Returning 30% Random Records
Sep 27, 2007
HI,
If i have the following data
Code Block
Create Table #Request (
[requestid] int ,
[customername] Varchar(30) ,
[age] int ,
[sex] char(1) ,
[address] Varchar(30) ,
[status] int
);
Insert Into #request Values('2342','Jack','23','M','Texas','0');
Insert Into #request Values('223452','Tom','45','M','Ohio','1');
Insert Into #request Values('22353','Bobby','23','M','Austin','0');
Insert Into #request Values('22362','Guck','23','M','Austin','0');
Insert Into #request Values('22392','Luck','23','M','Austin','1');
Insert Into #request Values('22362','Buck','23','M','Austin','0');
Insert Into #request Values('2564392','Jim','23','M','Austin','1');
Insert Into #request Values('2342','Jasm','23','M','Austin','0');
Insert Into #request Values('2765492','Chuck','23','M','Austin','1');
How can i return 30% random requestid's from this table?
thanks.
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Jul 20, 2005
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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Nov 16, 1999
Hi,
I'm trying to use the following query to select two random records from my database. Do you have any ideas of why the recrand field will not change? I am using MS Sql server 7.. Please email mark@dtdesign.com ..Cheers Mark
SELECT TOP 2 mytable.id AS RECID, RAND(mytable.id) AS recrand
FROM mytable
ORDER BY recrand
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Feb 10, 2007
Hi every one.How can I get random 4 records in my table.
Example I want to get top 4 random records
Select top 4 from tbl_Products.....?
Thanks in appreciate
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May 11, 2008
hi again,
i just want to ask if how can i randomly select 5 distinct records from a table w/ a hundreds of records everytime i exec a stored procedure??
thanks
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Mar 13, 2004
hi im creating 2 random numbers, matching one of them (i) to the QuestionsNo column in my database, and then making it display the whole record. the code below generate 2 random numbers but i cannot get the rest of it to work. i need it to match the random number to the QuestionNo field in my database and display the whole record. can anyone help me and tell me where im going wrong please????
Dim i,j as integer
Randomize
i = CInt(Int((10 * Rnd()) + 1))
j = CInt(Int((10 * Rnd()) + 1))
example.InnerHtml = "Random Number : " & i
example1.InnerHtml = "Random Number : " & j
strSQL = "SELECT * FROM Table1 WHERE QuestionNo = " & i &""
Message.text=strSQL.ToString()
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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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Jun 25, 2002
I need a way to select records at random from a SQL Server 2000 table. If the record I've selected at random meets a few simple conditions (column X <> 'A' and column Y == 'Z') then return this record and get the next. Ideally I'd be able to do this in a stored proc where I'd call it with:
parameter 1: table name
parameter 2: number of random records to get
parameter 3: value for condition 1
parameter 4: value for condition 2
Any help will be greatly appreciated!
Patrick
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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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Jul 1, 2004
Once again - My table should consist of 100 new records for a field MobilePhone(of char type) and last 5 digits should be randomly choosed (should be like this: +381randomno1randomno2.. etc.(example: +38156465, where '+' sign makes it char type and digits after +381 are randomly choosed. :confused: Anyone knows how to solve this....PLEASE?
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Mar 1, 2004
How would I create a statement that would select 10 random records from the SQL DB?
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Apr 22, 2008
Hello,
Is it possible to select 10 random records from a table?
Thanks,
Miguel
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Dec 1, 2006
I'm not sure if this is a completely dumb question, but please humor me:) I have a table of records, called Records, each of which has aCategory_ID that places it in a specific category; the details of thecategories are stored in another table called Category. What I need todo is retrieve a recordset that contains one record from each category,but where the records that are retrieved are random. I know how toretrieve one or more random records using "order by NewID()", but havenot been able to work out how to get one random record from eachcategory.Any assistance in this puzzler will be HUGELY appreciated!ThanksFEB
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Feb 10, 2007
I've got a product table in SQL 2000 that contains say these rows:
ProductID intProductName varcharIsSpecial bit
I want to always return 4 random specials from a query and can do this fine by using:
SELECT TOP 4 ProductID,ProductNameFROM Products WHERE IsSpecial = 1ORDER BY NEWID()
This works ok if there are 4 products marked as specials but the problem is i always need 4 records returned but if only 2 products are marked as special then only 2 records are returned.
What i really need is something in there that says if <4 records are returned then just add random non-special products to make the total products returned up to 4. So it should always be 4 records but preference is given to specials if you see what i mean?
Is this possible?
Thanks
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Aug 26, 2005
Hello,I have 1000 of records in my table. I wanna select random 100 of them? How?regards
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Sep 22, 2000
Hello,
I need to select records by random order everytime user go to that page. QuestionID is the uniq field in this table.
SELECT * FROM QuestionMaster.
I tried to use the following statement to get the random records but I can't get the value in the variable out of this statement that I can use in my above select statement. Please HELP.
SELECT Convert(int,RAND()*97)
Thanks in a million.
Sarika
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Sep 7, 2005
Dear All ...
im new memmber in this great forum ..
i need help ...
i have Table like :
ID Subject Points
---- ------- --------
1 1 10
2 1 20
3 2 10
4 3 5
5 1 15
6 2 10
7 3 10
8 1 20
i need to select random records from table where Subject = 1 and Total Sum for selected records Points = 25
any one can help me ..
thanks
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Jul 31, 2007
Hello,
Anyone have any suggestions on creating a query that will randomly select records from a table, but not use those records again. I have some code that does it, but it uses the same fields over again, and also throws in some blank records that I did not specify in the query. I am creating a test engine that has to randomly ask questions.
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Aug 4, 2005
I try to set up a testing sample table which contain one integer project_ID field for table Sample around 500 records, and want the project_ID to be random number within 1 to 99, how to implement script todo it?
thanks!
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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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Mar 12, 2006
hello i have a problem and i dont know if it can fixed or not i'm using asp.net 2 and sqlserver 2005 i have a table named questions in the database and that table has 5 columns questionid,question,answer1,answer2,answer3 every questions has 3 answers 1 right and the other 2 are wrong what i want to do is select 10 random questions and their right and wrong answers show in my asp.net page as application the answers will be in radio buttons so is that can be done or it's not possible.thanks all
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Jun 6, 2006
I have a situation where i am trying to run two query's and retrieveone record from each query, then using Union combine them into onerecordset. The First Query is strait forward and should just returnthe matching record however the second query needs to find a randomrecord and return it. The union is causing me some trouble. It seemsthat any method i try to find a random record just causes an error.Here is an example of a query that's causing the problem.--------------------------------------------------------------------------------------------------------declare @variable1 smallintdeclare @variable2 intset @variable1 = 10002set @variable2 = 1001211720select col1, col2, col3, col4, col5, col6from table1where col1 = @variable1 and col2 = @variable2unionselect col1, col2, col3, col4, col5, col6from table2where col2 = @variable2order by newID()--------------------------------------------------------------------------------------------------------I have also tried the following which does not provide an error but icannot find a way only to return one record from the second query--------------------------------------------------------------------------------------------------------declare @variable1 smallintdeclare @variable2 intset @variable1 = 10002set @variable2 = 1001211720select newID() as colID, col1, col2, col3, col4, col5, col6from table1where col1 = @variable1 and col2 = @variable2unionselect newID() as colID, col1, col2, col3, col4, col5, col6from table2where col2 = @variable2order by colIDIf anyone has any ideas, fixes, or thoughts i would appreciate them...thanks in advance...FYI i am fairly inexperienced in SQL so please feel free to let me knowif you need more of an explination.
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Jun 11, 2007
I'm trying to use the NEWID function in dynamic SQL and get an errormessage Incorrect syntax near the keyword 'ORDER'. Looks like I can'tdo an insert with an Order by clause.Here's the code:SELECT @SQLString = N'INSERT INTO TMP_UR_Randoms(Admit_DOCID,Client_ID, SelectDate, SelectType,RecordChosen)'SELECT @SQLString = @SQLString + N'(SELECT TOP ' + @RequFilesST + 'Admit_DOCID, Client_ID, SelectDate, SelectType, RecordChosen FROMFD__UR_Randoms 'SELECT @SQLString = @SQLString + N'WHERE SelectType = ' +@CodeRevTypeSt + ' AND SelectDate = ''' + @TodaySt + '''' + ' ORDERBY NEWID())'execute sp_executesql @SQLStringMy goal is to get a random percentage of records.The full SP follows. In a nutshell - I pull a set of records fromFD__Restart_Prog_Admit into a temporary table called FD__UR_Randoms.I need to retain the set of all records that COULD be eligible forselection. Based on the count of those records, I calculate how manyneed to be pulled - and then need to mark those records as "chosen".I'd just as soon not use the TMP_UR_Randoms table - I went that routebecause I ran into trouble with a #Tmp table in the above SQL.Can anyone help with this? Thanks in advance.Full SQL:CREATE PROCEDURE TP_rURRandomReview @ReviewType varchar(30)--Review type will fill using Crystal Parameter (setting defaults)AS/* 6.06.2007UR Requirements:(1) Initial 4-6 month review: 15% of eligible admissions(eligible via days in program and not yet discharged) must be reviewed4-6 months after admission. This review will be done monthly -meaning we'll have a moving target of names (with overlaps) whichcould be pulled from each month. (Minimum 5 records)(2) Subsequent 6-12 month review: Out of those already reviewed(in #1), we must review 25% of them (minimum of 5 records)(3) Initial 6-12 month review: Exclude any included in 1 or 2 -review 25% of admissions in program from 6-12 months (minimum 5)*/DECLARE @CodeRevType intDECLARE @PriorRec int -- number of records already markedeligible (in case user hits button more than once on same day for sametype of review)DECLARE @CurrRec int --number of eligible admitsDECLARE @RequFiles intDECLARE @SQLString nvarchar(1000)DECLARE @RequFilesSt varchar(100)DECLARE @CodeRevTypeSt char(1)DECLARE @TodayNotime datetimeDECLARE @TodaySt varchar(10)--strip the time off todaySELECT @TodayNotime = DateAdd(day,datediff(day,0,GetDate()),0)--convert the review type to a codeSelect @CodeRevType = Case @ReviewType when 'Initial 4 - 6 Month' then1 when 'Initial 6 - 12 Month' then 2 when 'Subsequent 6 - 12 month'then 3 END--FD__UR_Randoms always gets filled when this is run (unless it waspreviously run)--Check to see if the review was already pulled for this recordSELECT @PriorRec = (Select Count(*) FROM FD__UR_Randoms whereSelectType = @CodeRevType and SelectDate = @TodayNotime)If @PriorRec 0 GOTO ENDThis--************************************STEP A: Populate FD__UR_Randomstable with records that are candidates for review************************If @CodeRevType = 1BEGININSERT INTO FD__UR_Randoms (Admit_DOCID, Client_ID, SelectDate,SelectType,RecordChosen)(SELECT pa.OP__DOCID, pa.Client_ID,Convert(varchar(10),GetDate(),101) as SelectDate, @CodeRevType, 'F'FROM dbo.FD__RESTART_PROG_ADMIT paInner join FD__Client cOn pa.Client_ID = c.Client_IDWHERE Left(c.Fullname,2) <'TT' AND (Date_Discharge IS NULL)AND(DATEDIFF(d, Date_Admission, GETDATE()) 119)AND (DATEDIFF(d, Date_Admission, GETDATE()) <= 211)AND pa.OP__DOCID not in (Select Admit_DOCID from FD__UR_Randomswhere RecordChosen = 'T'))ENDIf @CodeRevType = 2--only want those that were selected in a batch 1 - in program 6-12months; selected for first reviewBEGININSERT INTO FD__UR_Randoms (Admit_DOCID, Client_ID, SelectDate,SelectType,RecordChosen)(SELECT pa.OP__DOCID, pa.Client_ID,Convert(varchar(10),GetDate(),101) as SelectDate, @CodeRevType, 'F'FROM dbo.FD__RESTART_PROG_ADMIT paInner join FD__Client cOn pa.Client_ID = c.Client_IDWHERE Left(c.Fullname,2) <'TT' AND (Date_Discharge IS NULL)AND(DATEDIFF(d, Date_Admission, GETDATE()) 211)AND (DATEDIFF(d, Date_Admission, GETDATE()) < 364)AND pa.OP__DOCID in (Select Admit_DOCID from FD__UR_Randomswhere SelectType = 1 AND RecordChosen= 'T'))ENDIf @CodeRevType = 3--only want those that were not in batch 1 or 2 - in program 6 to 12monthsBEGININSERT INTO FD__UR_Randoms (Admit_DOCID, Client_ID, SelectDate,SelectType,RecordChosen)(SELECT pa.OP__DOCID, pa.Client_ID,Convert(varchar(10),GetDate(),101) as SelectDate, @CodeRevType, 'F'FROM dbo.FD__RESTART_PROG_ADMIT paInner join FD__Client cOn pa.Client_ID = c.Client_IDWHERE Left(c.Fullname,2) <'TT' AND (Date_Discharge IS NULL)AND(DATEDIFF(d, Date_Admission, GETDATE()) 211)AND (DATEDIFF(d, Date_Admission, GETDATE()) < 364)AND pa.OP__DOCID NOT in (Select Admit_DOCID from FD__UR_Randomswhere SelectType < 3 AND RecordChosen= 'T'))ENDSELECT @CurrRec = (Select Count(*) FROM FD__UR_Randoms whereSelectType = @CodeRevType and SelectDate = @TodayNoTime)--*************************************STEP B Pick the necessarypercentage **************************************--if code type = 1, 15% otherwise 25%If @CodeRevType = 1BEGINSELECT @RequFiles = (@CurrRec * .15)ENDELSEBEGINSELECT @RequFiles = (@CurrRec * .25)END--make sure we have at least 5If @RequFiles < 5BEGINSELECT @RequFiles = 5End--*************************************STEP C Randomly select thatmany files**************************************--convert all variables to stringsSELECT @RequFilesSt = Convert(Varchar(100),@RequFiles)SELECT @CodeRevTypeSt = Convert(Char(1),@CodeRevType)SELECT @TodaySt = Convert(VarChar(10),@TodayNoTime,101)SELECT @SQLString = N'INSERT INTO TMP_UR_Randoms(Admit_DOCID,Client_ID, SelectDate, SelectType,RecordChosen)'SELECT @SQLString = @SQLString + N'(SELECT TOP ' + @RequFilesST + 'Admit_DOCID, Client_ID, SelectDate, SelectType, RecordChosen FROMFD__UR_Randoms 'SELECT @SQLString = @SQLString + N'WHERE SelectType = ' +@CodeRevTypeSt + ' AND SelectDate = ''' + @TodaySt + '''' + ' ORDERBY NEWID())'print @SQLStringexecute sp_executesql @SQLStringSELECT * FROM TMP_UR_Randoms/*--This select statement gives me what i want but I need to somehowmark these records and/or move this subset into the temp tableSelect Top @RequFilesFROM FD__UR_RandomsWHERE SelectType = @CodeRevType and SelectDate =Convert(varchar(10),GetDate(),101))ORDER BY NewID()*/ENDTHIS:GO
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Dec 19, 2013
My overarching goal is to generate sets of random Symptom records for each Enrollee in a drug study, so that for each cycle (period of time), the code will insert a random number of random records for each enrollee.
I'm trying to return a number of random records from a table, but inside a table-valued function... (which could be my problem).
CREATE FUNCTION dbo.ufn_GetTopSymptoms (
@enrollID INT
, @CTCVersion VARCHAR(20)
, @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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May 18, 2015
I have these columns. TicketID, User, Date...I want to select 10 random tickets for each user for the past 30 days. I not sure whether to do this via sql or using VB in the report design.
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Dec 7, 2006
I'm writing a page that will return data from my database to the user based on their search paramaters, over several pages with 20 matching records showing per page, and a next button on the bottom. Similar to the format of any search engine.
However, I'd like to write this into the query, and I'm not sure how I would go about doing so. For example:
"SELECT TOP 20 to 40 * FROM Northwind"
Hopefully this makes sense. Is there any way of doing this?
Thanks in advance,Russ
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Feb 13, 2007
My query is as follows:Dim CurrentDate As DateCurrentDate = "09/02/2007" MyCommand = New SqlCommand("SELECT RegisterID FROM Registers WHERE RegisterDate = @RegisterDate AND IsMorningRegister = 1", MyConn)MyCommand.Parameters.Add("@RegisterDate", Data.SqlDbType.DateTime)MyCommand.Parameters("@RegisterDate").Value = CurrentDate My DB table is called RegisterDate and is of type DateTime. The record that should be matched is: Register ID: 13 RegisterDate: 09/02/2007 09:00:00IsMorningRegister: TrueIsAfternoonRegister: False But no records are returned. Any idea why?
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Feb 27, 2002
Any information as to how to handle this?
Thanks.
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Jul 14, 2005
Hi,
I have a SQL question which I suspect is very easy to answer but can't seem to find one for.
I have a table which contains about 500 records. i would like to display these records on a web page, but paginated, showing only 20 records per page. I have in the past returned a recordset containing all the records and paginated programmatically in ASP. In this instance I would like to be able to pass an upper and lower bound into my stored proc and return only those records I want to display. So on page 4 I would want to display only records 61-80. I can pass in the upper and lower bound to the SP as parameters but is there some T-SQL i can use to return this range of records only.
So, the SP would for example accept the parameters
@Upperbound = 80
@Lowerbound = 61
and would return a recordset of 20 records being the 61st thru 80th record from the queried table.
Thanks for the help
Guy
PS. I asked someone at work and they suggested using OFFSET and LIMIT. It seems to me as if these are only available in PostgreSQL or MySQL and not T-SQL. I guess I am looking for an equivalent I can use with SQL Server.
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Nov 17, 2006
Following Proc is returning all records.I have passed any value to parameters but no luck.
CREATE PROCEDURE GetAllUsers(
@persontype varchar(100)="",
@name varchar(100)="",
@adddatetime datetime="",
@activeaccount int =-1,
@country varchar (20)=""
)
AS
declare @cond varchar(1000) ;
if @persontype<>""
begin
set @cond= @cond+"and persontype="+@persontype
end
if @name<>""
begin
set @cond= @cond+"and (charindex("+@name+",x_firstname)>0 or charindex("+@name+",x_lastname)>0 or charindex("+@name+",x_email)>0) "
end
if @activeaccount<>-1
begin
set @cond= @cond+'and activeaccount='+@activeaccount
end
if @adddatetime<>""
begin
set @cond= @cond+'and adddatetime='+@adddatetime
end
if @country<>""
begin
set @cond= @cond+'and x_country='+@country
end
print @cond
exec( " select * from users where 1=1 "+@cond)
GO
zx
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Jul 20, 2005
I have a view that will return say 5000 records when I do a simpleselect query on that view like.select *from vw_test_viewHow can I set up my query to only return a certain # of records, saythe first 300?Here is what is going on, we have a large amount of data that returnsin a view and we need to work with all of it eventually, However wewant to do it in chunks. So my thoughts were as follows:1. To run a query to return X amount of the total data for us to workwith.2. Update these records with a flag in a table that the vw_test_viewfilters out.3. The next time I run the query to pull data from the view it willskip the records that I have already looked at (because of step 2) andpull the next X amount of records.Thanks in advance,Mike
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May 15, 2008
Hello -
I'm trying to write a select statement that will return only "billable" records.
A record is billable if:
- it is the only record for a Case (Case is an FKey ID column in my records table)
OR
- the last billable record for Case X has a DateTime > 24 hours before the record in question.
Getting records for the first condition is easy:
SELECT ID FROM Records r
LEFT OUTER JOIN Records r2 ON r2.[Case] = r.[Case]
WHERE r2.[Case] IS NULL
It's the second part I'm having trouble with.
UNION
SELECT ID FROM Records
JOIN ?
....
WHERE DATEDIFF(hh, r.DateTime, r2.DateTime) > 24 ??
I have to assume there can be any number of records for a case.
Thanks in advance!
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Aug 18, 2006
I'm building a db to collect equip fault data in SQL 2005 and need to modify my query to be able to select/display "ALL" records. I'm currently using a sp to assign a shift to each record and then have a query to select all records by shift. I'd like to add an option to the query to be able to select ALL records, regardless of shift. I've included the sp & query I am currently using. Any help would be appreciated.
Thanks
ALTER PROCEDURE [dbo].[p_dtu_Store_Line_Fault_Data]
-- Add the parameters for the stored procedure here
@AssetID int,
@Timestamp datetime,
@FaultCode int,
@State int
AS
BEGIN
SET NOCOUNT ON;
IF @State = 3
BEGIN
INSERT LineFaultData (FaultCode, AssetID, StartTime, Duration, Shift)
VALUES (@FaultCode, @AssetID, @Timestamp, 0,
CASE WHEN DATEPART(hh,@Timestamp) BETWEEN 7 AND 14 THEN 'DAYS'
WHEN DATEPART(hh,@Timestamp) BETWEEN 15 AND 22 THEN 'AFTERNOONS'
ELSE 'NIGHTS'
END)
END
IF @State <> 3
BEGIN
DECLARE @Count int
SET @Count = (SELECT Count(*) FROM LineFaultData WHERE AssetID = @AssetID AND Duration = 0)
IF @Count <> 0
BEGIN
DECLARE @StartTime datetime
SET @StartTime = (SELECT Top 1 StartTime FROM LineFaultData WHERE AssetID = @AssetID and Duration = 0)
UPDATE LineFaultData
SET Duration = DateDiff(s,@StartTime, @Timestamp)
WHERE AssetID = @AssetID and Duration = 0 and StartTime = @StartTime
END
END
END
SELECT TOP (1000) dbo.LineFaultDescription.Station, dbo.LineFaultData.StartTime, dbo.LineFaultData.Duration, dbo.LineFaultDescription.FaultDescription,
dbo.LineFaultDescription.FaultCategory, dbo.LineFaultData.Shift
FROM dbo.LineFaultDescription INNER JOIN
dbo.LineFaultData ON dbo.LineFaultDescription.FaultCode = dbo.LineFaultData.FaultCode AND
dbo.LineFaultDescription.AssetID = dbo.LineFaultData.AssetID
and (StartTime < '{@End Date}' and StartTime > '{@Start Date}')
WHERE (dbo.LineFaultData.AssetID = {Asset_ID})
AND (dbo.LineFaultData.Shift = '{@Shift}')
ORDER BY dbo.LineFaultData.StartTime DESC
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