SQL Full Outer Join
Jul 20, 2005
I have the following query:
SELECT dbo.tSymExch.exCode, dbo.tSymGrp.sgCode,
dbo.tSymMain.smCode
FROM dbo.tSymExch FULL OUTER JOIN
dbo.tSymGrp ON dbo.tSymExch.exID =
dbo.tSymGrp.sgexID FULL OUTER JOIN
dbo.tSymMain ON dbo.tSymGrp.sgID =
dbo.tSymMain.smsgID
Which produces:
exCodesgCodesmCode
CBOTCBOTTRSCB2N
CBOTCBOTTRSCB30B
CBOTCBOTTRSCB10N
CBOTCBOTTRSCB5N
CBOTCBOTEQ
CME
I want it to produce:
exCodesgCodesmCode
CBOTCBOTTRSCB2N
CBOTCBOTTRSCB30B
CBOTCBOTTRSCB10N
CBOTCBOTTRSCB5N
CBOTCBOTTRS
CBOTCBOTEQ
CBOT
CME
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Jun 5, 2006
I have a merge join (full outer join) task in a data flow. The left input comes from a flat file source and then a script transformation which does some custom grouping. The right input comes from an oledb source. The script transformation output is asynchronous (SynchronousInputID=0). The left input has many more rows (200,000+) than the right input (2,500). I run it from VS 2005 by right-click/execute on the data flow task. The merge join remains yellow and the task never finishes. I do see a row count above the flat file destination that reaches a certain number and seems to get stuck there. When I test with a smaller file on the left it works OK. Any suggestions?
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Nov 1, 2005
helloi know that this post is not related to asp.net forum but if anyone can help me.i have made three sql tables called table1,table2 and table3.each one contains primary field called employeeidtable1 contains in addition to the primary a field callled field1.table2 contains in addition to the primary a field callled field2.table3 contains in addition to the primary a field callled field3.the first time table1 contains one record employeeid field1 ------------ ------ 1353 abcthe second table contains no datathe third table contains also one record employeeid field3 ------------ ------ 1353 defi have made a query :select field1,field2,field3 from table1full outer join table2 on table1.employeeid=table2.employeeidfull outer join table3 on table2.employeeid=table3.employeeidthe result is :field1 field2 field3abc null nullnull null def when i delete the record from the first table and put it in the second empty table:the result :field1 field2 field3null abc defi need to understand the results ?i know that the outer join will get the rows from the both tables,but the results how can i get i don't understandthank you for the help
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May 23, 2006
This FULL OUTER JOIN seems inconsistent between two SELECT statements—it works right for one, but not for another, which is virtually identical (see below). I am looking for missing records, and the problem is that the NULL half of the joined record is showing up for one case, but NOT showing up for the other, as it should.
Fields A, B, C, D1, and D2 make up the complete primary key in table X (in that order) while fields A, C, and D make up the complete primary key in table Y (in that order). The example below works correctly for the first, but not for the second (all other SQL-Statement details are exactly identical).
… FROM X FULL OUTER JOIN Y ON X.A=Y.A AND X.C=Y.C AND X.D2=Y.D …
… FROM X FULL OUTER JOIN Y ON X.A=Y.A AND X.C=Y.C AND X.D1=Y.D …
The value 1 exists for Y.D, but is missing from both D1 and D2 in table X (matching values for A and C exist in both tables). Again, the problem is that the null, outer-joined record shows up only in the first example above.
The only difference I can see in the schema is that D2 is the last element of the primary key of X (and it works OK), while D1 is the second to last element of the same primary key (and it does not work). All key elements are INTEGER fields in SQL SERVER. For this test case I currently have no indexes in the database.
Does this look like a SQL-Server bug? am I missing something? help! I don't know how to work around this.
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Nov 5, 2007
Hello!!
i have two tables
scanner_input:
id | quantity | status
-----------------------------------
prod1 | 6 | OK
prod2 | 7 | OK
prod3 | 3 | P
prod4 | 3 | OK
prod5 | 3 | OK
prod7 | 3 | OK
and
sap_input:
id | quantity | status
-----------------------------------
prod1 | 6 | OK
prod2 | 7 | OK
prod3 | 3 | P
prod4 | 2 | OK
prod6 | 3 | OK
prod8 | 3 | OK
i need a query to join both tables and compare the quantities of an item in table SCANNER_INPUT with its
corresponding item in SAP_INPUT, so the result would be something like this:
sap_input
id(scanner)| qty(scan)| id(sap) | qty(sap) | difference
------------------------------------------------------------
prod1 | 6 | prod1 | 6 | 0
prod2 | 7 | prod2 | 7 | 0
prod3 | 3 | prod3 | 3 | 0
prod4 | 3 | prod4 | 2 | 1
prod5 | 3 | prod5 | | 3
prod6 | | prod6 | 3 | -3
prod7 | 3 | prod7 | | 3
prod8 | | prod8 | 3 | -3
I found i can use a full outer join... but i dont know how to use it.
any ideas??
thnx
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Oct 26, 2006
Hi,
i want to replace a
full outer join statement .
how do i?
i am more in control with '='
thanks/
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Nov 28, 2007
Can i do a Full outer join on a union? and if so how?
I have this stored procedure. but then i was notified that they want to show all the sales reps, even if they dont have visits, and all the activities, even if neither has values. Right now this is what it shows:
Sales Rep. Visits Vacation Sick
Bob Smith 2 5 0
Julie Troy 1 0 1
Stefani Gray 1 0 0
--------------
I want it to look like this
Sales Rep. Visits Vacation Sick Drive-with Seminar Office-day Meeting
Bob Smith 2 5 0 0 0 0 0
Tod Taylor 0 0 0 0 0 0 0
Matt Mathews 0 0 0 0 0 0 0
Julie troy 1 0 1 0 0 0 0
Stefani Gray 1 0 0 0 0 0 0
heres my code:
Code Block
ALTER PROCEDURE [dbo].[PROC_DAILY_ACTIVITY]
(@Region_Key int=null)
AS
BEGIN
SELECT
NULL as Progress_time,
NULL As completed_time,
NULL as Dial_in_date,
NULL AS Customer_Code,
Non_Customer_Activities.question_code,
Non_Customer_Activities.description,
Sales_Group.Region,
Sales_Group.Name AS Territory_Name,
Non_Customer_Activities.Que_Desc AS Store_Name,
Non_Customer_Activities.Logged_Time AS TheDate,
CONVERT(FLOAT,Non_Customer_Activities.Logged_Time) Float_Date,
Non_Customer_Activities.response AS Response,
NULL AS is_Visit_Fg
FROM Qry_Sales_Group AS Sales_Group INNER JOIN
(SELECT QH.question_code, Question_Header.description, CONVERT(datetime, DATEADD(day, QH.cycle_day - 1, P.start_date), 6) AS Logged_Time,
SUBSTRING(QH.entity_code, 1, 5) AS SR_Code, QH.response, Territory_In_Sales_Responsible.Territory_Code AS SR_Territory_Code,
'Not Customer Related' AS Que_Desc
FROM question_history AS QH INNER JOIN
period AS P ON P.period_code = QH.period_code INNER JOIN
RC_DWDB_INSTANCE_1.dbo.Tbl_Territory_In_Sales_Responsible AS Territory_In_Sales_Responsible ON
Territory_In_Sales_Responsible.SalesPerson_Purchaser_Code = SUBSTRING(QH.entity_code, 1, 5) COLLATE Latin1_General_CI_AS INNER
JOIN
questions AS Question_Header ON Question_Header.question_code = QH.question_code
WHERE (QH.entity_code LIKE '%.USER%') AND (Question_Header.question_code IN ('AME01', 'ASE01', 'ACO01', 'ALU01', 'AOS01', 'APH01',
'ATR01', 'ATE01', 'ACR06', 'ACR05', 'ACR02', 'ACR03', 'ACR08', 'ACR07')) AND (CONVERT(datetime, DATEADD(day, QH.cycle_day - 1,
P.start_date), 6) = case
when Datepart(Weekday, Getdate()) = 2 then datediff(dd,0,GetDate()) - 3
else datediff(dd,0,GetDate()) - 1
end )) AS Non_Customer_Activities
ON Sales_Group.Code = Non_Customer_Activities.SR_Territory_Code
WHERE Region_Key=@Region_Key
UNION ALL
SELECT
in_progress_time,
completed_time ,
dial_in_date,
Customer_Activities.Customer_Code,
NULL AS Expr1,
NULL AS Expr2,
Sales_Group.Region,
Sales_Group.Name AS Territory_Name,
Customer_Activities.Customer_Name AS Store_Name,
Customer_Activities.Logged_Time AS TheDate,
CONVERT(FLOAT,Customer_Activities.Logged_Time) Float_Date,
NULL AS Response,
Customer_Activities.Is_Visit_Fg
FROM Qry_Sales_Group AS Sales_Group INNER JOIN
(SELECT DISTINCT in_progress_time,completed_time,dial_in_date,
V.visit_date AS Logged_Time, Customer_Code, customer_name AS Customer_Name,
Territory_In_Sales_Responsible.Territory_Code AS Cust_Territory_Code, 1 AS Is_Visit_Fg
FROM Qry_visits AS V
INNER JOIN RC_DWDB_INSTANCE_1.dbo.Tbl_Territory_In_Sales_Responsible AS Territory_In_Sales_Responsible ON
Territory_In_Sales_Responsible.SalesPerson_Purchaser_Code = V.sales_person_code COLLATE Latin1_General_CI_AS
INNER JOIN FSSRC.dbo.Communication_statistics as Communication
ON Communication.sales_person_code=Territory_In_Sales_Responsible.SalesPerson_Purchaser_Code COLLATE Latin1_General_CI_AS
WHERE (CONVERT(datetime, CONVERT(Varchar, V.visit_date, 110)) = case
when Datepart(Weekday, Getdate()) = 2 then datediff(dd,0,GetDate()) - 3
else datediff(dd,0,GetDate()) - 1
end )
) AS Customer_Activities ON
Sales_Group.Code = Customer_Activities.Cust_Territory_Code
WHERE Region_Key=@Region_Key
end
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Mar 6, 2008
Hey all,
Anyone have a work around for using a TSQL FULL OUTER JOIN in CE? Something like a Right and a Left Outer Join for the below?
Thanks,
billb
Here's an example:
' Connection To SQL CE
Dim ConsqlShipTo As New SqlCeConnection
ConsqlShipTo.ConnectionString = "Data Source = " & Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles) & "CRM.sdf"
'
'TSQL STATEMENT......
Dim reqSQL As New SqlCeCommand
reqSQL.CommandText = "SELECT " & _
" COALESCE(ShipTo.ShipToCust, Prospect.ProspectCust) AS [Customer ID], " & _
" COALESCE(ShipTo.ShipToName, Prospect.ProspectName) AS Name, " & _
" COALESCE(ShipTo.ShipToCity, Prospect.ProspectCity) AS City " & _
" FROM ShipTo FULL OUTER JOIN " & _
" Prospect ON ShipTo.ShipToName LIKE Prospect.ProspectName AND Prospect.ProspectCust LIKE ShipTo.ShipToCust " & _
" WHERE " & _
" (Prospect.Alias = '" & reqGetUserName & "' AND Prospect.ProspectName LIKE '%" & reqSearch & "%') " & _
" OR (ShipTo.Alias > '%%' OR ShipTo.Alias IS NULL) " & _
" AND (ShipTo.ShipToName LIKE '%" & reqSearch & "%') " & _
" GROUP BY " & _
" ShipTo.ShipToCust, Prospect.ProspectCust, ShipTo.ShipToName, Prospect.ProspectName, " & _
" ShipTo.ShipToCity, Prospect.ProspectCity " & _
" ORDER BY Name "
reqSQL.CommandType = CommandType.Text
reqSQL.Connection = ConsqlShipTo
ConsqlShipTo.Open()
'
'CREATE NEW SQL DATA ADAPTER
Dim sqlda As New SqlCeDataAdapter(reqSQL)
'
' FILL DATASET
Dim sqlds As New DataSet
sqlda.Fill(sqlds, "Customer ID")
'
' FILL DATATABLE - lightweight
Dim sqldt As New DataTable
sqlda.Fill(sqldt)
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Nov 19, 2006
I've met a curiouse thing when using full outer join, that I got some rows belong to neither tables @_@
The SQL statement is like this:
SELECT PreviousMonth.InvoiceID, PreviousMonth.CategoryName, PreviousMonth.ProdName, PreviousMonth.Qty, ISNULL(CurrentMonth.SellTotal, 0)
AS SellTotal, ISNULL(PreviousMonth.SellTotal, 0) AS PriorSellTotal
FROM (SELECT SellTotal, InvoiceID, CategoryName, ProdName, Qty
FROM viewProdSales AS viewProdSales_1
WHERE (DateCreated >= @pStartDate) AND (DateCreated <= @pEndDate)) AS CurrentMonth
FULL OUTER JOIN
(SELECT SellTotal, InvoiceID, CategoryName, ProdName, Qty
FROM viewProdSales
WHERE (DateCreated >= @pPriorStartDate) AND (DateCreated < @pStartDate)) AS PreviousMonth
ON
CurrentMonth.InvoiceID = PreviousMonth.InvoiceID
The result include some added rows, if I query the 2 sub table seperately, neither contains such rows.
For example, if I pass 01/09/2006, 01/10/2006 and 31/10/2006 as pPriorStartDate, pStartDate and pEndDate, to query the sales statistics in Sept and Oct, I would get some reords in June or even earlier... Anyone know about this? Thanks in advance.
Summer
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Aug 3, 2006
I am writing a script to create a audit trigger on any table. I am getting duplicate rows inserted into my audit table, only for the primary key columns. Anybody see why?
Right now I am debugging an Insert, so I think you can ignore the "U" update part of the Where clause.
....starts with other code to determine columns and primary key fields for selected table....
--get number of columns
select
@rowId = min(RowId),
@MaxRowId = max(RowId)
from #tblFieldNames
-- Loop through fields and build Sql string
while @RowId <= @MaxRowId
BEGIN
SELECT @fieldname = colName FROM #tblFieldNames WHERE RowId = @RowId
SELECT @sql = 'insert tblAuditAdmin (TableAltered, [Action], FieldName, OldValue, NewValue, UpdateDate, UpdateNumber, UserName)'
SELECT @sql = @sql + ' select distinct''' + @TableName + ''''
SELECT @sql = @sql + ',''' + @TriggerType + ''''
SELECT @sql = @sql + ',''' + @fieldname + ''''
SELECT @sql = @sql + ',convert(varchar(1000),d.' + @fieldname + ')'
SELECT @sql = @sql + ',convert(varchar(1000),i.' + @fieldname + ')'
SELECT @sql = @sql + ',''' + @UpdateDate + ''''
SELECT @sql = @sql + ', 1'
SELECT @sql = @sql + ',''' + @UserName + ''''
SELECT @sql = @sql + ' FROM #ins i FULL OUTER JOIN #del d'
SELECT @sql = @sql + @pkJoinClause
SELECT @sql = @sql + ' WHERE (''' + @TriggerType + ''' = ''I'')'
SELECT @sql = @sql + ' OR (''' + @TriggerType + ''' = ''D'')'
SELECT @sql = @sql + ' OR (''' + @TriggerType + ''' = ''U'' AND '
SELECT @sql = @sql + '((i.' + @fieldname + ' <> d.' + @fieldname + ')'
SELECT @sql = @sql + ' OR (''' + @fieldname + ''' in (Select colName from #primaryKeyFields))'
SELECT @sql = @sql + ' OR (i.' + @fieldname + ' IS NULL AND d.' + @fieldname + ' is NOT null)'
SELECT @sql = @sql + ' OR (i.' + @fieldname + ' IS NOT NULL AND d.' + @fieldname + ' is null)))'
EXEC (@sql)
set @RowId = @RowId + 1
END
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Mar 28, 2008
I have a series of tasks that end up with two record sets that are unrelated which I would like to join. The first record set contains a list of expense accounts and the second record set contains a list of offices. I would like to create a join between the two sets where the resulting record set is a list of every office having every expense account.
If the data were in tables i'd create a sql statement something like this
Select t1.Account, t2.Office
from Table1 t1
Full Outer Join Table2 t2
on 1 = 1
That would give me the results I'm looking for however I can't find how to do this when these data sets are from the results of two different flows of data flow tasks.
Any ideas?
Thanks
Bill Webster
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Apr 26, 2002
Take the following scenario:
We have two tables that have somewhat of a parent-child relationship. We are trying to use a SQL-92 outer join that returns the same results as a TSQL *= outer join. The difficulty we are having is that some of the parent records do not have any corresponding child records, but we still want to see those parent records with 0 (zero) for the count. How can we accomplish this with a SQL-92 compliant join (if it is even possible)? In the query results below, we would like the first set of results.
Thanks in advance for any help.
-David Edelman
Test script below, followed by results
===========================================
create table parent (p_id int NOT NULL)
go
create table child (p_id int NOT NULL, c_type varchar(6) NULL)
go
insert parent values (1)
insert parent values (2)
insert parent values (3)
insert parent values (4)
insert parent values (5)
insert parent values (6)
insert parent values (7)
insert parent values (8)
insert parent values (9)
insert parent values (10)
go
insert child values (1, 'AAA')
insert child values (1, 'BBB')
insert child values (1, 'CCC')
insert child values (2, 'AAA')
insert child values (4, 'AAA')
insert child values (4, 'DEF')
insert child values (4, 'AAA')
insert child values (4, 'BBB')
insert child values (5, 'AAA')
insert child values (5, 'AAA')
insert child values (6, 'AAA')
insert child values (7, 'AAA')
insert child values (7, 'BBB')
insert child values (7, 'CCC')
insert child values (7, 'DDD')
insert child values (10, 'AAA')
insert child values (10, 'CCC')
go
select p.p_id, count(c.p_id) as num_rows
from parent p, child c
where p.p_id *= c.p_id
and c.c_type in ('AAA', 'BBB')
group by p.p_id
select p.p_id, count(c.p_id) as num_rows
from parent p left outer join child c on p.p_id = c.p_id
where c.c_type in ('AAA', 'BBB')
group by p.p_id
=========================================
Results:
(T-SQL *= outer join)
p_id num_rows
----------- -----------
1 2
2 1
3 0
4 3
5 2
6 1
7 2
8 0
9 0
10 1
(SQL-92 outer join)
Warning: Null value eliminated from aggregate.
p_id num_rows
----------- -----------
1 2
2 1
4 3
5 2
6 1
7 2
10 1
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May 10, 2010
what is difference between outer apply and outer join ,both return rows from left input as well as right input . isnt it?
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Apr 30, 2008
Hello
Can any one tell me the difference between Cross Join, inner join and outer join in laymans language
by just taking examples of two tables such as Customers and Customer Addresses
Thank You
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Nov 4, 2003
Hello
I've a table with these values:
Cod_Lingua - Des_Lingua
------------------------------
ITA Italian
GER German
ENG English
FRA French
and another table with product/description
ProductID - Cod_Lingua - Description
-------------------------------------------
1 ITA Mia Descrizione
1 ENG My Description
I've this SELECT:
SELECT Tab_Lingue.Cod_Lingua, Descrizioni_Lingua.Description
FROM Descrizioni_Lingua RIGHT OUTER JOIN Tab_Lingue ON Tab_Lingue.Cod_Lingua=Descrizioni_Lingua.Cod_Lingua
WHERE Descrizioni_Lingua.ProductID=1
I get these results:
ITA - Mia Descrizione
ENG - My Description
I don't want this. I'd like to have this:
ITA - Mia Descrizione
ENG - My Description
GER - (null)
FRA - (null)
How can I get the second result set?
Thanks for your support.
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Oct 8, 2015
I was writing a query using both left outer join and inner join. And the query was ....
SELECT
S.companyname AS supplier, S.country,P.productid, P.productname, P.unitprice,C.categoryname
FROM
Production.Suppliers AS S LEFT OUTER JOIN
(Production.Products AS P
INNER JOIN Production.Categories AS C
[code]....
However ,the result that i got was correct.But when i did the same query using the left outer join in both the cases
i.e..
SELECT
S.companyname AS supplier, S.country,P.productid, P.productname, P.unitprice,C.categoryname
FROM
Production.Suppliers AS S LEFT OUTER JOIN
(Production.Products AS P
LEFT OUTER JOIN Production.Categories AS C
ON C.categoryid = P.categoryid)
ON
S.supplierid = P.supplierid
WHERE
S.country = N'Japan';
The result i got was same,i.e
supplier country productid productname unitprice categorynameSupplier QOVFD Japan 9 Product AOZBW 97.00 Meat/PoultrySupplier QOVFD Japan 10 Product YHXGE 31.00 SeafoodSupplier QOVFD Japan 74 Product BKAZJ 10.00 ProduceSupplier QWUSF Japan 13 Product POXFU 6.00 SeafoodSupplier QWUSF Japan 14 Product PWCJB 23.25 ProduceSupplier QWUSF Japan 15 Product KSZOI 15.50 CondimentsSupplier XYZ Japan NULL NULL NULL NULLSupplier XYZ Japan NULL NULL NULL NULL
and this time also i got the same result.My question is that is there any specific reason to use inner join when join the third table and not the left outer join.
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Aug 10, 2007
Scenario:
OLEDB source 1
SELECT ...
,[MANUAL DCD ID] <-- this column set to sort order = 1
...
FROM [dbo].[XLSDCI] ORDER BY [MANUAL DCD ID] ASC
OLEDB source 2
SELECT ...
,[Bo Tkt Num] <-- this column set to sort order = 1
...
FROM ....[dbo].[FFFenics] ORDER BY [Bo Tkt Num] ASC
These two tasks are followed immediately by a MERGE JOIN
All columns in source1 are ticked, all column in source2 are ticked, join key is shown above.
join type is left outer join (source 1 -> source 2)
result of source1 (..dcd column)
...
4-400-8000119
4-400-8000120
4-400-8000121
4-400-8000122 <--row not joining
4-400-8000123
4-400-8000124
...
result of source2 (..tkt num column)
...
4-400-1000118
4-400-1000119
4-400-1000120
4-400-1000121
4-400-1000122 <--row not joining
4-400-1000123
4-400-1000124
4-400-1000125
...
All other rows are joining as expected.
Why is it failing for this one row?
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Mar 1, 2008
hello, i am running mysql server 5 and i have sql syntax like this:
select
sales.customerid as cid,
name,
count(saleid)
from
sales
inner join
customers
on
customers.customerid=sales.customerid
group by
sales.customerid
order by
sales.customerid;
it works fine and speedy. but when i change inner join to right join, in order to get all customers even there is no sale, my server locks up. note: there is about 10000 customers and 15000 sales.
what can be the problem?
thanks,
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Oct 10, 2007
Given a table of building components e.g. floors, walls, etc, etc:
create table component_multiplier_table
(
system_code char(4),
system_component_code char(3),
function_code char(4),
component_multiplier dec(7,6)
)
Where function_code is the function of the area e.g. Auditorium, Classrom, etc, etc. And not all components are available for all functions e.g. Carpeting is available for Classrooms but not Power Plants or Warehouses.
I need to self join the above table to itself on system_code and system_component_code and find out which rows are missing from each side.
A query that I've been banging away at with no success is:
SELECT c1.*, c2.*
FROM [dbo].[component_multiplier_table] c1 FULL OUTER JOIN [dbo].[component_multiplier_table] c2
ON (c1.system_component_code = c2.system_component_code) AND (c1.[system_code] = c2.[system_code])
WHERE c1.function_code = '2120' AND c2.[function_code] = '2750' AND (c1.[system_code] IS NULL OR c2.system_code IS NULL);
I added the is null conditions, no joy. I've tried every flavor of outer join w/o success.
Could any T-SQL gurus out there help me figure out how to do this in a set before I start coding
DECLARE crsr CURSOR
Thanks.
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Apr 16, 2008
Anyone know why using
SELECT *
FROM a LEFT OUTER JOIN b
ON a.id = b.id
instead of
SELECT *
FROM a LEFT JOIN b
ON a.id = b.id
generates a different execution plan?
My query is more complex, but when I change "LEFT OUTER JOIN" to "LEFT JOIN" I get a different execution plan, which is absolutely baffling me! Especially considering everything I know and was able to research essentially said the "OUTER" is implied in "LEFT JOIN".
Any enlightenment is very appreciated.
Thanks
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Mar 12, 2007
Has anyone tried using a TSQL full outer join and managed to get it working? Any documentation for Full Outer Joins in CE?
Any ideas? Thanks, Bill
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Jun 1, 2004
Oi! What follows is a hypothetical situation, but it is a totally analogous to a real problem Im having, but provides an easier model to understand.
Imagine that you have database-driven battleship game and its time to render the board. Also imagine that you have to render more than one board and that the ships are all the size of one point on the grid.
One sql result you need is a list of all the points on the grid, regardless of whether or not there is a ship on it. This will make rendering much easier for you, because you can simply look at the record index to determine if a ship is present. The data that is stored about the position of the ships consists of one record containing the grid index and ship name.
One possible way to retrieve this data is to build a table that you will not change which contains a record for each point on the grid. Is it possible to union or join on this table to retrieve a list of results that contain both unoccupied locations and occupied ones?
Here is what I've come up with, but it contains results that have a null location when there are no ship records:
SELECT
Grids.GridID,
Ships.GridLocation,
Ships.Name
FROM
Grids
FULL OUTER JOIN Ships
ON Ships.GridID = Grids.GridID
WHERE
Grids.PlayerID = 1
UNION-- (**not** UNION ALL)
SELECT
Grids.GridID,
GridLocations.GridLocation,
(SELECT ShipName FROM Ships WHERE GridID = Grids.GridID AND GridLocation = GridLocations.GridLocation)
FROM
GridLocations, Grids
WHERE
Grids.PlayerID = 1
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Jul 14, 2004
Hello there,
I have 2 tables:
Table: Leads
------------------
ID LDate ClientID
1 04/02/2004 101
2 04/03/2004 103
3 04/04/2004 104
....
Table: Tracking
------------------
ID TDate ClientID Shown Clicked
1 04/02/2004 101 3 2
2 04/03/2004 103 5 4
3 04/04/2004 101 3 9
....
I need a query to display results for any Client ID like this:
Date Leads Shown Clicked
=============================
04/02/2004 1 3 2
04/04/2004 0 3 9
.....
=============================
The following query doesn't work, it display 1 in leads column instead of 0:
select t.Tdate, count(l.id) as Leads, sum(t.shown) as Views
from tracking t left outer join Leads l on r.clientid = t.clientid
where l.clientid = 101
and l.Ldate >= 'April 2,2004'
and t.Tdate >= 'April 2,2004'
group by t.Tdate
Thanks a lot for your time and help in advance.
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Aug 10, 2006
Here's the lookup table, tblLookup:
Task
SubTask
Subset
Superset
Description
And here's the more voluminous table, tblRecords, to which I need to join that:
Task
SubTask
Acct_cat
Actual_Amount
Budgeted_Amount
The problem is that the Task data in tblLookup consists only of the first 5 chars of the same kind of data in tblRecords (e.g., if a field on that record in tblRecords says "BILLYGOAT", that field in tblLookup is entered only as "BILLY").
How do I match them up?
Thanks.
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Aug 31, 2006
Hello,
I am having problems with an outer join statement.
I have written a procedure that tests a table for missing and corrupt data and
to test my procedure, I take a table with 100% correct entries and corrupt them by hand. Then I test if my repaird data is looking like the correct data did.
To do the test, I copy the correct data into a temp table "copy", join it with the "repaired" table and check if any fields look different. The problem is, that i don't get the missing data. The statement is looking like this:
select o.*,'#',k.* from repaired o right outer join copy k on
(str(o.a) + 'A' + str(o.b) + 'A' + str(o.c) =str(k.a)+ 'A' + str(k.b) + 'A' + str(k.c) )
where
o.D<>k.D or
o.E<>k.E or
o.F<>k.F or
...
I have dont the concatenation because I thougt, that a join with 3 fields could be responsible for not finding the missing data in table "copy".
Before that it looked like:
... on (o.a=k.a and o.b=o.b and o.c = k.c) where ...
In table "copy" is a record missing that is in table "repaired".
Why is my statement not printingout that missing record?
Shouldn't be an outer join exactly what I have to use for finding missing data?
I anybody can help me, I would be very happy.
Sven
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Mar 15, 2007
Why do we need a Right outer join, when we get the same results by swapping the order in which tables are specified in a Left join?
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Apr 21, 2004
Ok....I have 3 tables.
Entity
--------
name
entity_key
Address
----------
street
zip
mailing_flag
entity_key
Phone
--------
phone_number
phone_type_key
entity_key
I want to see all of the Entity records with their corresponding Address and Phone records. (select e.name, a.street, a.zip, p.phone_number)But only show the Address record for that Entity if the mailing_flag is 'Y' and I only want to see the Top 1 Phone record where the phone_type_key = 'Home'. If the above criteria isn't met I just want to see nulls for the Address and Phone records.
My problem is getting ALL the Entity records to return. It only wants to give me the Entity records that have Address or Phone associated with them. That and somehow showing the Top 1 phone record for the Entity are my issues.
Any help would be much appreciated......Thanks!
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Apr 11, 2008
Hello,
I have the following script which is *sort of working* !!
The problem I have is that I need to add an outer join to one of the tables and I don't know where to add it or what the syntax is.
Basically, anyone who has an 'STRA' role in the contacts_roles table does not usually have an email address (shown as communications.notes). However, because I don't have any outer joins in place, the script is ignoring everyone who has an 'STRA' role and only pulling back those with an 'STRE' role.
Any help would be much appreciated as to how and where I put my outer join.
Thanks so much.
Jon
SELECT contacts.label_name, contact_positions.position, contact_roles.role, contact_roles.organisation_number, communications.notes, organisations.status, organisations.name, addresses.address, addresses.town, addresses.county, addresses.postcode
FROM bmf.dbo.addresses addresses, bmf.dbo.communications communications, bmf.dbo.contact_positions contact_positions, bmf.dbo.contact_roles contact_roles, bmf.dbo.contacts contacts, bmf.dbo.organisations organisations
WHERE contact_roles.contact_number = contacts.contact_number AND communications.contact_number = contacts.contact_number AND organisations.organisation_number = contact_roles.organisation_number AND addresses.address_number = organisations.address_number AND contact_positions.contact_number = contacts.contact_number AND contact_positions.organisation_number = organisations.organisation_number AND ((contact_roles.role In ('STRE','STRA')) AND (organisations.status In ('BRAN','FULL','HOLD')))
ORDER BY organisations.name
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Jun 20, 2008
Help!
I have a query that runs fine with 2 outer joins, but I am using "*=" syntax and this won't work for SQL 2005.
I am replacing with 'LEFT OUTER JOIN'... I can get it to work okay for first join, but not when I add the second
Any idea
Josephine
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Jun 30, 2006
Hi i am having problem getting a resultset in a specific format which i wanted
i am suppose to get this:
team_id|Student|student_not_yet_submitted
Team 1|A,B,C|A
Team 2|D,E,F|NULL
Where (team_id, student) and student_not_yet_submitted are from different tables. Issue of concatenating aside (i am able to do this with java loop), I derived them like this:
1st select=select team_id, student_name from team, student where (....) to get the 1st 2 columns.
To get the 3rd column,
my second select is the same as 1st select but it has an additional condition based on results from 1st select stmt (using the team_id passed in)
2nd select=select team_id, student_name from team where (..... and student_name not in (a 3rd query stmt with result based on team_id from 1st select statement))
i am trying to use left outer join on student_name to join the 2 stmt together, but i am stuck because the 2nd select statement (or rather the 3rd inner query) requires input from the 1st. is there a more efficient way of doing this?
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Mar 6, 2008
Below is my query. I am a relative novice to SQL. I'd like to rewrite this with joins. All should be inner joins except for the last one Aritem to shmast. That should be a left outer join because not all of our invoices (in the Aritem tables) have actually been shipped.
How would I do this? I have already read through 2 SQL books, but the examples they give are much simpler than what I need to do. Here's the Query:
SELECT DISTINCT Ardist.fcacctnum, Ardist.fcrefname, Ardist.fccashid,
Ardist.fcstatus, Armast.fcinvoice, Armast.fbcompany, Armast.fcustno,
Ardist.fddate, Ardist.fnamount * -1 as fnAmount,
glmast.fcdescr,
shmast.fcstate,
slcdpm.fcompany as CompanyName
FROM ardist, glmast, armast, slcdpm, shmast, aritem
WHERE Glmast.fcacctnum = Ardist.fcacctnum
AND Armast.fcinvoice = SUBSTRING(Ardist.fccashid,8,20)
AND Ardist.fnamount <> 0
AND ((Ardist.fcrefname = 'INV' OR Ardist.fcrefname = 'CRM' OR Ardist.fcrefname = 'VOID')
AND Glmast.fccode = 'R')
AND armast.fcustno = slcdpm.fcustno
AND armast.fcinvoice = aritem.fcinvoice
AND left(aritem.fshipkey,6) = shmast.fshipno
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Mar 30, 2008
what is difference between inner join and outer join also right and left join can you explain with simple example(because i m fresher) and the query which are there in previous forum will work for the mainframe environment?
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Jul 20, 2005
In my (admittedly brief) sojurn as an SQL programmer I've often admired"outer joins" in textbooks but never really understood their use. I'vefinally come across a problem that I think is served by an outer join.-- This table stores the answer to each test questionCREATE TABLE TestResults (studentIdvarchar (15)NOT NULL,testIdintNOT NULL REFERENCES Tests(testId),qIdintNOT NULL REFERENCES TestQuestions(qId),responseintNOT NULL REFERENCES TestDistractors(dId),CONSTRAINT PK_TestResultsPRIMARY KEY NONCLUSTERED (testId, studentId, qId),)-- This table defines which questions are on which testsCREATE TABLE TestQuestions_Tests (testIdintNOT NULL REFERENCESTests(testId),qIdintNOT NULL REFERENCESTestQuestions(qId),)(Table Tests contains housekeeping information about a particular test,TestQuestions defines individual questions, TestDistractors lists thepossible responses.)In schematic form, the simplest form of my problem is to find all thequestions that haven't been answered. That would be:SELECT tqt.qIdFROM TestResults AS trRIGHT OUTER JOIN TestQuestions_Tests AS tqtON tr.testId = tqt.testId AND tr.qId = tqt.qIdWHERE tr.qId is NULLSo far I think this is pretty straightforward and an efficient solution.Agreed?But my real problem is a little bit more complex. What I really want toknow is "for a given student, on a given test, which questions haven'tbeen answered?"So now I have:SELECT tqt.qIdFROM TestResults AS trRIGHT OUTER JOIN TestQuestions_Tests AS tqtON tr.testId = tqt.testId AND tr.qId = tqt.qIdWHERE tqt.testId = '1' AND tr.studentId = '7' AND tr.qId IS NULLIs this the canonical form of the solution to my problem? It seems tome like it is generating a whole slew of rows and then filtering them.Is there a more elegant or efficient way to do it?-- Rick
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