Same Effect As Cross Join?

Jul 7, 2006

How can I achieve the same effect as a cross join (since the merge operator doesn't have a cross join)?

Situation is this... a flat file has some header and footer information that I need to keep and attach to each row. So for simplicity sake of an example lets just say header has only 1 thing we care about - a row that says DATE=01/01/06.

I take the file and run a split to split into "Date" "Data" and "other" (other has all the throwaway rows in header and footer I don't care about). Then I use a derived column object to get all the columns out of the "Data". Finally I want to add that Date metadata back to every row in the data...

I thought this would be an easy thing to do.. but I can't seem to figure out how to duplicate that Date info into every row.. Hopefully I am overlooking something simple.

Thanks in advance.

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Can Any One Tell Me The Difference Between Cross Join, Inner Join And Outer Join In Laymans Language

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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Does JOIN Order Effect Efficiency?

Feb 5, 2007

Hi all,

Does JOIN order effect efficiency?

If I have three large tables to join together should I join the two that I know will cut the number of rows down a lot first and then join the 3rd table or does it make no difference (if I join the first and 3rd - which I know will be a large result set and then join the 2nd).

Thanks in advance,

Chiz.

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Cross Join

Dec 25, 2007

good morning
I wanna to put a sub query in the cross join like that

SELECT *

FROM table1

CROSS JOIN (select field

from table2

cross join table3)

but i got this error

Msg 102, Level 15, State 1, Line 7

Incorrect syntax near ')'.

can anyone help me!!!!

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Cross Join Without Table?

Feb 1, 2005

I have the following structure with remote select permissions; I cannot create temp tables or use stored procs:

tblEvent with event_pk, eventName
tblReg with reg_pk, event_fk, person_fk, organization_fk

I'm currently using a case statement to get counts for these categories:
case
when c.person_fk is Null and c.organization_fk is not null then 'Employer'
when c.person_fk is Not Null and c.organization_fk is null then 'Individual'
when c.person_fk is not Null and c.organization_fk is not null then 'Both'
else 'Unknown'
end

But I need some kind of count (0) for every category. I've used a cross-join, group by in the past - but what do you do if you don't have a table? For example, the end result when selecting event_pk=(112,113) would be:

event_pk, myCount, countCat
112 0 Employer
112 1 Individual
112 4 Both
112 0 Unknown
113 5 Employer
113 0 Individual
113 0 Both
113 2 Unknown

Thanks for any help,
jb

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Help With Cross Join - 3 Tables

Feb 26, 2008

I am wanting to show Total Quantity of Presentations2 for each EmpVol and TypeofPresentation, even if there are no Presentations done in TypeofPresentation or if an Employee did not do any Presentations.

I am close with the query below - but not getting back exactly what I want - Ideas.

SELECT ISNULL(Presentations2.Quantity, 0) AS Quantity, TypeofPresentation.Typeofpresforrpt, EmpVol_2.LastName, EmpVol_2.FSSTVOLUNTEER
FROM Presentations2 INNER JOIN
EmpVol ON Presentations2.ID = EmpVol.ID RIGHT OUTER JOIN
TypeofPresentation ON Presentations2.TypePresINT = TypeofPresentation.TypePresINT CROSS JOIN
EmpVol AS EmpVol_1 CROSS JOIN
EmpVol AS EmpVol_2
GROUP BY TypeofPresentation.Typeofpresforrpt, EmpVol_2.LastName, EmpVol_2.FSSTVOLUNTEER, ISNULL(Presentations2.Quantity, 0)
HAVING (EmpVol_2.FSSTVOLUNTEER = N'FSST')

Thanks,

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Sub-Query / Cross Join / Or Something Else?

Mar 21, 2007

I have the following 2 tables:(BATCHES)BatchID [int] KEYID [int]OrderID [int]Action1DateTime [datetime]Action2DateTime [datetime]Action3DateTime [datetime]Action4DateTime [datetime]Action5DateTime [datetime]Action6DateTime [datetime]Action7DateTime [datetime]Action8DateTime [datetime](ORDERS)OrderID [int] KEYProductionLineID [int]RecipeID [int]OrderAmount [int]Batches.Action1DateTime to Batches.Action8DateTime can have several entrieseach day.I need a query to count all Batches.Action1DateTime to allBatches.Action8DateTime for each day in a specified period.I also need to specifically use where clauses for Orders.OrderID and/orOrders.RecipeID.I need the data to draw a graph for each ActionXDateTime as a function ofdate.Any help appreciated./Henrik

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TOP 2 In A Cross Join (Matrix)

Oct 30, 2006

Hello

I have to retrieve a cross join between languages and language-skills for more person in a matrix (grid) report.

E.g. i like to ritrieve the TOP 2 people in each "cell" of the grid (order by name).
There are 3 people in cell "ITALIAN / very good".
So i have to retrieve only the top 2.

In table tEmployee i have the people names (john, anna, michael)
In table tLanguage i have all language (english, italian, german)
And in table tLanSkill i have the language rating (bad, good, very good)

bad
good
very good

Englisch
Michael
John
Anna

Italian

John

Michael

Anna

German

Anna

THX for your help.

ciao, michele

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It Seems Cross Join Is Usefulless At All?

May 31, 2008

StaffTable
StaffID (int ,PK)
StaffFullName(vnchar(50))

DepartmentTable
DepartmentID (int,PK)
StaffID (int,FK)
DepartmentName(vnchar(50))

it seems when I use SELECT * FROM StaffTable,DepartmentTable

it returns a lot of wrong data.(I guess, the right data is just in 10%, 90% is wrong)

So , is this mean, in a real industry software project, no one would use cross join?

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Cross-Join Query

May 21, 2008

Hi folks, this is my first time here... i hope that you can help me with this query

I have two query and one table

Queries
Q1-Training - List of training
Q2-Group - Groups that must take the training
Table
T1 - Training_Group

Here a query example using SELECT * FROM

Q1
Code Name
-----------------------------------
AD0041 Advance SQL
BE0012 Beginner SQL
NE0001 Newbie SQL
...

Q2
Group_Name Group_Code
-----------------------------------
Administration ADMIN
Directors 456
John Smith 555666
...

T1
Code Level Group_Code
-----------------------------------
AD0041 1 ADMIN
AD0041 2 456
AD0041 3 555666
BE0012 2 456
NE0001 1 ADMIN

Here's my problem :

I need to make a report that look like that

(as training) (Group_Code) --> dynamic column
^^^^^^ ^^^^^^
Training ADMIN 456 555666
-------------------------------------
AD0041 1 1 1
BE0012 0 1 0
NE0001 1 0 0

I did it in ACCESS with TRANSFORM and PIVOT.

But how i do that in SQL Server 8.0 ?^

Thanks in advance for your solution or hints... i'll be back tomorrow morning

Best regards
David

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Urgent Help With Query (Cross Join)

Sep 28, 2006

I have the following tables:members--------------member_idmember_tpc_id ( = tpc.tpc_id)tpc------tpc_idcourse------------course_idtpc_assignment---------------------------tpc_assignment_idcourse_idenrollment-------------------member_idcourse_idenrollment_status Now I want to select all members where member_tpc_id>0 and get the enrollment_status of each member in each course where course_id IN (Select course_id From tpc_assignment)Now what i did was get all the members and then all the courses and did a cross join between them. There are about 1900 members and 80 courses and when I do a cross join I get 1900*80 rows (152000) and the status of each member for all the 80 courses. If not enrolled it returns Not Enrolled (i have a UDF which takes a member_id and a course_id and returns the status). The BIG problem is that its taking about 6-8 mins to run the query and as a result its timing out on the aspx page. Can someone please tell me how I can do what i am trying to do without using the cross join because I suspect its the culprit here. The query I came up with is Select
*, dbo.returnStatus(temp1.user_id, temp2.course_id) As Status,
(Select tpc_title From tpc Where tpc_id = temp1.member_tpc_id) As Tpc_Title
From
(Select member_id As user_id, member_name, member_tpc_id
From members Where member_tpc_id> 0 And organization_id = '1'
)temp1
cross join
(Select course_id As course_id, course_title As course_title
From course Where course_id IN
(Select course_id From tpc_assignment Where tpc_requirement_id IN
(Select tpc_requirement_id From tpc_requirement) And course_id<>0 And organization_id = '1')
)temp2
Order By member_name, Tpc_TitlePlease help. Thank you.

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Querying On A Nvarchar(MAX) With Cross Join?

Nov 6, 2006

Hello,
I have a query that returned much more results than it should. I believe this is because it was a cross join instead of inner join (because I forgot to map a temporary relationship in the designer of SQL Server Express; I think this is what the problem may have been, but I can't remember), but could it be because the join criteria is because it is an nvarchar(MAX)?
I did the join on two nvarchar(MAX) fields. The table has 31102 rows in both tables, and it would pull back the first entry in the first table, and all 31102 rows in the second table, and so it would pull back 31102 rows for each entry in the first table.
Is that only because of the cross join, or maybe because of nvarchar(max)?

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Cross Join/? Query In A View Help

Feb 4, 2004

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Cross Join Iteration Problem...

Feb 5, 2004

I am having a mental fart...

I have two tables:

DECLARE @store_options TABLE(store_option_id INT IDENTITY(1,1), store_id INT)

DECLARE @vendor_options TABLE(vendor_option_id INT IDENTITY(1,1), store_option_id INT, item_id INT, vendor_id INT, price NUMERIC(18,4))

I populate the first table with a litst of stores that offer all desired items.

I populate the second table with a list of vendors, the item is, and cost avaiable at each of the stores in the first table.

What I would like is to output all possible the store and vendor combos ordered by combined price.

So, for instance, I have 3 products, A B and C. Store X has A and B by vendor G, and A B and C by vendor H. I want the output to have all iterations of (Store, Product, Vendor, Price) grouped in order of total price. So...

X A G
X B G
X C H

X A G
X B H
X C H

X A H
X B G
X C H

X A H
X B H
X C H

ordered by each group's combined price.

For some reason, I can't get this straight in my head. Must need more coffee.

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Cross Join Tables And Nulls

Jan 31, 2015

I have a small doubt regarding cross join and NULL values,

Table A has four rows (1,2,3,NULL)..Table B has 4 rows(1,2,3,NULL)..if i cross join table A and B..

How many rows will be there in result

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Pickup Tax Rate Without Using CROSS JOIN

Aug 29, 2005

I need to pickup a tax rate, that is stored on a 1 record file. I would like to avoid using the CROSS JOIN. Is there a way to SELECT the record and set a Variable = to the tax rate so I can pickup the rate in another SELECT statement on each record?

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Cross Join Inside Grouo

Aug 20, 2007

table a
id group value
1 g1 2
2 g1 3
3 g2 4
4 g2 5
5 g2 10

table b
gourp name
g1 n1
g1 n2
g2 n4
g2 n5

I want ret table look like
1 g1 2 n1
1 g1 2 n2
2 g1 3 n1
2 g1 3 n2
3 g2 4 n4
3 g2 4 n5
4 g2 5 n4
4 g2 5 n5
5 g2 6 n4
5 g2 6 n4

How can I fulfill this task, thanks.
Jeff

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What Does Just 'JOIN' Statement Do W/o Inner Or Outer Or Cross In Front

Jul 26, 2002

There is some code that I am looking at. It is like this

SELECT a.Name, p.Name
FROM applicant a
JOIN Pending p
ON a.ID = p.ID

Thanks list.

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Help With (Pivot/Cross-Join???) Query To Select A Result Set

Jan 20, 2005

I have information on clothes in a table that I want to select out to a result set in a different structure - I suspect that this will include some kind of pivot (or cross-join?) but as I've never done this before I'd appreciate any kind of help possible.

Current structure is:

Colour Size Quantity
-----------------------
Red 10 100
Red 12 200
Red 14 300
Blue 10 400
Blue 12 500
Blue 14 600
Green 10 700
Green 12 800
Green 14 900
Green 16 1000

I want to produce this result set:

Colour Size10 Size12 Size14 Size16
-------------------------------------
Red 100 200 300 0
Blue 400 500 600 0
Green 700 800 900 1000

There could be any number of sizes or colours.

Is this possible? Can anyone give me any pointers?

Thanks in advance

greg

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Cross Database Join In A Data Source View

Jun 21, 2007

Hi,

Is it possible to do a cross database join in a report services data source view? It doesn't look like it.

If not I was thinking of linking the table into the other database.

TIA,
Darren

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SQL Server 2014 :: Writing A Cross Join Query With One Table?

Jul 19, 2015

writing a cross join query with one table:

Cities(City_name, X_coordinate, Y_coordinate)

the result should be all combinations without reverse column returns

SELECT * FROM [dbo].[Cities] as P1
Cross JOIN [dbo].[cities] as p2
where (p1.City_name != p2.City_name) and ???

for example if there are three Cities as A,B,C the result should be: A->B, A->C, B->C (without the returns B->A, C->A, C->B)

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SQL Server 2014 :: Column Store Query Reverting To Row Mode With CROSS JOIN

May 20, 2015

I have two inline selects against a table with a nonclustered columnstore on SQL 2014 (12.0.2000). Both execute in batch mode and when I inner-join the two, they continue to execute in batch mode. When I cross join them, one executes in row mode. Below is some SQL to simulate the issue.

-- The purpose of this script is to demonstrate that
-- two queries against a columnstore index that each execute in batch mode
-- will continue to execute in batch mode when inner joined.
-- However, one of the queries will execute in row mode when cross-joined.

-- Create function to return 0 to n rows
IF OBJECT_ID('dbo.IntCount') IS NOT NULL
DROP FUNCTION dbo.IntCount;

[Code] .....

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HOW To Select A Matrix (cross Join) With Empty Records To Retrieve The Same Amount Of Records For Each Cell

Nov 2, 2006

Hello

Im searching for a solution to set all matrix row or cell the same height.
it schoud looks like this example:

This is a simple matrix

test a

text b

text c

text d

text e

text f

text g

This is a matrix with all the same row-height.

test a

text b

.

text c

.
.

text d

text e

text f

text g

.

.

Thx you a lot

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Mar 13, 2008

I have a sqlserve, which service account is 'local system', running in machine A.

A credential ,which associated a windows user U1 in machine A, mapped to a sqlserver login Login1.

A file named 1.txt that only can be accessed by U1 in machine A.

A CLR procedure P1 that would read the 1.txt file.

I encounter a error when i access the 1.txt file through P1 as Login1:

A .NET Framework error occurred during execution of user-defined routine or aggregate "HelloWorld":

System.UnauthorizedAccessException: Access to the path 'E:1.txt' is denied.

System.UnauthorizedAccessException:

at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)

at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy)

at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)

at System.IO.StreamReader..ctor(String path, Encoding encoding, Boolean detectEncodingFromByteOrderMarks, Int32 bufferSize)

at System.IO.StreamReader..ctor(String path)

at StoredProcedures.StoredProcedure1(SqlString fileName)

.

I think it need a credential when a sqlserver login access some resource outside the sqlserver, so i add a credential and mapped to the login

any suggestions would be appreciated.
And please correct me if i have any inaccurate concept.

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Nov 12, 2006

I have this stored procedure. I want to run a few simple SQL functions against my tables. In particular I want to take a subset of records (One or Two years worth) and calculate AVG, VAR and STDEV.

It does not work the way I thought it would. I end up with the whole input table in #tempor1 which is about 6 years worth of records.

set ANSI_NULLS ON
set QUOTED_IDENTIFIER OFF

GO
ALTER PROCEDURE [dbo].[findAve1YearDailyClose_MSFT]
AS
BEGIN
SET NOCOUNT ON;
SELECT adjClosed, volume INTO #tempor1 FROM dbo.dailyCl_MSFT
GROUP BY dateTimed, adjClosed, volume
HAVING (dateTimed > DATEADD (year, -1, MAX (dateTimed)))

SELECT AVG (adjClosed) AS "AVGAdjClose1Year",
VAR (adjClosed) AS "VARAdjClose1Year", AVG (volume) AS "AVGVolume1Year",
STDEV (volume) AS "STDEVVolume1Year", COUNT (*) AS "total"
FROM #tempor1
END

Thus if I change the number of years I subtract from the latest date from 1 to 2 I end up with the same result. What is the problem?

Thanks.

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May 23, 2001

When running a trace on a database, how does if affect that databases performance? Does it slow it down at all?

Thanks In Advance,

Chris

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Feb 4, 2004

Hello,

What happens to these REPLication agents if SQL Agent is stopped and started:
Snapshot Agents
Merge Agents
Misc Maintenance Agents

Can the agent be stopped and started with no thought to the status of replication, or should the replication state be modified in some way before any change to the status of the Agent?

(I know REPL depends on agent, so wuestion is, can REPL simply resume or not when agent is re-started.)

Thanks.
MichaelGG

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Jan 31, 2004

If the server is upgraded to Windows 2000, will SQL 6.5 require to be upgraded to SQL 7 or 2000?

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Apr 30, 2007

Does someone know if doing a reindex on a clustered or non-clustered index cause the snapshot file to grow? In other words, is the data that makes up the snapshot copied from the source to the snapshot database? If a normal reindex is done on the underlying database, will it block users from acessing the snapshot? Any help would be appreciated.

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Aug 6, 2007

Hi..

I want to know that when I do something like..

Select Query
Left Join
Select Query 2
Left Join
Select Query 3

How does it work actually?
As in, whether Query 2 & Query 3 will work only on the records retrieved by Query 1 only.
Or, all the select statements retrieves all the records and then the condition is applied to filter out the results.

Also, does the order of the Select statements make any difference on the speed?

Thanks

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Dec 7, 2004

We have a database that we have designed so all the data dependances are managed by the front end code. However the company we are writing it for has asked us to add around 50 constraints. I was just a little worried what kind of effect on performance this would have. Cheers Ed

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Nov 16, 2006

Edit: Sorry This is OSQL.What I use as my query is:"DELETE FROM timerecord WHERE Actual_Time_In LIKE '11.12.2006%'"The row of Actual_Time_In is formatted with Date and time (MM.DD.YYYY HH:MM:SS) sometimes there are ten records and I'd rather not have to remove them from the table one at a time. However, even though I have a record that is '11.12.2006 22:43:00' my delete doesn't work osql states I have 0 rows affected.This is only MSDE so I don't have anyother way to open the table.Sometimes these records have other records that reference them. Is there anyway to do a cascading delete without it getting to complex?Thanks of all your help, I am just a tech support guy beating his head against a wall..

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May 1, 2008

Hello all, thanks in advance for any advice here.
My question is, what's the effect of the Enterprise Manager > Tasks > Shrink Database function? It seems to reduce the used space on the device. Testing it on some dev machines, I've seem to have gotten back as much as 20g of space. I know it should grow back to that, but the time it took was minimal, and it didn't seem to affect my developers. They tend to add alot and delete alot during testing. What negative effects of running this should I look out for? Will it affect the DB long term? Is is preferable to schedule once a month or so? Is this done on Production DB's?
Thanks for any guidence on the usage of this.

Bob
Not a downstroke, fistpicker

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