.
Server: Msg 170, Level 15, State 1, Procedure PROC_RANDOM, Line 101
Line 101: Incorrect syntax near 'DECLARE CUR_MEU CURSOR SCROLL FOR SELECT TOP '.

Can anyone guide me

I've copied the script

Thanks.


CREATE PROCEDURE PROC_RANDOM @VEZES INT , @TABELA CHAR(50) , @CAMPO CHAR(50) , @REPETIR CHAR(1) = "S"
AS

-- DECLARATION OF VARIABLES
DECLARE @CONTADOR INT , @VAL INT , @AUX CHAR(10)
DECLARE @TOTAL INT , @VALOR INT
DECLARE @NAME CHAR(50)

-- NO MESSAGES
SET NOCOUNT ON


-- CHECK FOR THE TABLE CALLED 'RETORNO'
IF EXISTS (SELECT * FROM DBO.SYSOBJECTS WHERE ID = OBJECT_ID(N'[DBO].[RETORNO]') AND OBJECTPROPERTY(ID, N'ISUSERTABLE') = 1)
DROP TABLE [DBO].[RETORNO]

-- CREATES THE TABLE

CREATE TABLE RETORNO
(
CAMPO CHAR(50)
)


-- IF THE USER DON'T WANT SAME RESULTS , CREATE A TEMPORARY TABLE
IF @REPETIR = 'N'
BEGIN
CREATE TABLE #ALE
(
COD INT
)
END

-- GET THE TOTAL NUMBER OF RECORDS , USING THE SYSINDEXES TABLE
SELECT @TOTAL = ROWS FROM SYSINDEXES
WHERE ID = object_ID(@TABELA)
AND INDID < 2

-- IF THERE IS A TABLE....
IF @TOTAL IS NOT NULL
BEGIN

-- CLEAN THE COUNTER
SELECT @CONTADOR = 0

-- DO A LOOP SEVERAL TIMES TO GET THE NUMBER , AND RECORDS , OF RANDOM RECORDS THAT THE USER WANT
WHILE @CONTADOR <> @VEZES
BEGIN

-- INCREASE THE COUNTER
SELECT @CONTADOR = @CONTADOR + 1

-- GET A RANDOM NUMBER USING THE DATE....
SELECT @VAL = REVERSE((DATEPART(mm, GETDATE()) * 100000 )
+ (DATEPART(ss, GETDATE()) * 1000 )
+ DATEPART(ms, GETDATE()))

SELECT @AUX = CONVERT(CHAR,@VAL * ( @CONTADOR ) )

SELECT @AUX = REVERSE(SUBSTRING(@AUX,3,5))

SELECT @VALOR = (CONVERT(INT,@AUX)%@TOTAL)+1


-- IF THE USER DON'T WANT TO REPEAT DATA...
IF @REPETIR = 'N'
BEGIN
-- CHECK FOR THE USE OF THIS NUMBER
IF NOT EXISTS(SELECT COD FROM #ALE WHERE COD = @VALOR)
BEGIN

-- CREATE A DYNAMIC CURSOR WITH SOME RECORDS. THE LAST WILL BE THAT RANDOM
EXECUTE("DECLARE CUR_MEU CURSOR SCROLL FOR SELECT TOP " + @VALOR + " " + @CAMPO+ " FROM " +@TABELA )

OPEN CUR_MEU

-- GO TO THE LAST RECORD
FETCH LAST FROM CUR_MEU INTO @NAME

-- INSERT THE DATA IN THE RETURN TABLE
INSERT INTO RETORNO VALUES(@NAME)

CLOSE CUR_MEU

DEALLOCATE CUR_MEU

-- STORE THE RANDOM NUMBER IN A TABLE TO AVOID THE USE OF THIS NUMBER AGAIN
INSERT INTO #ALE VALUES(@VALOR)

END
ELSE
BEGIN
-- IF THIS NUMBER WAS USED THEN DECREASE THE COUNTER AND TRY AGAIN...
SELECT @CONTADOR = @CONTADOR - 1
END

END
ELSE
BEGIN
-- CREATE A DYNAMIC CURSOR WITH SOME RECORDS. THE LAST WILL BE THAT RANDOM
EXECUTE("DECLARE CUR_MEU CURSOR SCROLL FOR SELECT TOP " + @VALOR + " " + @CAMPO+ " FROM " +@TABELA )

OPEN CUR_MEU

-- GO TO THE LAST RECORD
FETCH LAST FROM CUR_MEU INTO @NAME

-- INSERT THE DATA IN THE RETURN TABLE
INSERT INTO RETORNO VALUES(@NAME)

CLOSE CUR_MEU

DEALLOCATE CUR_MEU

END

END

SET NOCOUNT OFF
END

-- IF THE TABLE WAS CREATED , WE MUST DROP IT
IF @REPETIR = 'N'
BEGIN
DROP TABLE #ALE
END


-- RETURN TO THE USER ALL RANDOM RECORDS
SELECT CAMPO FROM RETORNO

-- DROP THE TABLE WITH THE RANDOM RECORDS
DROP TABLE RETORNO

GO

/* END OF THE STORED PROCEDURE */

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Jun 5, 2001

Hello,

I downloded the random record script from swynk site and when I run It gives me error msg

Server: Msg 170, Level 15, State 1, Procedure PROC_RANDOM, Line 73
Line 73: Incorrect syntax near 'DECLARE CUR_MEU CURSOR SCROLL FOR SELECT TOP '.
Server: Msg 170, Level 15, State 1, Procedure PROC_RANDOM, Line 101
Line 101: Incorrect syntax near 'DECLARE CUR_MEU CURSOR SCROLL FOR SELECT TOP '.

Can anyone guide me

I've copied the script

Thanks.


CREATE PROCEDURE PROC_RANDOM @VEZES INT , @TABELA CHAR(50) , @CAMPO CHAR(50) , @REPETIR CHAR(1) = "S"
AS

-- DECLARATION OF VARIABLES
DECLARE @CONTADOR INT , @VAL INT , @AUX CHAR(10)
DECLARE @TOTAL INT , @VALOR INT
DECLARE @NAME CHAR(50)

-- NO MESSAGES
SET NOCOUNT ON


-- CHECK FOR THE TABLE CALLED 'RETORNO'
IF EXISTS (SELECT * FROM DBO.SYSOBJECTS WHERE ID = OBJECT_ID(N'[DBO].[RETORNO]') AND OBJECTPROPERTY(ID, N'ISUSERTABLE') = 1)
DROP TABLE [DBO].[RETORNO]

-- CREATES THE TABLE

CREATE TABLE RETORNO
(
CAMPO CHAR(50)
)


-- IF THE USER DON'T WANT SAME RESULTS , CREATE A TEMPORARY TABLE
IF @REPETIR = 'N'
BEGIN
CREATE TABLE #ALE
(
COD INT
)
END

-- GET THE TOTAL NUMBER OF RECORDS , USING THE SYSINDEXES TABLE
SELECT @TOTAL = ROWS FROM SYSINDEXES
WHERE ID = object_ID(@TABELA)
AND INDID < 2

-- IF THERE IS A TABLE....
IF @TOTAL IS NOT NULL
BEGIN

-- CLEAN THE COUNTER
SELECT @CONTADOR = 0

-- DO A LOOP SEVERAL TIMES TO GET THE NUMBER , AND RECORDS , OF RANDOM RECORDS THAT THE USER WANT
WHILE @CONTADOR <> @VEZES
BEGIN

-- INCREASE THE COUNTER
SELECT @CONTADOR = @CONTADOR + 1

-- GET A RANDOM NUMBER USING THE DATE....
SELECT @VAL = REVERSE((DATEPART(mm, GETDATE()) * 100000 )
+ (DATEPART(ss, GETDATE()) * 1000 )
+ DATEPART(ms, GETDATE()))

SELECT @AUX = CONVERT(CHAR,@VAL * ( @CONTADOR ) )

SELECT @AUX = REVERSE(SUBSTRING(@AUX,3,5))

SELECT @VALOR = (CONVERT(INT,@AUX)%@TOTAL)+1


-- IF THE USER DON'T WANT TO REPEAT DATA...
IF @REPETIR = 'N'
BEGIN
-- CHECK FOR THE USE OF THIS NUMBER
IF NOT EXISTS(SELECT COD FROM #ALE WHERE COD = @VALOR)
BEGIN

-- CREATE A DYNAMIC CURSOR WITH SOME RECORDS. THE LAST WILL BE THAT RANDOM
EXECUTE("DECLARE CUR_MEU CURSOR SCROLL FOR SELECT TOP " + @VALOR + " " + @CAMPO+ " FROM " +@TABELA )

OPEN CUR_MEU

-- GO TO THE LAST RECORD
FETCH LAST FROM CUR_MEU INTO @NAME

-- INSERT THE DATA IN THE RETURN TABLE
INSERT INTO RETORNO VALUES(@NAME)

CLOSE CUR_MEU

DEALLOCATE CUR_MEU

-- STORE THE RANDOM NUMBER IN A TABLE TO AVOID THE USE OF THIS NUMBER AGAIN
INSERT INTO #ALE VALUES(@VALOR)

END
ELSE
BEGIN
-- IF THIS NUMBER WAS USED THEN DECREASE THE COUNTER AND TRY AGAIN...
SELECT @CONTADOR = @CONTADOR - 1
END

END
ELSE
BEGIN
-- CREATE A DYNAMIC CURSOR WITH SOME RECORDS. THE LAST WILL BE THAT RANDOM
EXECUTE("DECLARE CUR_MEU CURSOR SCROLL FOR SELECT TOP " + @VALOR + " " + @CAMPO+ " FROM " +@TABELA )

OPEN CUR_MEU

-- GO TO THE LAST RECORD
FETCH LAST FROM CUR_MEU INTO @NAME

-- INSERT THE DATA IN THE RETURN TABLE
INSERT INTO RETORNO VALUES(@NAME)

CLOSE CUR_MEU

DEALLOCATE CUR_MEU

END

END

SET NOCOUNT OFF
END

-- IF THE TABLE WAS CREATED , WE MUST DROP IT
IF @REPETIR = 'N'
BEGIN
DROP TABLE #ALE
END


-- RETURN TO THE USER ALL RANDOM RECORDS
SELECT CAMPO FROM RETORNO

-- DROP THE TABLE WITH THE RANDOM RECORDS
DROP TABLE RETORNO

GO

/* END OF THE STORED PROCEDURE */

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Code Block

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, @NumRecords INT
)
RETURNS TABLE

[Code] ....

But that ORDER BY NEWID() clause is illegal apparently, because here's the error it throws:

Msg 443, Level 16, State 1, Procedure ufn_GetTopSymptoms, Line 13
Invalid use of a side-effecting operator 'newid' within a function.

I was hoping I could return a set of enrollmentIDs and then use CROSS APPLY to generate a random set of records for each enrollmentID... is this not possible with APPLY? I was trying to avoid using a cursor...

The idea is basically to create all the Symptom records for all the patients in treatment cycle at once by using Enrollee OUTER APPLY dbo.ufn_GetTopSymtoms(dbo.Enrollment.EnrolleeID)

but that's clearly not working. Is there a way to do this without resorting to a cursor?

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name language
-------------
ron   english
ron   french
ron   spanish
andy  english
andy  hindi
kate  english

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name language1 language2 language3 language4 language5 language6
-----------------------------------------------------------------
ron  english   french    spanish
andy english   hindi
Kate english 

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2 Faridabad   Kanpur
3 Noida Delhi
4 Kanpur Faridabad
5 Banglore Mumbai
6 G H
7 I J
8 Mumbai Banglore

I want the results in the following order

5 Banglore Mumbai
8 Mumbai Banglore
1 Delhi Noida
3 Noida Delhi
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6 G H
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Suppose as in above records There is a complete roundtrip from Banglore to Mumbai and Mumbai to Banglore.

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