Eliminating A Cartesian Product

Jul 29, 2013

I have a SQL statement with two left outer joins which connects 3 tables. Vendors, Tracking & Activity. For whatever reason, even though each is a one-to-many relationship, I am able to join 2 tables (from Vendors to Tracking) without an issue. when I then join Activity, I get a Cartesian product.I suspected that 'DISTINCT'.

SELECT DISTINCT CASE
WHEN `vendor`.`companyname` IS NULL then 'No Company Assigned'
ELSE `vendor`.`companyname`
END AS companyNameSQL, `tracking`.`pkgTracking`, CASE

[code]....

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Stumped...cartesian Product Brain Teaser

May 10, 2007

I have a table with 2 columns as follows:

COORD LEVEL===== =====1 11 22 23 21 32 33 34 35 3


I need to produce a result that has 1 column that is the concatenation of each COORD separated by a '.' by increasing LEVEL


EX: The result should look like this
1.1.1
1.2.1
1.2.2
1.2.3
1.2.4
1.2.5
1.3.1
1.3.2
1.3.3
1.3.4
1.3.5

Please note that the answer must be flexible enough to handle any number of levels and coordinates (although levels will most likely be less than 5 and coordinates less than 100)

Can this be done in a simple SQL statement?

ANY help is very much appreciated.

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Feb 9, 2006

Tables have 100K rows. Inner join produces 99k. The outer join should be 100K. It is 1000 times larger.

If I do a SELECT DISTINCT, the right # rows are returned (100K)

What gives?

SELECT tblEarth.key1, tblEarth.key2a, tblEarth.key2b
FROM ((tblEarth INNER JOIN tblMoon ON Mid(tblEarth.key1,1,6) = tblMoon.key1) LEFT OUTER JOIN
tblVenus ON (tblEarth.key2b = tblVenus.key2b)
AND (tblEarth.key2a = tblVenus.key2a)) LEFT OUTER JOIN
tblMars ON tblEarth.key2a = tblMars.key2a;

Laurence

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Aug 30, 2015

I am using the code below to get all the children of a particular product and it is working fine. How to get the particular product's id in the select statement. for example, i need to show 891 in a separate column for all the records returned by the query below.

DECLARE @Hierarchy TABLE (Product_Id INT, Parent_Product_Id INT)
INSERT INTO @Hierarchy VALUES (123, 234)
INSERT INTO @Hierarchy VALUES (234, 456)
INSERT INTO @Hierarchy VALUES (456, 678)
INSERT INTO @Hierarchy VALUES (678, 891)
INSERT INTO @Hierarchy VALUES (891, NULL)

[Code] .....

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Eliminating Duplicates

Feb 11, 2005

Have a pretty simple wuestion but the answer seems to be evading me:

Here's the DDL for the tables in question:


CREATE TABLE [dbo].[Office] (
[OfficeID] [int] IDENTITY (1, 1) NOT NULL ,
[ParentOfficeID] [int] NOT NULL ,
[WebSiteID] [int] NOT NULL ,
[IsDisplayOnWeb] [bit] NOT NULL ,
[IsDisplayOnAdmin] [bit] NOT NULL ,
[OfficeStatus] [char] (1) NOT NULL ,
[DisplayORD] [smallint] NOT NULL ,
[OfficeTYPE] [varchar] (10) NOT NULL ,
[OfficeNM] [varchar] (50) NOT NULL ,
[OfficeDisplayNM] [varchar] (50) NOT NULL ,
[OfficeADDR1] [varchar] (50) NOT NULL ,
[OfficeADDR2] [varchar] (50) NOT NULL ,
[OfficeCityNM] [varchar] (50) NOT NULL ,
[OfficeStateCD] [char] (2) NOT NULL ,
[OfficePostalCD] [varchar] (15) NOT NULL ,
[OfficeIMG] [varchar] (100) NOT NULL ,
[OfficeIMGPath] [varchar] (100) NOT NULL ,
[RegionID] [int] NOT NULL ,
[OfficeTourURL] [varchar] (255) NULL ,
[GeoAreaID] [int] NOT NULL ,
[CreateDT] [datetime] NOT NULL ,
[UpdateDT] [datetime] NOT NULL ,
[CreateByID] [varchar] (50) NOT NULL ,
[UpdateByID] [varchar] (50) NOT NULL ,
[OfficeBrandedURL] [varchar] (255) NULL
) ON [PRIMARY]
GO

CREATE TABLE [dbo].[OfficeManagement] (
[OfficeID] [int] NOT NULL ,
[PersonnelID] [int] NOT NULL ,
[JobTitleID] [int] NOT NULL ,
[CreateDT] [datetime] NOT NULL ,
[CreateByID] [varchar] (50) NOT NULL ,
[SeqNBR] [int] NOT NULL
) ON [PRIMARY]
GO

CREATE TABLE [dbo].[OfficeMls] (
[OfficeID] [int] NOT NULL ,
[SourceID] [int] NOT NULL ,
[OfficeMlsNBR] [varchar] (20) NOT NULL ,
[CreateDT] [datetime] NOT NULL ,
[UpdateDT] [datetime] NOT NULL ,
[CreateByID] [varchar] (50) NOT NULL ,
[UpdateByID] [varchar] (50) NOT NULL
) ON [PRIMARY]
GO

CREATE TABLE [dbo].[Personnel] (
[PersonnelID] [int] IDENTITY (1, 1) NOT NULL ,
[PersonnelDisplayName] [varchar] (100) NOT NULL ,
[FirstNM] [varchar] (50) NOT NULL ,
[PreferredFirstNM] [varchar] (50) NOT NULL ,
[MiddleNM] [varchar] (50) NOT NULL ,
[LastNM] [varchar] (50) NOT NULL ,
[PersonalTaxID] [varchar] (9) NOT NULL ,
[HireDT] [datetime] NOT NULL ,
[TermDT] [datetime] NOT NULL ,
[HomePhoneNBR] [varchar] (15) NULL ,
[HomeADDR1] [varchar] (50) NOT NULL ,
[HomeADDR2] [varchar] (50) NOT NULL ,
[HomeCityNM] [varchar] (50) NOT NULL ,
[HomeStateCD] [char] (2) NOT NULL ,
[HomePostalCD] [varchar] (15) NOT NULL ,
[PersonnelLangCSV] [varchar] (500) NOT NULL ,
[PersonnelSlogan] [varchar] (500) NOT NULL ,
[BGColor] [varchar] (50) NOT NULL ,
[IsEAgent] [bit] NOT NULL ,
[IsArchAgent] [bit] NOT NULL ,
[IsOptOut] [bit] NOT NULL ,
[IsDispOnlyPrefFirstNM] [bit] NOT NULL ,
[IsHideMyListingLink] [bit] NOT NULL ,
[IsPreviewsSpecialist] [bit] NOT NULL ,
[AudioFileNM] [varchar] (100) NULL ,
[iProviderID] [int] NOT NULL ,
[DRENumber] [varchar] (10) NOT NULL ,
[AgentBrandedURL] [varchar] (255) NOT NULL ,
[CreateDT] [datetime] NOT NULL ,
[UpdateDT] [datetime] NOT NULL ,
[CreateByID] [varchar] (50) NOT NULL ,
[UpdateByID] [varchar] (50) NOT NULL ,
[IsDisplayAwards] [bit] NOT NULL
) ON [PRIMARY]
GO

CREATE TABLE [dbo].[PersonnelMLS] (
[PersonnelID] [int] NOT NULL ,
[SourceID] [int] NOT NULL ,
[AgentMlsNBR] [varchar] (20) NOT NULL ,
[CreateDT] [datetime] NOT NULL ,
[UpdateDT] [datetime] NOT NULL ,
[CreateByID] [varchar] (50) NOT NULL ,
[UpdateByID] [varchar] (50) NOT NULL
) ON [PRIMARY]
GO


ALTER TABLE [dbo].[Office] ADD
CONSTRAINT [FK_Office_OfficeProfile] FOREIGN KEY
(
[OfficeID]
) REFERENCES [dbo].[OfficeProfile] (
[OfficeID]
) NOT FOR REPLICATION
GO

alter table [dbo].[Office] nocheck constraint [FK_Office_OfficeProfile]
GO

ALTER TABLE [dbo].[OfficeManagement] ADD
CONSTRAINT [FK_OfficeManagement_LookupJobTitle] FOREIGN KEY
(
[JobTitleID]
) REFERENCES [dbo].[LookupJobTitle] (
[JobTitleID]
),
CONSTRAINT [FK_OfficeManagement_Office] FOREIGN KEY
(
[OfficeID]
) REFERENCES [dbo].[Office] (
[OfficeID]
) NOT FOR REPLICATION ,
CONSTRAINT [FK_OfficeManagement_Personnel] FOREIGN KEY
(
[PersonnelID]
) REFERENCES [dbo].[Personnel] (
[PersonnelID]
) ON DELETE CASCADE
GO

alter table [dbo].[OfficeManagement] nocheck constraint [FK_OfficeManagement_Office]
GO

ALTER TABLE [dbo].[OfficeMls] ADD
CONSTRAINT [FK_OfficeMls_Office] FOREIGN KEY
(
[OfficeID]
) REFERENCES [dbo].[Office] (
[OfficeID]
) NOT FOR REPLICATION
GO

alter table [dbo].[OfficeMls] nocheck constraint [FK_OfficeMls_Office]
GO

ALTER TABLE [dbo].[PersonnelMLS] ADD
CONSTRAINT [FK_PersonnelMLS_Personnel] FOREIGN KEY
(
[PersonnelID]
) REFERENCES [dbo].[Personnel] (
[PersonnelID]
) NOT FOR REPLICATION
GO

alter table [dbo].[PersonnelMLS] nocheck constraint [FK_PersonnelMLS_Personnel]
GO





Here's the query I'm having trouble with:

SELECT distinct Personnel.PersonnelID,
Personnel.FirstNM,
Personnel.LastNM,
Office.OfficeNM,
Office.OfficeID,
OfficeMls.SourceID AS OfficeBoard,
PersonnelMLS.SourceID AS AgentBoard
FROM Personnel INNER JOIN
OfficeManagement ON
Personnel.PersonnelID = OfficeManagement.PersonnelID
INNER JOIN
Office ON OfficeManagement.OfficeID = Office.OfficeID
INNER JOIN
OfficeMls ON Office.OfficeID = OfficeMls.OfficeID
INNER JOIN
PersonnelMLS ON Personnel.PersonnelID = PersonnelMLS.PersonnelID
where officemls.sourceid <> personnelmls.sourceid
and office.officenm not like ('%admin%')
group by PersonnelMLS.SourceID,
Personnel.PersonnelID,
Personnel.FirstNM,
Personnel.LastNM,
Office.OfficeNM,
Office.OfficeID,
OfficeMls.SourceID
order by office.officenm

What I'm trying to retrieve are those agents who have source id's that are not in the Office's domain of valid source id's. Here's a small portion of the results:

PersonnelID FirstNM LastNM OfficeNM OfficeID OfficeBoard AgentBoard
----------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ----------- ----------- -----------
18205 Margaret Peggy Quattro Aventura North 650 906 908
18205 Margaret Peggy Quattro Aventura North 650 918 908
15503 Susan Jordan Blackburn Point 889 920 909
15503 Susan Jordan Blackburn Point 889 921 909
15503 Susan Jordan Blackburn Point 889 921 920
15279 Sandra Humphrey Boca Beach North 890 917 906
15279 Sandra Humphrey Boca Beach North 890 906 917
15279 Sandra Humphrey Boca Beaches 626 917 906
15279 Sandra Humphrey Boca Beaches 626 906 917
13532 Michael Demcho Boca Downtown 735 906 917
14133 Maria Ford Boca Downtown 735 906 917
19126 Michael Silverman Boca Glades Road 736 917 906
18920 Beth Schwartz Boca Glades Road 736 906 917

If you take a look at Sandra Humphries, you'll see she's out of office 626. Office 626 is associated with source id's 907 and 916. Sandra Humphries is also associated with those two source id's , but she shows up in the results.

I know this was AWFULLY long winded, but just wanted to make sure made myself as clear as possible.

Any help would be greatly appreciated.

Thanks in advance!

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Aug 9, 2000

Hi,

I have a table with four columns. like id,lastname,
firstname,acctname. I have duplicate values for the three columns other
than id column. like

ID FirstNameLastname Acctname
1 john hopkins jh
2 john hopkins Jh
3 david webb dw
4 david webb dw
5 david webb dw
6 Dan Kennedy DK

I want to eliminate the duplicate rows. id can be any one of them.
Can any one suggest me with a query by which i can do this.
Thanks in advance
Mohan

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Eliminating Duplicates In Select

Apr 11, 2008

Hi All,

I need to eliminate Duplicates in my Sql Query, tried to use distinct and that doesn't seem to work, can anybody pls.help.

duplicates are in #ddtempC table, and am writing a query to get a country name from the hash table where hash table has duplicates

hash table contains (THEATER_CODE, COUNTRY_CODE, COUNTRY_NAME).
and trying to write condition on THEATER_CODE and COUNTRY_CODE to get Country_name

and THEATER_CODE AND COUNTRY_CODE HAS DUPLICATES. whenever i do a sub query i get the below error.

Msg 512, Level 16, State 1, Line 1
Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.

SELECT USER_FIRSTNAME, USER_LASTNAME,
user_countryCode,
USER_COUNTRY = (SELECT DISTINCT RTRIM(LTRIM(COUNTRY_NAME)) FROM #ddtempC WHERE RTRIM(LTRIM(COUNTRY_CODE)) = USER_COUNTRYCODE AND RTRIM(LTRIM(THEATER_CODE)) = USER_THEATERCODE)
FROM [user]
WHERE USER_USERNAME IS NOT NULL AND User_CreationDate BETWEEN '1/2/2007' AND '4/11/2008'
ORDER BY User_TheaterCode;

Thanks in Advance.

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Eliminating Duplicate Records

May 13, 2008

Hey There.

I'm in the process of doing a major data clean up and I'm just wondering how I would go about eliminating some redundant data.

The Table Layout

Contracts

CNTRID CONTRACTNUM STARTDATE CUSTOMNUM
=======================================================
0 1234567 091885 A
1 1234567 091885 A
2 1111111 111111 B
3 1234567 081205 A


Equipment

EQUIPID DEVICENAME CNTRID CUSTOMNUM
=======================================================
0 DEVICE1 0 A
1 DEVICE2 2 B
2 DEVICE3 1 A
3 DEVICE4 3 A


You will notice that each customer may have multiple devices. Each device may be tied to a contract, and each contract may have one or more devices tied to it.

In the example above, you will notice in the contracts table the contracts with the IDs 0 and 1.

Fig 1.

CNTRID CONTRACTNUM STARTDATE CUSTOMNUM
=======================================================
0 1234567 091885 A
1 1234567 091885 A


These contracts have the exact same information.

Furthermore, if you look down the table you will notice the contract with the ID 3.

Fig 2.

CNTRID CONTRACTNUM STARTDATE CUSTOMNUM
=======================================================
3 1234567 081205 A

This contract shares the same contract and customer number, but has a different start date.


Now lets take a look devices in the equipment table that refer to these records.

EQUIPID DEVICENAME CNTRID CUSTOMNUM
=======================================================
0 DEVICE1 0 A
2 DEVICE3 1 A
3 DEVICE4 3 A

You will notice that DEVICE1 and DEVICE 3 refer to the contract records that contain identical data. (As shown in 'Fig 1')

My question is as follows:

How do I eliminate the any duplicate records from the contracts table, and update the records in the equipment table with id of the left over contract.

Results Should be as follows:

Contracts

CNTRID CONTRACTNUM STARTDATE CUSTOMNUM
=======================================================
0 1234567 091885 A
2 1111111 111111 B
3 1234567 081205 A


Equipment

EQUIPID DEVICENAME CNTRID CUSTOMNUM
=======================================================
0 DEVICE1 0 A
1 DEVICE2 2 B
2 DEVICE3 0 A
3 DEVICE4 3 A


Any help you may provide would be greatly appreciated!

Thanks
--mike

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Need to eliminate certain records from my query. The below is a simple query to illustrate my problem

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Data
RequestNo Event_type
123456 10
123457 10
123457 20
123458 10
123459 10
123459 20

This above query returns all requests that meets atleast one criteria. How do i edit my query such that i get requests that meet both criteria and the result set looks like below

Data

RequestNo Event_type
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My intuition tells me that since multiplication looks like repeated addition, that maybe division is repeated subtraction?
If that's true is there a way to finesse divide by zero errors by somehow reframing the statement as multiplication instead of division?

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cast(1.0*(
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OWNERBARN ROUTE DESCVEHDIST CASE
BARBAR TRACKING #70328VEH 32832869.941393
BARBAR TRACKING #70328VEH 32832869.941393
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DAXDAX TRACKING #9398VEH 39839834.942471
TAXTAX TRACKING #2407 40754.391002
TAXTAX TRACKING #2407 40754.391002
TAXTAX TRACKING #2407 40754.391002

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BARBAR TRACKING #70328VEH 32832869.941393


DAXDAX TRACKING #9398VEH 39839834.942471


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Table B
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Final Table:
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Value:124, Jack, 100 State, LA, 91070,0
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123, Paper 1
123, paper 2

Table e:(relate to table B: showing all products that are related to table B)
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Final Table:
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123, Paper 1
123, Paper 2
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here's the query code

SELECT SUM(cast(lc as float))
FROM [dbo].[LaborCosts]
WHERE ppty = 'ga'
AND PL = 'allctd ktchn expns'
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I am trying to sum up the values in column LC, and realized I have unnecessary quotations marks. How can I eliminate the quotations from the column, and only query the numerical values?

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