MS SQL Server :: How To Extract A Sequence Number From The Group By Count?

Add Sequence Number Within Group?

Oct 13, 2013

I have the following data:

POL# POL_EFF_DATE
123 1-1-2012
123 1-1-2012
123 1-1-2012
123 1-1-2013
123 1-1-2013
456 1-1-2012
456 1-1-2012
456 1-1-2013
456 1-1-2013

I want to add sequence number to each group with same Pol# and Effective Date like this:

POL# POL_EFF_DATE Seq
123 1-1-2012 1
123 1-1-2012 1
123 1-1-2012 1
123 1-1-2013 2
123 1-1-2013 2
456 1-1-2012 1
456 1-1-2012 1
456 1-1-2013 2
456 1-1-2013 2

is there a set based function to accomplish this in SQL 2008?

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How To Insert Sequence Number With Group

Jun 11, 2008

SOURCE TABLE
ID________COMMENT
123_______I am joe
123_______I am programmer
124_______I am Wang
124_______I am programmer
124_______I like cricket

DESTINATION TABLE

ID_____SEQ______COMMENT
123_____1_______I am joe
123_____2_______I am programmer
124_____1_______I am wang
124_____2_______I am programmer
124_____3_______I like cricket
can somebody please advise the easiest way to do this in sql 2000?

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May 13, 2015

I've the following data:

<Hour>11</Hour><Hour>12</Hour><Hour>15</Hour><Hour>18</Hour>

And my goals is to the extract the following example:

11,12, 15, 18

How Can I do That?

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Apr 16, 2002

Hi, I've a question, if I've the LSN (Log Sequence Number) of a transaction, keep with the program "Log Explorer", can I know which is the IP of the user that have do the transaction (perhaps serching in a log file of the Win 2000 Server) ?
10x,
Clara

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Dec 29, 1998

In SQL 6.5 object dependencies window, what does the sequence number means?

Thanks,

Sam

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Nov 17, 2005

I have the following stored procedure:

CREATE PROCEDURE dbo.ABR_HDR_INSERT

@id int output,
@status int,
@mode int,
@sessid varchar(100)

AS

declare @ay char(4)
declare @ddo char(4)
declare @abrid varchar(50)
declare @seq_no int

SELECT @ddo = a.DDO_DSCR_SHORT
FROM dbo.DIM_DDO a
JOIN dbo.Temp_ABR_HDR b
ON a.DDO_ID = b.DDO
WHERE b.SESSIONID = @sessid

SELECT @ay = AY
FROM dbo.Temp_ABR_HDR
WHERE SESSIONID = @sessid

-- set the default seq_no
SELECT @seq_no = 1
-- get the max abrid. if no record return the seq_no will be 1
SELECT @seq_no = convert(integer, max(right(abrid, 4)))
FROM dbo.ABR_HDR
WHERE left(abrid, 7) = @ay + @ddo

-- convert @seq_no to string prefix by 0
SELECT @abrid = @ay + @ddo + right('0000' + rtrim(convert(char(4), @seq_no)), 4)

Insert into dbo.ABR_HDR (ABRID, HDR_MODE, HDR_DDO, HDR_AY, HDR_REQUESTOR, HDR_DT, HDR_SUBJECT, HDR_DESCRIPTION, HDR_STATUS)

SELECT

@abrid,
@mode,
DDO,
AY,
REQUESTOR,
DT,
SUBJECT,
DESCRIPTION,
@status

FROM dbo.Temp_ABR_HDR

SELECT @id = @@identity

return @id
GO

ABRID gets inserted as a <NULL> value. I can't figure out why? If I comment out the following then ABRID will insert without the sequence number:

CREATE PROCEDURE dbo.ABR_HDR_INSERT

@id int output,
@status int,
@mode int,
@sessid varchar(100)

AS

declare @ay char(4)
declare @ddo char(4)
declare @abrid varchar(50)
declare @seq_no int

SELECT @ddo = a.DDO_DSCR_SHORT
FROM dbo.DIM_DDO a
JOIN dbo.Temp_ABR_HDR b
ON a.DDO_ID = b.DDO
WHERE b.SESSIONID = @sessid

SELECT @ay = AY
FROM dbo.Temp_ABR_HDR
WHERE SESSIONID = @sessid

-- set the default seq_no
--SELECT @seq_no = 1
-- get the max abrid. if no record return the seq_no will be 1
--SELECT @seq_no = convert(integer, max(right(abrid, 4)))
--FROM dbo.ABR_HDR
--WHERE left(abrid, 7) = @ay + @ddo

-- convert @seq_no to string prefix by 0
--SELECT @abrid = @ay + @ddo + right('0000' + rtrim(convert(char(4),@seq_no)), 4)

SELECT @abrid = @ay + UPPER(@ddo)

Insert into dbo.ABR_HDR (ABRID, HDR_MODE, HDR_DDO, HDR_AY, HDR_REQUESTOR, HDR_DT, HDR_SUBJECT, HDR_DESCRIPTION, HDR_STATUS)

SELECT

@abrid,
@mode,
DDO,
AY,
REQUESTOR,
DT,
SUBJECT,
DESCRIPTION,
@status

FROM dbo.Temp_ABR_HDR

SELECT @id = @@identity

return @id
GO

So, the code that sets the sequence number is what is causing the <NULL> value.

Any help is appreciated.
Thanks,
-D-

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Oct 3, 2007

suppose I have the following table grouped by memid

memiddx
3455
3322
3232
433
43434

I want to attach sequence number for each unique value of dx per memid as
below

memiddxSEQ
34551
33222
32323
4331
434342

I am using a cursor right now and it takes a lot of time if my table is large.
Is there a more efficient way of doing this.

Thanks much.

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Jan 11, 2008

is it possible to generate a number sequence in a query (without using loop). I want the output to look as
-------
ID
-------
1
2
3
4
5
6
7
8
9
....
upto the last number I give in the query

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Row Sequence Number

Apr 4, 2006

Hello all,I�m currently using a SQL Serve 2K. Would like to do a selectwhich returns the row number - this should not be physically stored inthe database. So for example, I would like to do a query against theCUSTOMER table and receive:* rowID || name1 Evander2 Ron3 Scoth4 JaneI don�t want to store the ID, because if I change the order byclause, the sequence may modifiy, and, for another example, having thesame set of data, I would receive:* rowID || name1 Scoth2 Ron3 Jane4 Evander could someone help me ?best regards,Evandro

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Sequence No Group Wise

Jul 23, 2005

Hi All,I want to give sequence no group wise, as follows:Section EmpCode-----------------------A 1001A 1003A 1009B 1023B 1030C 1044-----------------------I want to set sequence no. group wise like this for above data.Seq. Section EmpCode------------------------------1 A 10012 A 10033 A 10091 B 10232 B 10301 C 1044----------------------------Suggestion in this regard will be appreciatedThanks in Advance,T.S.Negi

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SQL 2012 :: Fast Way To Do Group By Count On Items Within Group?

May 1, 2014

select top 15 count(*) as cnt, state from table
group by state
order by cnt desc

[code[...

Can the above three queries be combined into one and still be fast, if so how?What i am trying to go is an item count, by group, similar to ones Inbox in Outlook.

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Aug 29, 2001

Hello,

I need to know how to generating a sequence number, for example, from 300,000 to 900,000 without skipping any number due to failure. For example, if user 1 request a number then he/she will get 300000 in a transaction. User 2 will get 300001. How ever user 1's transaction fails, then the next request should get 300000. Is it possible to do this in SQL2K? If so, how do I create a table that and stored procedure that can do this.

Thank you so much.

NK

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Mar 15, 2005

Hi,
I have written the following StoredProcedure

Code:

create Procedure spCreateQuestion(
@QuestionName varchar(30)
)

as

declare @newAnswerId int
declare @newQuestionId int

set @QuestionName='New Question'

BEGIN TRANSACTION Q1

--Creates New QuestionId with AnswerId 0
INSERT INTO Questions(QuestionId,Name,AnswerId)
SELECT 1 + COALESCE(MAX(QuestionId), 0),RTRIM(@QuestionName),0
FROM Questions

--QuestionId just now created
SELECT @newQuestionId=QuestionId FROM Questions WHERE Name=@QuestionName

BEGIN TRANSACTION QA1

--Create an AnswerId
INSERT INTO Answers(AnswerId)
SELECT 1 + COALESCE(MAX(AnswerId), 0)
FROM Answers

--AnswerId just now created(I hope not the best way to do like this)
SELECT @newAnswerId=MAX(AnswerId) from Answers --is it the best way to call statement like this or any other way better than this

--update Questions Table with this new Answerid
UPDATE Questions
set
AnswerId=@newAnswerId
where QuestionId=@newQuestionId

COMMIT TRANSACTION QA1
COMMIT TRANSACTION Q1

I think the second Transaction is not locking the table.so some how i should be
able to get the newly create AnswerId

i can't use the identity column in my tables

Can some one please have a look at it and suggest me how do we go about it..

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Feb 3, 2005

Does anyone know an efficient method for generating a sequence number in the following form?

Starting with 2 columns
1 2
----
A X
A Y
B X
B Y
B Z
C X

I want to then generate a third column as follows:
1 2 3
-------
A X 1
A Y 2
B X 1
B Y 2
B Z 3
C X 1

The purpose being so that I can easily identify the previous row within a Column1 group. So given column1=A and column2=Y I know that the previous row is Column3 - 1 where column1 = A. Therefore I will be able to join to the previous result of any row within any group quickly for future calculations.

Any ideas? Thanks.

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Oct 3, 2007

Hi,
I got stuck with a trivial issue. I have a table named T1 having column as Col1 (INT). I have another table named T2 having columns Col1(Int), COl2(Int). Following are the reacords in my table T1.

Col1
----
1
1
1
1
2
2
3
3
3
3
3
4
5
6
6
7

And I want to migrate the data from T1 to T2 where the Col1 data of T1 will get migrated to Col1 of T1 and after the migration is done the T2 should have the data like this.........

Col1 Col2
---- -----
1 1
1 2
1 3
1 4
2 1
2 2
3 1
3 2
3 3
3 4
3 5
4 1
5 1
6 1
6 2
7 1

Thanks In Advance,
Rahul Jha

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Nov 14, 2007

Hello folks,
I have a table where the records are like followings.

ID Value
---------------
1 aa
1 aa
1 aa
1 bb
1 bb
1 bb
1 bb
1 cc
2 pp
2 dd
2 dd
3 qq
4 aa

I need to include one column "SeqId" which will be having value based on the 1st 2 columns (ID + Value). I am struglling with this since last few days. Can I request you guys to help me out in this reagard.

ID Value SeqId
-----------------------------
1 aa 1
1 aa 2
1 aa 3
1 bb 1
1 bb 2
1 bb 3
1 bb 4
1 cc 1
2 pp 1
2 dd 1
2 dd 2
3 qq 1
4 aa 1

Thanks,
Rahul Jha

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Apr 18, 2008

I have a table like this

create table
#invoice (invoice_no varchar(5), invoice_amount int)

INSERT INTO #invoice
SELECT 'A', 100 UNION
SELECT 'A', 200 UNION
SELECT 'A', 300 UNION
SELECT 'B', 400 UNION
SELECT 'B', 500 UNION
SELECT 'B', 600 UNION
SELECT 'B', 700

Now I want a output like this

INVOICE_NO AMOUNT SEQUENCE_NO
A 100 1
A 200 2
A 300 3
B 400 1
B 500 2
B 600 3
B 700 4

The sequence_no should set back to 1 on change of invoice_no
these are items in a an invoice. they just want a sequence_no

I can do this using cursors, but if anyone can help with WHILE LOOP
would be great

THANKS

-----------------------------------------------------------------------------------------------
Ashley Rhodes

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May 31, 2006

I am newbie to SQL Server 2005.

Can any experts please give me code for how to generate automatic sequence numbers in sql server 2005?

I want to use this generated sequence number as a primary key to update the records.

Thanks in advance,
Vani

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Jan 25, 2008

Hi,
I have an error table that is to be updated by more than one package.
There is a sequence number generated in the error table. It is generated by using the max value of the previous data present in the table.
When more than one package runs parallely, conflict occurs in generating the sequence number.
How can this be handled?

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Oct 6, 2006

How can I create a number sequence starting at a certain number and continue on for the number of records I have.

For example I have 3000 records in my table and a field named I created called RecordId which I'd like to start at number 1 and goto 3000 (or maybe even start at 9000 and goto 12000 or however many records there are).

In my pseudo SQL code Im guessing it would be something like...

select * from Incident

update Incident
set RecordId( i=9000; i<=Number of Records in Table; i++)

Whats the easiest way to do this?

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Why log sequence number gets broken in SQL server?

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Nov 15, 2007

Hi...

I have Sql statement more like this

SELECT row_number() over (ORDER by a.employeeID) as rec_num, a.* FROM EmployeeA a
UNION
SELECT row_number() over (ORDER by a.employeeID) as rec_num, a.* FROM EmployeeB a

rec_num employeeID employeeName employeeDepartment

1 777 Mike HR
2 888 Susy HR
1 111 Smith TECH
2 222 John TECH
3 333 Lenny TECH

How do i get sequence number for all of this records. The rec_num reset for every statement. I want the records numbering for second statement continue from first statement so that it can be like this :

rec_num employeeID employeeName employeeDepartment

1 777 Mike HR
2 888 Susy HR
3 111 Smith TECH
4 222 John TECH
5 333 Lenny TECH

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Mar 27, 2008

Hi,

Does any one have information about how 'large' the SQL Server Sequence Number generator can go,
like 1 to 1 billion, or to 12 zeros, etc?

Thanks.

--John

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Sep 17, 2007

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Aug 8, 2007

Hi all,Ive been trying to figure this out and has proven to be quite difficult for me. Lets say i do a select on all client numbers from a clients table i would want the first available number returned.Given the client table below my query would return 4 because its the lowest number availeble. Thanks. client tableclnum12367

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Oct 12, 2007

Database in:SqlServer builtin interface with VS05
Using:ASP.NET VISUAL STUDIO 2005
I want to create a unique ID that identifies a row.
Id:STU+(SeqNumber) for Student and
Id:EMP+(SeqNumber) for Employee
[Question]:But how can i create sequence number and store it for use like that of ORACLE

Current Idea:Based on registration info if type is student generate STU+seq num and insert to table along with username and other details and if employee like wise.
So a procedure will receive this from user and append that with seqnumber and stores that in the table

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May 18, 2005

Here is my problem:

I have a table with following columns:

PersonID    FirstName    LastName
102    John Ben
103    Josh    Parker
104    Mark    Ben

Now if I type SELECT * FROM Person WHERE LastName = 'Ben' these two records will be displayed

PersonID    FirstName LastName
102 John    Ben
104 Mark Ben

But I want this to return with one additional Sequence column like this:

New Column   PersonID    FirstName LastName
          1

102 John
   Ben
          2

104 Mark
Ben

How can I add this so called "New Column" ?

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Jul 19, 2000

Is there wa way to generate unique sequence numbers in SQL server?
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Apr 9, 2008

:eek:

I'm having a brain not functioning day - well who am I kidding - more like a year :rolleyes:

I need some help with some sequence numbering and cannot even get my head around the logic I want to use, let alone the actual code.

I have a dataset with 3 fields:

Area
ID
RefNo

This table contains a list of employee ID's by Area and each employee has a RefNo (counter) in each area.

The data comes from 2 different sources and is combined in this table. Some employees had no RefNo already assigned to them so I have entered their RefNo as 10000 in order to ensure they are sorted at the bottom of the list.

The ID's that have RefNo's have to keep the one they have. Therefore, I need to create RefNo's for the ones that currently have RefNo 10000.

These numbers I create have to follow on from the highest RefNo for the Area.

For example:

Area ID RefNo
A Z 1
A Y 2
A X 3
A W 10000
A V 10000
B N 1
B O 10000
B P 10000

So, for Area A, ID's W and V would have to be assigned RefNo 4 and 5, and for Area B, ID's O and P would have to be assigned RefNo 2 and 3.

Hope this makes sense to all.

BTW, am using SQL 2000 at the moment.

Thanks in advance for any help!

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Nov 14, 2013

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Mar 28, 2008

Hi all
anbody can help me writing sql code for this. All i need is to generate sequence basing on id_no
Ex: if ID=ABC(twice) in seq_col as abc --1
abc ---2
Tables which I have
Uniques_No ID_NO SEQ
---------------------------------------------
1 ABC
2 ABC
3 ABC
4 BBC
5 BBC

Expected results as below :
------------------

Uniques_No ID_NO SEQ
---------------------------------------------
1 ABC 1
2 ABC 2
3 ABC 3
4 BBC 1
5 BBC 2

Thanks in advance

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