How To Generate Sequence No?
Oct 29, 2007
Dear all,
I'm new in writing t-sql. Now I want to perform the following task:
1) pass a non zero integer to sql procedure, the procedure will select fields from tableA, for example,
if input parameter is 5, the result is (the column seq no is not in tableA, I want to generate sequence no):
seq no Customer code Customer name
------------------------------------------------------------------
6 abcde Peter
7 efghi John
8 jklmn Mary
:
etc
How to do this?
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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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Mar 20, 2007
helen writes "I have a sql table:
NAME AGE
Anna 10
Susan 5
Dina 12
Please help me to come up with a QUERY STATEMENT with this result:
SEQNO NAME AGE
1 Anna 10
2 Susan 5
3 Dina 12 "
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Apr 20, 2015
Requirements
•ALPHANUMERIC FORMAT – > AA00AA00………..ZZ99ZZ99
Last 8 bytes will alternate between 2 byte alpha/2 byte numeric
•Generate from Alphabets – A through Z Numbers -0 to 9
•Generate Unique Sequence (No Duplicates).
•Must Eliminate letters I and O
Output Expected
•AA00AA00………..ZZ99ZZ99
•Using 24 alphabets & 10 digits ,
24*24*10*10*24*24 = 3 317 760 000 records
Below is my Sql Function -
CREATE function [dbo].[SequenceComplexNEW]
(
@Id BIGINT
)
Returns char(8)
AS
BEGIN
DECLARE @OUT AS CHAR(8)--,@Id as Bigint
[Code] ....
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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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Sep 3, 2014
I'm trying to do a simple insert into a table, something like this:
insert into sometable (ID, somecolumn)
select 'Task-ID', somevalue from SomeOtherTable
where something = 'someothervalue'
(or something to that effect)
So, the SELECT would generate something that looks like this:
ID somecolumn
-- ----------
Task-ID somevalue1
Task-ID somevalue2
Task-ID somevalue3
(etc.)
Here's where my problem comes in: ID is a PK, and needs to be unique. What I need it to do is this:
ID somecolumn
-- ----------
Task-ID.1 somevalue1
Task-ID.2 somevalue2
Task-ID.3 somevalue3
(etc.)
What I don't know is, how do I programatically generate the number sequence? Note: I do not have admin rights to the table, i.e. I cannot just change a column to IDENTITY.
Also the 'Task-ID' must remain part of the ID; in other words, I can't just generate a GUID, and it needs to be easily identifiable.
What I'm hoping to do is rewrite my SQL like this:
insert into sometable (ID, somecolumn)
select 'Task-ID.' + (generated seq #), somevalue from SomeOtherTable
where something = 'someothervalue'
Is there an easy way to do this?
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Apr 20, 2015
GENERATE 8 CHARACTER ALPHANUMERIC SEQUENCES
Requirements
• ALPHANUMERIC FORMAT – > AA00AA00………..ZZ99ZZ99
Last 8 bytes will alternate between 2 byte alpha/2 byte numeric
• Generate from Alphabets – A through Z Numbers -0 to 9
• Generate Unique Sequence (No Duplicates).
• Must Eliminate letters I and O
Output Expected
• AA00AA00………..ZZ99ZZ99
• Using 24 alphabets & 10 digits ,
24*24*10*10*24*24 = 3 317 760 000 records
Below is my Sql Function -
CREATE function [dbo].[SequenceComplexNEW]
(
@Id BIGINT
)
Returns char(8)
[Code] .....
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Mar 3, 2008
Hello everybody,I was configuring a SqlDataSource control using SQL Authentication mode.I first added a database file (testdb.mdf) through Solution Explorer-Add New Items. Then through Database Explorer I created a table named "info"Then while configuring the SqlDataSource control I used the SQL Authentication mode and attached the "testdb.mdf" database file.Test Connection showed success. But when I hit the Ok button of the wizard it displayed the following error message:Failed to generate a user instance of SQL Server. Only an integrated connection can generate a user instance.While configuring the SqlDataSource control I clicked "New Connection". Under Data Source section I tried both Microsoft SQL Server and Microsoft SQL Server Database File. And in both the cases I attached a databese file(testdb.mdf). Plz enlighten me on this.Thanks and Regards,Sankar.
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Feb 6, 2004
Hi,
How can I generate a sequence No. using a simple SELECT statement.
like
declare @key
set @key = 1
SELECT @key, e.name from Employee
Now I want to display name of the employee and Key value which should get incremented automatically for each employee..
Is there any way?
Please help me..
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Dec 18, 2007
hi
i've been asked to write a sql sequence for a database i'm building but i haven't been using SQL very long and i have no idea how to write a sequence. Does anyone know anything about sql sequences?
thanks
jessica
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Jul 20, 2005
Hi,I need little help with Ms SQL Server 2000. I would like to know how tocreate sequence or something like that. I want to have an automatic counterfor each row in one entity, so then I can do something like this:INSERT INTO table VALUES (use sequence(something), value, value, .... )Can you please help me?thxTomas
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Apr 9, 2007
I have a SQL 2005 stored procedure to generate an email when passed parameters such as receipient, subject etc
One of the paramteres passed to it is @body which is the body text of the message. I want to be able to add a couple of blank lines and then some footer information. This is working right now except I can't find the right way to add newlines into the string within the store procedure, so my footer information just tags right on after the bodytext.
I have tried but that literally adds the two characters and n
Can anyone advise how to generate newlien sequences in T-SQL.
Regards
Clive
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Apr 27, 2008
Hi all.
In one table fields vales are 9, 5, 7, 2, 5, 6, 44, 67, 789.
I want to get 5 high values so please can you write sql query for this question.
Thanks.
Zahyea.
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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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Jul 16, 2001
Hi,
I would like to know how it is possible to create a sequence with sql server 2000
With Postgres SQL i create the sequence essai : create sequence essai START 1;
but i don't know what is the sql command.
Thanks in advance.
Marie
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Sep 1, 2004
Hi,
I have a question with this query -
SELECT * FROM table1 WHERE column1 = 'T_C_%';
This query returns rows where column1 = "T_Care", "T_CRP" etc etc, whereas I was expecting only rows where column1 = "T_C_Tail", "T_C_Head"
However, when I use an escape character(/), the results are more in the lines of the expected results.
Can somebody explain this?
cheers/- Pradeep
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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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Feb 1, 2007
Hi,
I am migrating a project from Oracle to SQLServer and must use the same DDL.
The entities have compound primary keys. In Oracle I ensure the compound key is unique by using a sequence table to generate one of the values for the compound key.
Does SQL Server have sequence tabels or does anybody know a way to get it do something similar?
Thanks
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Apr 27, 2007
Hi,
How do I determine the max value for Sequence table in SQL Server?
Regards
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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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Oct 16, 2014
I am not sure about the ANSI/ISO rules on this? We have a SEQUENCE and insert it into a table.
CREATE SEQUENCE Cheque_Seq
AS INTEGER
START WITH 1
INCREMENT BY 1;
CREATE TABLE Cheque_Book
(cheque_seq INTEGER*NOT NULL PRIMARY KEY,
cheque_amt DECIMAL (15,2) DEFAULT 0.00 NOT NULL);
If I do an insertion with the SEQUENCE in a transaction and then ROLLBACK the transaction, what happens to the sequence value? My thought is that the value should reset to the state it was in before the transaction (basic definition of a ROLLBACK). But it does not in the products I have looked at.
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Apr 4, 2008
Hi SqlGurus,
I have created table T1 as
created table t1 (no int not null primary key,name varchar(30))
i have created a sequence for this table
when i give the following insert statement
insert into t1 (name) values ('xyz')
the next sequence val should be inserted in column no
this is done generally in oracle with before trigger
how about here .Can we do this ?
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Mar 10, 2006
Hi
I need to create a function that will return a sequence number. The reason I need this to be a function is that I will use the function to create a view. In Oracle I would do something like this:
create sequence seq;
create or replace function f return number
as
l_seq number;
begin
select seq.nextval into l_seq from dual;
return l_seq;
end; /
create or replace view v as select f from dual;
Since Sql Server does not have a sequence object I have created a sequence table with a identity column and a procedure that inserts a dummy variable and returns the identity id. This works ok but to get my sequence number I must declare a variable, execute the procedure and select the return value.
I need the procedure to be a function so that I can use it to create my view. Since I cannot use DML in a function and I cannot call a procedure from a function I am stuck. Do I have to create an extended procedure ? Any help is appreciated
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Mar 28, 2007
hey all,
im having some problem to do this. i have this one table, that has sequence for other table.
table : tblpicksequence (this sequence is dynamic eg : Non=1, cons=2, RET=3)
picktypepicksequenceitemref
RET1x1
Non2x1
Cons3x1
i need to select record from other table depend on tblpicksequence sequence
table : tbldetail
idRETNonCons
1001
2110
3100
4 001
so base on tblpicksequence, RET=1, NOn=2, Cons=3, i need to list the record from tbldetail :-
i.list all RET=1
ii.if (i) not exists list all Non=1
iii.if (ii) not exists list all Cons=3
i expect :-
idRETNonConspicksequencepicktype
21101RET
31001RET
~~~Focus on problem, not solution~~~
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Nov 5, 2007
I'm looking for a query that will look at an Id field and if it occurs more than once then returns the count of the times it occurs. For Example,
ID Code GetSequence
4 239 1
4 241 2
4 3243 3
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Dec 26, 2007
Hello to every body
I need to know about sequence of execution in a select command.
I have a sql command that use a function.some thing like:
select id, function(item)
from tbl
where conditions...
I want to know that if my function on item execute before where section or vise versa.
I try to explain it more. I want to know that sql engine fetch rows accordin to where clause and then execute my function or execute my funtion and then fetch the rows according to where clause.
If you have a document or some thing that explain about sql engine and sequence of execution please let me know.
Your help is really appriciated.
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Jan 23, 2008
Hi,
I have a table in which there is 5 column ...one with numbers like...1,2,3,4,..20...and one column is with description....and other column with other details...
Now I want to disply my results in sequence followed by 1,2,3,4,5,17,18,15,16,10,11,20 with all other columns...so can anybody suggest me what to do..?
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Feb 5, 2008
hi all,
how to restore Transactional log files in Sequence,
Restore log Db_name
from disk='d:ackup_name.trn'
...
pls required syntax for it
thanx for any help
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Mar 15, 2008
Guys,
I have to generate sequence for distinct group of values for example
intially seq is set to 1 through out the table
categorydescidseq
__________________________________
AccountingAccounting61
AccountingAccounting72
AccountingFinal81
AccountingFinal92
AddendumAddendum 101
Is there any way to accomplish this?
Any suggestions and inputs would help
Thanks
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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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Jun 19, 2006
Hello,Since SQL Server has no sequence generator, I wrote my own. (I claimno ownership of it as it is closely modeled after earlier discussionson this topic.) I have included the sql statements below.While it works independently on its own, It seems to lock in multi-userenvironments or in nested-transactions. It s funny really: I have mymain transaction, but the sequence generator below forces anothertransaction, which I do not really care for. I cannot remove the extratransaction from the sequence generator because I would like to discardany values it retrieved, regardless of whether the main transactionsucceeded or failed.Any suggestions?--------------------------------------------------------------------------------create table my_sequence (name varchar(10), seq int identity (1, 1))godeclare @next intbegin transactionupdate my_sequence set seq = seq + 1 where name = 'abc';select @next = seq from my_sequence where name = 'abc';commit transaction---------------------------------------------------------
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