Sequence Numbers In Sql Server
Mar 25, 2004
Is is possible to Generate sequence numbers in a Query result in an SQL select Statement
like
Select sno,employee_name from empmaster
sno being a number with auto increments(this Field will not be in a Table).
I do not want to use Identity .....
This is Just to Provide a Serial Number to the Query Output...
thus the Out put should be something like
sno employeename
--- ------------------
1 abc
2 jhjk
3 kljl
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Sep 3, 2014
I have a Contact table where I enter a "Parent" (Mother or Father) with IsSubscriber = 1. I also enter all of their children in this same table, with IsDependent = 1.
I then have a Relationship table that relates each child to the appropriate parent record in the Contact table.
I need to assign a sequence number to each child ONLY if they were a multiple birth (twins, triplets, etc.; all have the same DOB). I've been successful at writing a query using ROW_NUMBER(), but it includes the single births (no other child of the same parent has the same DOB).
Stripped down version of Tables and Data and my failed attempt to write a query to do what I want:
IF OBJECT_ID('TempDB..#Contact','U') IS NOT NULL
DROP TABLE #Contact
CREATE TABLE #Contact (
ContactId INT IDENTITY(1,1) PRIMARY KEY CLUSTERED
, IsSubscriber BIT
[Code] ....
This is as close as I can seem to get.
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Sep 8, 2012
I have the following data in a table:
Account SEQ
12345 1
12345 2
12345 4
12345 5
12345 7
I need to fix the SEQ field so that no gaps exist, like this:
Account SEQ
12345 1
12345 2
12345 3
12345 4
12345 5
Is there a way to do this with T-SQL?
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Jun 25, 2007
hi all
I am stuck with something that seems easy but im obviously clueless as how to execute the idea.
I have a custom table that houses invoices on the details level. So for example i have:
InvcNo
00000001
00000001
00000001
00000002
00000002
00000003
and so forth
What I am wanting to do in another column is keep track of the sequence number for each distinct invoice like:
SeqNo
1
2
3
1
2
1
I am working in a stored proc and i cant get past adding the numbers up at each line as a whole and not reseting when the next invoice number is present. Any help would be so greatly appreciated.
Thanks
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Dec 4, 2007
Hi,
What transformations can be used to generate sequence numbers in a data flow?
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Oct 11, 2007
I have a procedure which updates a sequence number in a table such as the one below.
Seq Sequence_Id
------ ------------------
NextNum 1
This is the procedure ...
create procedure DBO.MIG_SYS_NEXTVAL(@sequence varchar(10), @sequence_id int)
as
begin
update mig_sys_sequences
set
@sequence_id = sequence_id = sequence_id + 1
where
seq = 'CSN'
return(@sequence_id)
end
The purpose of this is to generate a sequential number each time the procedure is called. This number would then be used in a number of different tables to allocate a unique id so that the id is unique across the different tables.
1). What is the most efficient way of allocating these unique ids? The tables that I plan to update will already be populated with data.
2). How would I call the above procedure from an UPDATE statement?
Many thanks,
Fred
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Jun 29, 2015
I have a table which has two column like following table and I don't know how can I update theses two column with identity numbers but just the fields which are equal 111.
my example table:
numez numhx
111 111
111 111
0 111
111 0
111 0
and my results should be:
numez numhx
1 2
3 4
0 5
6 0
7 0
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Oct 7, 2015
If Exists ( Select c.name from sys.columns c where object_id = object_id('HH835HP') and C.name = 'ID_1' )
Begin
UPDATE HH835HP
SET ID_1 =
( select ROW_NUMBER() OVER(ORDER BY CHKDTS ASC) AS ID_1 FROM HH835HP ) ;
End;
Obviously... The stuff inside the IF is wrong syntax...I mean
UPDATE HH835HP
SET ID_1 =
( select ROW_NUMBER() OVER(ORDER BY CHKDTS ASC) AS ID_1 FROM HH835HP ) ;
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Oct 8, 2015
The following works just fine. The table tmpMHPCLMDET does have a column ADMTDT ( varchar(8) ).
While I am adding the sequence of numbers I like it to be sorted based on ADMTDT column.
What that means is the row with the earliest ( smallest ) ADMTDT will get 1 and the next 2 and so on.
Declare @ID int
If Exists ( Select c.name from sys.columns c where object_id = object_id('tmpMHPCLMDET') and C.name = 'ServiceLineID' )
Begin
--Adding a sequence of numbers to the ServiceLineID column.
SET @id = 0
UPDATE tmpMHPCLMDET
SET @id = ServiceLineID = @id + 1;
End;
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Jun 29, 2015
I have a question in SQL server. For example I have a table which has two column like following table and I don't know how can I update theses two column with identity numbers but just the fields which are equal 111.
Example table:
numez numhx
111 111
111 111
0 111
111 0
111 0
and my results should be:
numez numhx
1 2
3 4
0 5
6 0
7 0
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Jul 29, 2015
In a t-sql 2012 sql update script listed below, it only works for a few records since the value of TST.dbo.LockCombination.seq only contains the value of 1 in most cases. Basically for every join listed below, there should be 5 records where each record has a distinct seq value of 1, 2, 3, 4, and 5. Thus my goal is to determine how to add the missing rows to the TST.dbo.LockCombination where there are no rows for seq values of between 2 to 5. I would like to know how to insert the missing rows and then do the following update statement. Thus can you show me the sql on how to add the rows for at least one of the missing sequence numbers?
UPDATE LKC
SET LKC.combo = lockCombo2
FROM [LockerPopulation] A
JOIN TST.dbo.School SCH ON A.schoolnumber = SCH.type
JOIN TST.dbo.Locker LKR ON SCH.schoolID = LKR.schoolID AND A.lockerNumber = LKR.number
[Code] ....
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May 9, 2006
Hi,
I would like to know different possible ways in appending extra values like new uniqueidentifiers, sequence numbers, random number. Can you please tell what type of data flow components helps us ?
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Jun 15, 2015
I have a database that has entries that I want sorted by date order. Each entry has an auto ID number allocated (primary key auto sequencing), which I want to change to reflect the sorting (so the first date has the first auto ID number and so on).I've gone into the database and sorted the entries as I want them. Then I've gone into Design View to delete and restablish the primary key autosequence. However, it is not keeping the date order in the database (ie entry ID 3140 date is 12/06/2015, but 3141 is 02/02/2012). How do I get it to maintain the order?
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Feb 1, 2007
I have a report with a column which contains either a string such as "N/A" or a number such as 12. A user exports the report to Excel. In Excel the numbers are formatted as text.
I already tried to set the value as CDbl which returns error for the cells containing a string.
The requirement is to export the column to Excel with the numbers formatted as numbers and the strings such as "N/A' in the same column as string.
Any suggestions?
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Jul 20, 2005
Why does M$ Query Analyzer display all numbers as positive, no matterwhether they are truly positive or negative ?I am having to cast each column to varchar to find out if there areany negative numbers being hidden from me :(I tried checking Tools/Options/Connections/Use Regional Settings bothon and off, stopping and restarting M$ Query Analyer in betwixt, butno improvement.Am I missing some other option somewhere ?
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Mar 11, 2008
I have a table with a column ID of ContentID. The ID in that column is all NULLs. I need a way to change those nulls to a number. It does not matter what type of number it is as long as they are different. Can someone point me somewhere with a piece of T-SQL that I could use to do that. There are over 24000 rows so cursor change will not be very efficient.
Thanks for any help
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Feb 21, 2007
I have an 'ID' column. I'm up to about ID number 40000, but not all are in use, so ID 4354 might not be in any row. I want a list of all numbers which aren't in use. I want to write something like this:
select [numbers from 0 to 40000] where <number> not in (select distinct id from mytable)
but don't know how. Any clues?
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Mar 27, 2007
I'm trying to write data to excel from an ssis component to a excel destination.
Even thought I'm writing numerics, every cell gets this error with a green tag:
Convert numbers stored as text to numbers
Excel Cells were all pre-formated to accounting 2 decimal, and if i manually type the exact data Im sending it formats just fine.
I'm hearing this a common problem -
On another project I was able to find a workaround for the web based version of excel, by writing this to the top of the file:
<style>.text { mso-number-format:@; } </style>
is there anything I can pre-set in excel (cells are already formated) or write to my file so that numerics are seen as numerics and not text.
Maybe some setting in my write drivers - using sql servers excel destination.
So close.. Thanks for any help or information.
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Oct 7, 2006
Hi, I'm new to sql server but have used oracle sequence numbers to create unique keys in my tables. I've been looking for examples on how to create a sequence type table in sql server and have also found that there is a column called identifier but am unsure how to use this... I created a table and used this column attempting to insert (thinking it would autoincrement) but it fails... Any insight into how I can accomplish a sequence type activity for unquie numeric ids would be helpful, Thank you for your help,Jay
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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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Jun 2, 2008
In oracle, I can setup a sequence generating unique ids and query the next value (which is used as a unique identifer). I know sql server has the identity field but I need to query the next val so I can insert rows into multiple tables.
When a user submits a form, I want to take the dept info from the form (in c# asp.net 2.0) and grab the first two characters. Then query the next val from a table that holds an int.. During insert into two tables it would be something like "IT100" or "SL101". But it needs to be unique.
Is there a way to setup a table in sql server similar to a sequence where I can just query the next val (or some other way?). Remember, I cant do this as identity because I need the key being inserted in other tables during form submit.
It seems very simple but I can't seem to find an answer online that allows me to query the next val in my code then perform the multiple inserts.
Thanks in advance for any assistance you can lend on this,
dev1aspnet
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Aug 13, 2006
In ORACLE 9i, I created the table test that show the tree structure of an organizaion with the following SQL statement:
CREATE TABLE TEST(
PARFOLDERNO NUMBER(8,0),
FOLDERNO NUMBER(8,0)
)
And select the data using the following SQL Statement:
SELECT PARFOLDERNO,FOLDERNO FROM TEST
The result is:
PARFOLDERNO FOLDERNO
0 2461
2461 2463
2461 2462
2462 2465
2462 2466
2463 2469
2463 2470
To show the subnodes of the root node 2461, the following SQL Statement is used:
SELECT PARFOLDERNO,FOLDERNO FROM TEST START WITH FOLDERNO=2461 CONNECT BY PRIOR FOLDERNO=PARFOLDERNO
the results:
PARFOLDERNO FOLDERNO
0 2461
2461 2463
2463 2469
2463 2470
2461 2462
2462 2465
2462 2466
I have created the table test with the same structure and the same data in SQL Server 2005. To show the subnodes of the root node 2461, the following SQL Statement is used:
WITH CTE_TEST(PARFOLDERNO,FOLDERNO)
AS
(
SELECT PARFOLDERNO,FOLDERNO FROM TEST WHERE FOLDERNO=2461
UNION ALL
SELECT TEST.PARFOLDERNO,TEST.FOLDERNO FROM TEST, CTE_TEST
WHERE TEST.PARFOLDERNO=CTE_TEST.FOLDERNO
)
SELECT PARFOLDERNO,FOLDERNO FROM CTE_TEST
PARFOLDERNO FOLDERNO
02461
24612463
24612462
24622465
24622466
24632469
24632470
The results are shown again in Oracle 9i and SQL Server 2005 as follwos:
Oracle 9i SQL Server 2005
PARFOLDERNO FOLDERNO PARFOLDERNO FOLDERNO
0 2461 0 2461
2461 2463 2461 2463
2463 2469 2461 2462
2463 2470 2462 2465
2461 2462 2462 2466
2462 2465 2463 2469
2462 2466 2463 2470
How can I get the result with the same sequence in SQL Server 2005?
Thanks!
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Dec 12, 2012
I've started using a SEQUENCE in a table instead of an identity.
I seem to be experiencing problems of the sequence getting reset to a lower value periodically. Inserting will work on the table, producing the next bigint in the sequence as the primary key, for days and then all of the sudden duplicate primary key errors show up. When I check, the last primary key value in the table is higher than the current value of the sequence.
For example: right now I have primary key values 6000 through 7032 contiguously in the table, all of which were generated with the sequence. Suddenly I'm getting duplicate primary key errors. A quick check of the sequence shows it's at 7002, but the last inserted row has a primary key of 7032!
I'm populating this table in one place (in the application layer), leaving the primary key null, which allows the default constraint to get the next sequence.
When the problem shows up, I've reset the sequence to the higher number in the past and all is well for many days, then the problem occurs again.
The definition for the sequence is:
CREATE SEQUENCE [dbo].[IntegrationQueueSEQ]
AS [bigint]
START WITH 1
INCREMENT BY 1
MINVALUE 0
MAXVALUE 9223372036854775807
CYCLE
CACHE 50
The default constraint for the primary key on the table is defined as:
ALTER TABLE [dbo].[IntegrationQueue] ADD CONSTRAINT [DF_IntegrationQueue_IntegrationQueueID] DEFAULT (NEXT VALUE FOR [dbo].[IntegrationQueueSEQ]) FOR [IntegrationQueueID]
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Feb 21, 2014
I need to be able to identify breaks in a sequence so I can evaluate the data more correctly. In the sample I have given I need to be able to identify the break in sequence at 69397576, ideally I would set that as a D. My query also needs to recognize that the 3 sequences following 69397576 are sequential and would belong to that set. so the out come would look like this.
id file_name page_follow
693975631555557564_22222221114014810D
693975641555557564_22222221114014810F
693975651555557564_22222221114014810F
693975661555557564_22222221114014810F
693975671555557564_22222221114014810F
693975681555557564_22222221114014810F
693975691555557564_22222221114014810F
693975761555557564_22222221114014810D
693975771555557564_22222221114014810F
693975781555557564_22222221114014810F
693975791555557564_22222221114014810F
here is some test data.
create table test1 (id INT
, [file_name] VARCHAR(100)
, page_follow CHAR(1));
go
[code]....
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Jul 6, 2015
I have the following table struction, lets call it table A.
bookidstartdate endate
2001 2000-01-01 2000-01-05
3001 2001-01-01 2001-01-02
4001 2002-01-01 2002-01-04
and i want the end result to be look like this in table B.
bookidstartdate endate bookidrowdate bookidlogseqrowsequence
2001 2000-01-012000-01-05 2000_01_01 2001_0 0
2001 2000-01-012000-01-05 2000_02_01 2001_1 1
2001 2000-01-012000-01-05 2000_03_01 2001_2 2
2001 2000-01-012000-01-05 2000_04_01 2001_3 4
3001 2002-02-01 2003-02-02 2000_01_01 3001_0 0
3001 2002-02-01 2003-02-02 2000_02_01 3001_1 1
4001 2002-01-01 2002-01-04 2002-01-01 4001_0 0
4001 2002-01-01 2002-01-04 2002-02-01 4001_1 1
4001 2002-01-01 2002-01-04 2002-02-01 4001_2 2
The script below works but i have a break when datediff (days,startdate, endate) reaches 0. For every bookidm i want to iterate till the datediff is zero then move on to next bookid and do the same thing.
declare @orders table
(
bookid int,
startdate date,
endate date,
rowsequence int
[Code] .....
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Jul 29, 2015
I'm looking to see if there is a way to populate starting number for the sequence from a max value of a table.
CREATE SEQUENCE test_seq
AS [int]
START WITH (select max(col1)+1000 from table1)
INCREMENT BY 1
MINVALUE 1
MAXVALUE 2147483647
CACHE
GO
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Nov 30, 2006
hi,1. is there a statement in ms sql, what creates a sequence? cant findanything in web :-(-oracle: CREATE SEQUENCE XYZ INCREMENT BY 1 START WITH 1 NOCYCLECACHE 20;-ms sql: ???2. hwo do i create a link to another ms-sql databasethx a lot need help, urgend :-)
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Jun 14, 2015
I am designing a database. I want to define a automatic sequence on a table primary key field. what is the best solution for it?I know I can enable identity property for a field, but it has some problems ( for example its seed jumps on restart and unsuccessful events).I also can use some calculated sequences. for example I can calculate max of the filed values and after incrementing use it as key for new inserted record.
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Mar 20, 2014
Create Table Sample (ID int not null primary key, RefID int , SeqNo int , Name varchar(10) )
insert into Sample
select 1, 1000, 1, 'Mike'
union
select 2, 1000, 2, 'Mikey'
union
select 3, 1000, 3, 'Michel'
union
select 4, 1001, 1, 'Carmel'
union
[code]....
select * from SampleI have here sample data given. What I want to do is, I want to check the RefID which is not having proper order of sequence number. If you see the RefID 1000, 1001 they are having properly sequence order in SeqNo field. But it is not in RefID 1002. RefID 1002 does not have proper order. It is because user has deleted a row which was having seqno 2. So i want to get what are all the RefID's are not having properly sequenced. So that I would be able to know these are all the RefID's are affected by delete statement that was done by user.
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Aug 4, 2014
We are running SQL Server 2012 on Windows Server 2008. Just wondering what type of actions would break the backup-chain or backup sequence? For instance, if you have tlog backups being taken every 10 minutes and you stop the SQL Server Service for say 30 minutes. Would this action break the backup chain? Or would everything return to normal once the SQL Server Service is restarted?
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Apr 13, 2015
We are trying to upgrade a SQL server 2000 to a SQL 2008 R2 (SP1) server. After migrating, the developer test code, and got an error: ERROR [HY010] [Microsoft][ODBC SQL Server Driver]Function sequence error...But this is a release for 2008, ours is already 2008 R2 SP1, so that hot fix should already be included since it is always cumulative.
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Apr 27, 2015
Write the query that produces the below results. I'm not ale to join the two sets in a way so that it displays NULLs if no purchase was made on a given day for a particular product. I need NULLs or s so that it shows up correctly on my SSRS report.
-- declare @from DATE='2015-1-5',@to DATE='2015-1-10'
-- test data
;with testdata as(
SELECT 1 AS Id,'1/6/2014' AS Date, 21 As Amount UNION ALL
SELECT 1 ,'1/8/2014', 25 UNION ALL
SELECT 1 ,'1/9/2014', 30 UNION ALL
SELECT 1 ,'1/10/2014', 60 UNION ALL
SELECT 1 ,'1/5/2015', 3800 UNION ALL
SELECT 1 ,'1/6/2015', 7120 UNION ALL
[code]....
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Jun 21, 2015
So, I have some questions about best practice in SQL Server.
1.) I have PK like this (company TINYINT, store TINYINT, action TINYINT, invoice INT, sn SMALLINT). I know JOINS will work faster with surrogate key but I have only couple of JOINS on that table. I use members of PK in WHERE clause mainly, alone and combined for reporting purpose. Is it always better to have surrogate key because they don't have any meaning and context of data laying in current PK.
2.) In my PK from above I have two candidates for using Sequence object. Invoice start with 1 for every (company,store,action) combination. Sn start with 1 for every (company,store,action,invoice) combination. I would like to know can I implement Sequence object here knowing that Sequence don't support PARTITION BY in OVER clause. From what I red it cannot be done via Sequence but I have to ask.Here is data sample for this PK
company store action invoice sn
----------- ----------- ----------- ----------- -----------
1 1 1 2017 1
1 1 1 2018 1
1 1 1 2019 1
1 1 1 2019 2
1 1 1 2019 3
1 1 2 1 1
1 1 2 2 1
1 1 2 2 2
1 1 2 2 3
1 1 2 3 1
1 1 2 3 2
1 1 2 3 3
1 1 2 3 4
1 1 2 3 5
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