Performing A Hierarchical Query...

Mar 26, 2008

Hi. I'm trying to find out which "cases" have a new items added to our database. I have provided a sample layout.

ID ParentID Name CreateDate
358 2 SMITH, JOHN 3/3/2008 11:15:23 am
359 358 Invoice 3/5/2008 4:13:52 pm
360 358 Shipping 3/5/2008 5:11:09 pm
361 358 Receiving 3/6/2008 4:22:01 am

The main ID for this is 358. The invoice, shipping, and receiving items are child items. I would like to run a query that can report which cases have newly added items. This is hierarchical I guess and I'm quite lost. I hope this makes sense. Thanks for any help!

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Hierarchical Table Functions Vs Hierarchical CTE

Jun 9, 2006

Recently I was in need of a hierarchical tree data. I learned about CTE and how they can be used to build hierarchical data with simple syntax. I used CTE and was through with the task. Later during free time, I tried to compare CTE approach with the traditional SQL 2K Table Function approach. It was surprising to see the query costs when I ran both the modes at one go...

Query Cost (relative to batch) : 0.49%
Query Text : Select * From fn_GetTree(8);

Query Cost (relative to batch) : 99.51%
Query Text : with treedata (id, parentid, status, prevStatus, lvl) as (select ...)


What does that indicate? Does it mean that the Table Function approach is much faster than CTE? I am sure that I was not making unwanted Joins in the CTE mode.

Can someone explain why that huge difference is there? And what the scenarios where CTE is better over Table Functions?

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I have created a store procedure as below:

WITH TextType AS
(
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FROM [ApplicationTextTypes]
WHERE AppTxtTypeParentCode IS NULL

[Code] ....

From this i am able to get data in the below format:

Parent
--Child1
--Child2
---Subchild1-Child1
---Subchild2-Child1
---Subchild1-Child2
---Subchild2-Child2

Actually my requirement is :

Parent
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---Subchild2-Child1

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How to generate following op?

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1 11 0 a 11 - 111
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* If a process does not have a Parent then its ParentID value is -1.

*Only single level of Parent-child hierarchy is maintained.


Can anyone please tell me the Query that uses Recursive JOINS to retrieve the ProcessID s based in following Conditions.

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Jul 20, 2005

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Sep 6, 2006

Hello,

Can someone explain why this code contains the following error:


Msg 4104, Level 16, State 1, Line 2

The multi-part identifier "TheTable.StartValue" could not be bound.



CREATE FUNCTION MyFunction(@StartValue int)

RETURNS @MyTable TABLE

(

NextValue int NOT NULL

)

AS

BEGIN

INSERT INTO @MyTable(NextValue)

VALUES (@StartValue + 1)

INSERT INTO @MyTable(NextValue)

VALUES (@StartValue + 2)

RETURN

END

GO

CREATE TABLE TheTable

(

StartValue int NOT NULL

)

GO

INSERT INTO TheTable(StartValue)

VALUES (10)

INSERT INTO TheTable(StartValue)

VALUES (20)

GO

SELECT *

FROM TheTable CROSS JOIN

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Apr 26, 2015

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Msg -1, Level 16, State 1, Line 0

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Msg -1, Level 16, State 1, Line 0

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OLE DB provider "SQLNCLI11" for linked server "<ip of Linked Server>" returned message "Communication link failure".

Msg 10054, Level 16, State 1, Line 0

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I will email my current design if needed.

Thanks,

Stephen Cantoria
scantoria@msn.com

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Aug 23, 2006

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The table is setup as follows:

Parent Child Pop
----------------------------------
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New York New York City 10
North America United States 0
North America Canada 0
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Washington Seattle 100
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World Europe 1
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France Paris 1
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North America United States 310
North America Canada 0
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New York New York City 10
Washington Redmond 200
Washington Seattle 100

Hopefully you understand what i'm looking for. I've tried using WITH ROLLUP and I also tried using an Inner Join but I'm not really sure what I need to do to pull this off. I seem to only be able to get it to work 1-2 levels deep but not through the whole tree.

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May 3, 2007

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Sep 28, 2007

Hi,

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May 1, 2006

How can I create a function that returns hierarchical data from a table with this structure:

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- CategoryFather

I want to bring the result set like this...

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1 | Video | 0 | 0
2 | DivX | 1 | 1
3 | WMV | 1 | 1
4 | Programming | 0 | 0
5 | Web | 4 | 1
6 | ASP.Net | 5 | 2
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May 25, 2006

I have a query like this

with TempCTE(id, Name, level, sortcol)
As
(
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cast(cast( id AS BINARY(4)) as varbinary(100)) sortcol
from Table1
where id = 1

union all

Select id, Name, 0 as level,
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from Table1 inner join TempCTE on TempCTE.id = Table1.parentid
)

select * from TempCTE order by sortcol

My problem is I want to sort this hierarchical resultset further on name like

aaa
-----aaaa
-----bbbb
-----cccc
------------aaaaa
------------bbbbb
-----dddd
------------aaaaa
------------bbbbb
bbb
-----aaaa
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Apr 17, 2008

Hello

I have a problem that I am hoping somebody can help me with!

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Newspapers

National Newspapers

Daily Express

Express Publications
Express Supplements
Daily Mail

Mail Publications
Mail Supplements
Mirror

So my table would look like below:-

1 Newspapers Null
2 National Newspapers 1
3 Daily Express 2
4 Express Publications 3
5 Express Supplements 3

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Feb 17, 2006

hi folks,

I have to import hierarchical text files like:
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21;name;firstname;salutation;title;age;nickname
...

additionally I have to eleminate doubles. what is the best way for this problem ?
I have set up a flatfilesource with two columns and a conditional split on the first column
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Iam looking forward for any helping idea.

rgrds,
matze

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Dec 27, 2005

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Mar 24, 2007

for MS SQL 2000
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[id_Users] [int] IDENTITY(1,1) NOT NULL PRIMARY KEY CLUSTERED,
[id_UsersSup] [int] NULL,
[Users] [nvarchar] (100) NOT NULL
) ON [PRIMARY]

ALTER TABLE [dbo].[Users] ADD
CONSTRAINT [FK_Users_Sup] FOREIGN KEY
(
[id_UsersSup]
) REFERENCES [Users] (
[id_Users]
)
ON DELETE CASCADE


but MS SQL refuse to create the foreign key
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Dec 31, 2014

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What I want is a way to give the system a user group and return the actual user group from which it inherits.

So extending my previous example above, suppose the following structure of inheritance:

5 <= 4 (5 inherits from 4)
4 <= 3
3 <= 2
2 <= 1
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(
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,Level1_Name varchar(20)
,Level2_Name varchar(20)

[Code] ....

Here category 1 has 3 levels ,

category 2 has 4 levels ,
category 3 has 5 levels ,

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How to handle multiple hierarchy levels .. here only leaf node should have Leaf_Node_code

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(
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)

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211NULLAsia
312101India
42NULLNULLa
524NULLaa
625NULLaaa
726102aaaa
83NULLNULLb
938NULLbb
1039NULLbbb
11310NULLbbbb
12311103bbbb

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Nov 30, 2013

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--- name (varchar)
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--- Id
--- name
--- department_id

This query return all data from departments. But i cannot understand how get data from users

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Jun 7, 2007

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Oct 19, 2015

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[RiskElementCategoryCode_2] [nchar](5),
[RiskElementCategoryLevel2Dsc] [nvarchar](50),

[Code] ...

Along with some other rows with the same format. I need to join to this table using a RiskElementCode that I get from the Source system.  The trick is that it can be at any level, but I don't know which level it is at.  So what I have to do is somehow get the correct row from the lookup table based on the code from the source to get the correct level.

So for Example, If i receive the RiskElementCode of 'SSR', that is in column RiskElementCategoryCode_3 so I need the row that has 'NA' for anything after RiskElementCategoryCode_3 where RiskElementCategoryCode_3 = 'SSR'.  If i get 'DFR' I need to get the row where RiskElementCategoryCode_4 = 'DFR' since there are no levels deeper than 4 i don't need to check anything else.  If I get 'PRR', then I need the row where RiskElementCategoryCode = 'PRR' and code_2, code_3 and code_4 = 'NA'.

So besides getting the correct row based on the code, i need to get the correct row based on the level where the next levels are 'NA'.  I should only get 1 row each time.

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Oct 12, 2007



Hi,
in my application, the data is in hierarchical format. there is a tree with set of nodes having parent child relationships. this data can be stored either through adjacency or nested set model approach. this is fine. but the issue here is that each child node inherits the properties of its parent node, parent's parent node and so on until the root node. lets say root node has two attributes A1 and A2 and they are stored in two columns in a table. but its child nodes inherits this data from its parent and it has its own extra attributes. so should I copy parent's data for the child node as two additional columns? the problem is that there are around 15 levels in the tree and the attribute list grows from top to bottom in the tree. lets say I need to find all the attributes for a leaf node in the tree (both direct and inherited), if I am not storing the inherited attributes for each node, then I need to walk-up the tree and find all the inherited attributes. there are around 30K nodes and each node has around ten attributes. xml is not option because of large volumes of data and auditing and reporting on individual nodes. what is the best way to store this type of data? my current approach is to have an attribute table having nodeid as a foreign key and only store the direct and NOT the inherited attributes of the node in the table, but this means to find all the attributes for the node, I need to gather the attributes of all the parents until the root node. I can't see any easy way out for this.

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What I would like is something along the lines of (pseudocode):
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Thanks in advance.


When you have nothing to Loose, You'll get everything you want

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