How To Join Two Tables Having No Common Coloumns And Having No Primary Key Fields In Any Of The Table
Apr 14, 2008
hi friends i am reading a csv file and storing the data in table i have created the tables like this:
coloumn names datatype constraints
start_date_time varchar(50) allownull = true
ani varchar(50) allownull=true
dialed_digit varchar(50) allownull=true
actual_dur varchar(50) allownull=true
rounded_dur varchar(50) allownull=true
cost varchar(50) allownull=true
and the second table as
coloumn names datatype constraints
country varchar(50) allownull = true
code varchar(50) allownull=true
rate/min varchar(50) allownull=true
now i want to relate and join the table so that i can create a view with the following coloumns such as
start_date_time, dialed_digits, rounded_digits, cost, country, code,rate/min so can any body help me please i have tried outerjoin but it gave me rudundant data so please help me plz its urgent...
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Jan 27, 2014
I have a table activity which show the activities of the site. An activity could be related with no other entity or it could be related with an account, or with a contact or with an opportunity. An opportunity and a contact could be also related with an account.
My problem is that I need to show the activity and the related account (if there is any) but because the relationship with an account could be done by different ways, I dont know how to do it without join the account table several times.
This is my current query:
SELECT AC.IdActividad, CU.idcuenta
FROM Actividades AC LEFT JOIN Tareas TA ON TA.IdActividad = C.IdActividad
LEFT JOIN ActividadesXCuenta AXC ON AC.IdActividad = AXC.IdActividad LEFT JOIN dbo.Cuentas CU ON axc.IdCuenta = CU.IdCuenta
LEFT JOIN dbo.ActividadesXOportunidad axo ON AC.IdActividad = axo.IdActividad LEFT JOIN dbo.Oportunidades o ON axo.IdOportunidad = o.IdOportunidad LEFT JOIN dbo.Cuentas CU1 ON o.IdCuenta = CU.IdCuenta
LEFT JOIN dbo.ActividadesXContacto axco ON AC.IdActividad = axco.IdActividad LEFT JOIN dbo.Contactos con ON axco.IdContacto = con.IdContacto LEFT JOIN dbo.Cuentas CU2 ON o.IdCuenta = CU.IdCuenta
As you see, I have the table Cuenta joined 3 times. That means that I need to put the ActivityID field 3 times but based on how the report was developed, I could not do that.
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Sep 1, 2014
Looking to improve performance of the following code.
It basically generates future days for each dog. So there is a dog table and a day table with every day.
These 2 table cross join and then fill in missing rows. As time moves i will fill in further future dates but will need the initial insert to be a reasonable query.
All columns are covered by index's but the queries at the end take quite a long time. I would hope for index scan to just point out the missing rows especially on the final query.
How to make the last query as fast as possible.
IF OBJECT_ID('dbo.[AllDates]', 'U') IS NOT NULL
DROP TABLE dbo.[AllDates]
CREATE TABLE dbo.[AllDates] (
[Date] date not null PRIMARY KEY
)
;WITH Dates AS
[Code] .....
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Apr 15, 2008
hi friends i am new to this forum and to the tech. also , i am reading a csv file and storing the data to the table of sql server 2005 database but the problem is i cannot join both the tables because both the tables doesnot have common cols and ther is no primary key field in any of the coloumn i have tried the sql query but i didn't got the desired output so could anyone help me please see the sql query of mine is like this:
SELECT dbo.table1.country, dbo.table1.code, dbo.table1.rate_min, dbo.table2.start_date_time, dbo.table2.rounded_dur, dbo.table2.cost,
dbo.table2.dialed_digits
FROM dbo.table1 INNER JOIN
dbo.table2 ON dbo.table1.code = SUBSTRING(dbo.table2.dialed_digits, 1, 2) OR
dbo.table1.code = SUBSTRING(dbo.table2.dialed_digits, 1, 3) OR
dbo.table1.code = SUBSTRING(dbo.table2.dialed_digits, 1, 4) OR
dbo.table1.code = SUBSTRING(dbo.table2.dialed_digits, 1, 5) OR
dbo.table1.code = SUBSTRING(dbo.table2.dialed_digits, 1, 6)
please help me its urgent
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Jan 29, 2004
Hello-
I have a sql query that I am using to populate a datagrid. The problem is one of the tables is a month table. and the other tables are full of data. So there is no common column name to match using a inner join "on".
How do i do this?
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Jan 6, 2012
I would like to know if SQL Server creates automatic index on the used tables' common fields.
For example:
Code:
CREATE VIEW [dbo].[ORMAN]
AS
SELECT dbo.PARSEL.OBJECTID, dbo.PARSEL.ADAPARSEL, dbo.PARSEL.ORMANADI, dbo.PARSEL.MULKIYET, dbo.PARSEL.ALAN, dbo.PARSEL.YERKOD,
dbo.PARSEL.UYG_KAN, dbo.PARSEL.KomNo, dbo.PARSEL.KadKan, dbo.PARSEL.Mescere, dbo.PARSEL.ACIKLAMA, dbo.PARSEL.URETIM_YONTEMI,
[Code] .....
On the above view example, if table PARSEL has 1 million records do I have to create an index for PARSELDURUM or when I create a view does SQL server create automatic virtual index?
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Mar 2, 2008
i have been trying to determine which is the most efficient, with regards to speed and efficiency, between a view and a common/nested table expression when used in a join.
i have a query which could be represented as index view or a common table expression, which will then be used to join against another table.
the indexed view will use indexes when performing the join. is there a way to make the common table expression faster than an indexed view?
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May 22, 2007
Hi All
I hope someone smart can help me, it would be highly appriciated.
I am developing an SQL Serverdatabase and in on of the tables I need the primary key to consist of two pieces of data.
TblOrders: OrderNum, Orderdate, ....
TblDispatchers: DispatcerID, Dispatcher, DispatcherAddress
The OrderNum field in TblOrders need to be a composite of an AutoNum-field (incrementet by 1) and the DispatcerID from the tblDispatchers.
Can this be done, and how.
Many thanks
Kind regards
Tina
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Feb 20, 2008
How can I create a Table whose one field will be 'tableid INT IDENTITY(1,1)' and other fields will be the fields from the table "ashu".
can this be possible in SQL Server without explicitly writing the"ashu" table's fields name.
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Aug 27, 2014
So if an item is a bottle, it will have a unique BottleKey and Null for CaseKey and if an item is a Case, it will have a unique CaseKey and Null for BottleKey. However, the PrimaryIDs are the same for both the bottle and case. I get the results to look like this:
Bottlekey CaseKey PrimaryID
4754 NULL ABC-234
NULL 5465 ABC-234
.... .... .......
Is there a way to get the result sorted by Primary ID?
So that the rows are halved from what we have in the table above and the results look like
PrimaryID CaseKey BottleKey
ABC-234 5465 4754
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Apr 21, 2015
I want to compare two tables and log the difference in new table with the fields as (old value,new value, column name). The column name should be the changes value column.
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Jun 18, 2007
I have a sql sever 2005 express table with an automatically incremented primary key field. I use a Detailsview to insert new records and on the Detailsview itemInserted event, i send out automated notification emails.
I then received two automated emails(indicating two records have been inserted) but looking at the database, the records are not there. Whats confusing me is that even the tables primary key field had been incremented by two, an indication that indeed the two records should actually be in table. Recovering these records is not abig deal because i can re-enter them but iam wondering what the possible cause is. How come the id field was even incremented and the records are not there yet iam 100% sure no one deleted them. Its only me who can delete a record.
And then how come i insert new records now and they are all there in the database but now with two id numbers for those missing records skipped. Its not crucial data but for my learning, i feel i deserve understanding why it happened because next time, it might be costly.
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Dec 1, 2005
I have a database with 10 tables
I have a field named CustID .... I want to find out how many tables have this field CustID
Now one way was check up the design of every table & see whether its there or not (the field)
is there any query through which we can get this info Please help
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Aug 8, 2006
Hi,
Do anyone know or have a suggestion how to get commun columns name between several table in a SQL server database
For example I have table_1(name, age, school) table_2(name, address, city) and table_3(name, department, company)
name is the common column name (I don't care about the data) in this case. Is there a way to do it simple and easy ?
THANK YOU
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Apr 2, 2008
I have got the following union statement:
SELECT plan2008.jahr, plan2008.monat, plan2008.kdkrbez, plan2008.kdgrbez, plan2008.abgrbez, plan2008.artnr,
FROM plan2008
GROUP BY plan2008.jahr, plan2008.monat, plan2008.kdkrbez, plan2008.kdgrbez, plan2008.abgrbez, plan2008.artnr
UNION
SELECT fsp_auftrag.jahr, fsp_auftrag.monatnr, fsp_auftrag.kundenkreis, fsp_auftrag.kundengruppe, fsp_auftrag.abnehmergruppe, fsp_auftrag.artnr
FROM fsp_auftrag
GROUP BY fsp_auftrag.jahr, fsp_auftrag.monatnr, fsp_auftrag.kundenkreis, fsp_auftrag.kundengruppe, fsp_auftrag.abnehmergruppe, fsp_auftrag.artnr
My problem is that each table contains additional values like art_amount, art_turnover etc... whereby the first table contains plan values while the second table contains actual values.
My goal is to get plan as well as the actual values in one row, how is that possible? If I put the values into each of the selects I get two rows, which is not the wished output.
Is it possible to join the tables after the union took place?
Thanks in advance!
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Apr 9, 2006
I have two tables that contain product SKUs (12-character strings):
Table 1Product IdSKU...
Table 2ProductVariantIdSKU...
I need to find the MAX (i.e., last used) SKU that exists in either table. I did write two sps, one for each table that I can compare in code and use the larger (latest) one but I am not that facile with JOINS, etc., so I can't figure how how to create a single sp to return the value I am looking for--although I assume this must not only be possible but trivial to more experienced SQLers.
Thanks!
Duncan
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Jul 20, 2004
I have 3 jobs each consists of set of stored procedures.The stored procedures have lots of temp tables. And all the jobs run at the same time.
job1:
EXEc sp1
EXEC sp2
EXEC sp3
Job2
EXEC abc1
EXEC abc2
EXEC abc3
EXEC abc4
EXEC abc5
Job3
EXEC xyz1
EXEC xyz2
EXEC xyz3
EXEC xyz4
But the issue is that the stored procedures in the job1 has temp tables with the same name as stored procedures in the job 2 have.
Eg:
procedure abc1 and procedure sp2 have the temp table #temp1.
procedure abc4 and procedure xyz2 have the temp table #temp3.
Like this i have some more common temp tables. So my question is that can I use the temp tables like that.If so does it degrade the perforamnce of the sps.
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Mar 21, 2006
Hi,
I am trying to query for a common value in a column called "file_auth_nbr" in 30 different tables. I was going to try something like this (see below) but wasn't sure if this was the most efficient, fastest, or correct, way to get what I'm looking for:
Select distinct a.file_auth_nbr from table1 as a
join table2 as b
on a.file_auth_nbr = b.file_auth_nbr
join table3 as c
on a.file_auth_nbr = c.file_auth_nbr
join table4 as d
on a.file_auth_nbr = d.file_auth_nbr
join table5 as e
on a.file_auth_nbr = e.file_auth_nbr
......etc., etc.
Any suggestions would be much appreciated,
Jeff
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Aug 25, 2005
Here is the situation
Table 1 : tbl_documents
docIDdocName
1aaa
2bbb
3ccc
Table 2 : tbl_Rating
ratIDratingdocID
131
251
321
432
The queary I need is to display the result in this form. must be like this
docIDdocName Avaragerating
1aaa3
2bbb3
3ccc0
NOTE : For getting the average I used this queary “SELECT SUM(rating) As
RatingSum, COUNT(*) As RatingCount FROM tbl_Rating WHERE tbl_rating.docID =
tbl_documents.docID”
PLs help me ?
Thx
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Jan 7, 2015
I need to find all tables which has a join (either inside an sp, view, etc) with my given table in a db.
sys.dm_sql_referencing_entities doesn't work here.
Note: i dont want to identify by FK References, for 2 reasons:
1) tables might not met with a join (just FK was defined)
2) sometimes, a join happened between tables, without an FK defined
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Oct 22, 2007
I have one table 'tbUser' having coloumnsUserID,UserName,Category UserID UserName Category 1 Shailaja H 2 Anagha H 3 Raju L 4 Kiran L I want output as UserID UserName HigherCategory LowerCategory 1 Shailaja H 2 Anagha H 3 Raju L 4 Kiran L
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Feb 10, 2002
This is feeling very hard for me, but is surely very easy for many of you.
I have 2 Tables. "Events" and "Meals". Both have a columns named "EventDate" and "EventTime". I need to be able to compile a list of both and sort by event date and time. For example, a Meal @ 5:30 would place itself between a 4:00 Event, and a 6:30 Event.
PLEASE HELP ME!!!
Pending deadline doom :(
Thanks,
kaskenasy@publishingconcepts.com
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Oct 17, 2005
I know there is some kind of rule against the following SQL statement, but I was wondering what to do to get around this problem (some kind of grouping). Sorry for the stupid question.
SELECT * FROM Table1, Table2 WHERE Table1.ID IS NOT NULL AND Table2.ID IS NOT NULL
Basically I want to select all records from the two tables (they have the same fields, but are just different specialties) and then output them, but there is nothing in common between the two to reference one another, and it ends up in some kind of loop. Thanks. for the help.
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Jan 4, 2008
Here is my situation. I am building a report that has three different tables each with their own dataset. Example: Opportunities, Leads, Activities. All three of these datasets/tables have a common field - SalesID. I would like the report to show the first SalesID, then all Opportunities for that SalesID in the Opportunities table, followed by all Leads for that SalesID in the Leads table, followed by all Activities for that SalesID in the Activities table, and then rollover to the next SalesID and repeat that for all SalesIDs. Any suggestions on how I could achieve this? Thanks in advance for all help!!!
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Jan 28, 2008
Hi all,
I use the following 3 sets of sql code in SQL Server Management Studio Express (SSMSE) to import the csv data/files to 3 dbo.Tables via CREATE TABLE & BUKL INSERT operations:
-- ImportCSVprojects.sql --
USE ChemDatabase
GO
CREATE TABLE Projects
(
ProjectID int,
ProjectName nvarchar(25),
LabName nvarchar(25)
);
BULK INSERT dbo.Projects
FROM 'c:myfileProjects.csv'
WITH
(
FIELDTERMINATOR = ',',
ROWTERMINATOR = ''
)
GO
=======================================
-- ImportCSVsamples.sql --
USE ChemDatabase
GO
CREATE TABLE Samples
(
SampleID int,
SampleName nvarchar(25),
Matrix nvarchar(25),
SampleType nvarchar(25),
ChemGroup nvarchar(25),
ProjectID int
);
BULK INSERT dbo.Samples
FROM 'c:myfileSamples.csv'
WITH
(
FIELDTERMINATOR = ',',
ROWTERMINATOR = ''
)
GO
=========================================
-- ImportCSVtestResult.sql --
USE ChemDatabase
GO
CREATE TABLE TestResults
(
AnalyteID int,
AnalyteName nvarchar(25),
Result decimal(9,3),
UnitForConc nvarchar(25),
SampleID int
);
BULK INSERT dbo.TestResults
FROM 'c:myfileLabTests.csv'
WITH
(
FIELDTERMINATOR = ',',
ROWTERMINATOR = ''
)
GO
========================================
The 3 csv files were successfully imported into the ChemDatabase of my SSMSE.
2 questions to ask:
(1) How can I designate the Primary and Foreign Keys to these 3 dbo Tables?
Should I do this "designate" thing after the 3 dbo Tables are done or during the "Importing" period?
(2) How can I set up the relationships among these 3 dbo Tables?
Please help and advise.
Thanks in advance,
Scott Chang
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Sep 24, 2007
I have two table, tblCharge and tblSentence, for each charge, there are one or more sentences, if I join the two tables together using ChargeID such as:
select * from tblCharge c join tblSentence s on c.ChargeID=s.ChargeID
, all the sentences for each charge are returned. There is a field called DateCreated in tblSentence, I only want the latest sentence for each charge returned, how can I do this?
I tried to create a function to get the latest sentence for a chargeID like the following:
select * from tblCharge c join tblSentence s on s.SentenceID=LatestSentenceID(c.ChargeID) but it runs very slow, any idea to improve it?
thanks,
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Aug 8, 2007
I'm kinda embarrased, it's been quite awhile since I've played with SQL or Access but here's my brain fart. I need to open an access DB by the name of eHomes. Inside there are two tables AD_IMAGE & PROPERTY. Property is the main table and stores most of the info. It has a field in it called AD_ID and others except for the image file name. The AD_IMAGE table just keeps the image file name and has 3 fields: ID - AD_ID - & Image1. The problem is when the ad is deleted from the property table the AD_IMAGE table record referring to the PROPERTY.AD_ID doen't get deleted. So, I just want the AD_IMAGE table cleaned up to match what's active in the PROPERTY table using the common AD_ID fields in both tables.
Thanks
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Feb 6, 2015
I have a table of "applicants" with unique applicant id and another table "reviews" with reviews which has unique id and Emplid and contains general program name like Math and then may contain 3 addition rows for specific program like Calculus, algebra, geometry etc.
There may or may not be a record for each applicant id in table reviews or there can be 1 or more than one record in reviews based on level of review( General or Specific).
All the general reviews has “Math” as Program_code but if there are more reviews, they can have Program_code like “Cal” , “Abr”, “Geo”
I want to join the tables so I can get all the records from both the tables where Program_code in reviews table is “Math” only.
That is I want to join the table and get all the records from reviews table where the program_code is “Math” only
How can I do that?
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Jul 16, 2015
Any tool, script, procedure, or otherwise that will solve this problem?
CREATE TABLE [Table 1] (
Id varchar,
TableTwoId varchar,
OtherData varchar )
CREATE TABLE [Table 2] (
Id varchar,
MoreData varchar )
What is the link between these two tables?
I have databases that have zero keys defined, no foreign key constraints, no unique value constraints. I cannot assume that an Identity column is the Id. The end game is be able to output that [Table 1].[TableTwoId] = [Table 2].[Id] but cannot assume that all linkage in the database will be as simple as saying "if the field name contains a table name + Id then it is the Id in that table."
Currently have written a script that will cycle through all columns and start identifying keys in singular tables based on the distinctness of the values in each column (i.e. Column1 is 99% distinct so is the unique value). It will also combine columns if the linkage is the combination of one or more columns from Table 1 = the same number of columns in Table 2. This takes a long time, and it somewhat unreliable as IDENTITY columns may seem to relate to one another when they don't.
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Jul 17, 2015
CREATE TABLE [Table 1] (
Id varchar,
TableTwoId varchar,
OtherData varchar )
CREATE TABLE [Table 2] (
Id varchar,
MoreData varchar )
What is the link between these two tables?
I have databases that have zero keys defined, no foreign key constraints, no unique value constraints. I cannot assume that an Identity column is the Id. The end game is be able to output that [Table 1].[TableTwoId] = [Table 2].[Id] but cannot assume that all linkage in the database will be as simple as saying "if the field name contains a table name + Id then it is the Id in that table."
Currently have written a script that will cycle through all columns and start identifying keys in singular tables based on the distinctness of the values in each column (i.e. Column1 is 99% distinct so is the unique value). It will also combine columns if the linkage is the combination of one or more columns from Table 1 = the same number of columns in Table 2. This takes a long time, and it somewhat unreliable as IDENTITY columns may seem to relate to one another when they don't.
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Jul 23, 2005
Using SQL against a DB2 table the 'with' key word is used todynamically create a temporary table with an SQL statement that isretained for the duration of that SQL statement.What is the equivalent to the SQL 'with' using TSQL? If there is notone, what is the TSQL solution to creating a temporary table that isassociated with an SQL statement? Examples would be appreciated.Thank you!!
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May 13, 1999
Most of the tables in my database are implemented with IDENTITY columns as the primary key.
When an INSERT from my application is attempted, sometimes I get an error returned stating that insert
cannot be done because of duplicate key value. If I try the INSERT again, sometimes it works(??). Of course,
DBCC CHECKIDENT resets the identity value if trying the INSERT again doesn't work. Then sometime a little later, the problem happens again.
Is there anything I can do other than placing into my application code the execution of dbcc checkident
anytime I want to do an insert to prevent the error? By the way, DBCC CHECKDB revealed no problems.
HELP!
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Jul 23, 2005
I have a case where a table has two candidate primary keys,but either (but not both) may be NULL. I don't want to storea copy of the concatenated ISNULL'ed fields as an additionalcolumn, though that would work if necessary. Instead, I triedthe following (this is a related simplified example, not myreal one):CREATE FUNCTION ApplyActionPK(@IP int = NULL,@DNS varchar(64) = NULL)RETURNS varchar(74) -- NOT NULLASBEGINdeclare @val varchar(74)set @val = str(ISNULL(@IP, 0), 10)set @val = @val + ISNULL(@DNS, '')return @val-- Also tried "return str(ISNULL(@IP, 0), 10)+ISNULL(@DNS, '')"-- Also tried "return ISNULL(STR(@IP, 10), ISNULL(@DNS, ''))"-- ... and other things...ENDGOcreate table ApplyAction(-- An action applies to a computerAct varchar(16) NOT NULL,-- The action to applyIP int NULL,-- The computer IP address, orDNS varchar(64) NULL,-- The DNS name of the computerTarget as dbo.ApplyActionPK(ComputerID, DNS), -- PK value-- Also tried "Target as ISNULL(STR(@IP, 10), ISNULL(@DNS, ''))"CONSTRAINT PK_ApplyAction PRIMARY KEY(Act, Target))SQL Server always complains that the primary key constraint cannot becreated over a nullable field - even though in no case will the 'Target'field be NULL.Please don't explain that I should store an IP address as a string.Though that would suffice for this example, it doesn't solve myactual problem (where there are four nullable fields, two of whichare FKs into other tables).What's the reason for SQL Server deciding that the value is NULLable?What's the usual way of handling such alternate PKs?Clifford Heath.
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