SQL Server 2012 :: Traversing Down A Tree
Feb 9, 2015
I'm working with a development bug database where if someone puts in a bug number, they want to get the parent bug. No problem.
SET @cur_parent = (SELECTdupeof_key
FROMqds.dbo.Dimduplicates d
WHEREd.dupe_key = @checkbug
ANDd.end_ts IS NULL)
WHILE @cur_parent IS NOT NULL
[Code] ...
However, now they want to be able to do the same thing in reverse. Put in a bug and determine how many bugs are duplicates (either directly - children, or indirectly - grandchildren/great-grandchildren, etc.).
The majority of bugs go no more than three generations deep but there are some that go much deeper so I need to have something where I can loop through each potential generation and get the number of bugs associated with it.
Example.
Parent Bug Child Grandchild GGChild
1 2 3 4
1 5
1 28 32
1 40 41 42
1 50
1 60
1 65 70
If I put in bug 1 I should be able to get a count of 13 associated duplicate bugs. Additionally, they want to be able to get a list of the bugs that are associated with that parent.
If there were a set number of levels, self-joining would work to create a generational matrix. However, as there is no limit on how deep the generations can go, I need something dynamic to traverse the tree and generate the list of bugs/count of bugs.
It was easy going up the tree because there was a strict one-to-one relationship between child and parent.
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Apr 6, 2015
I got assignment, how to make it appear in the right order .
/* DROP TABLE EMP
SELECT * INTO Emp FROM (
SELECT 'A' EmpID, NULL ManID, 'Name' EmpName UNION ALL
SELECT 'MAC' EmpID, 'A' ManID, 'Name__' EmpName UNION ALL
SELECT '1ABA' EmpID, 'MAC' ManID, 'Name____' EmpName UNION ALL
SELECT 'ABB' EmpID, '1ABA' ManID, 'Name______' EmpName UNION ALL
SELECT 'XB' EmpID, 'A' ManID, 'Name__' EmpName UNION ALL
SELECT 'BAC' EmpID, 'XB' ManID, 'Name____' EmpName ) b
*/
[code]....
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May 12, 2015
I have a tree and I need to copy a nested sub-tree (an element with its children, which in turn may have their owns) from one place to another.
The system should allow to handle up to 8 levels. I do know how to move, but cannot figure out how to copy.
Below is a working example With Create Table, Select and Cut / Paste (implemented via Update).
I would like to know how to copy a nested tree with reference id 4451 from Parent_Id 1 to Parent_Id = 2
--***** Table Definition With Insert Into to provide some basic data ****
IF (OBJECT_ID ('myRefTable', 'U') IS NOT NULL)
DROP TABLE myRefTable;
GO
CREATE TABLE myRefTable
(
Reference_Id INT DEFAULT 0 NOT NULL CONSTRAINT myRefTable_PK PRIMARY KEY,
[Code] ....
How to Copy nested sub-tree 4451 with all its children to Parent_Id 2, without deleting from Parent_Id = 1 ?
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Jun 17, 2015
I have a simple FOR EACH loop who's task is to go to a folder, find all .zip files and then extract them to a directory of my choosing. I only want this step to extract files in a particular (root) directory.
What is happening is after the step extracts the main file to the specified output directory, it then goes to the next directory and extracts the files in THAT directory - even though I do NOT have "traverse subfolders" selected.
What is going on here? This has never happened before - at least when I was developing these packages with SQL 2008 R2...
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Jan 15, 2015
I'm playing with CTE and just want to expand my skills and ask how you would build this tree structure to fill that [Tree] column for table like in sample below:
/* CREATE TABLE #T1 (child_id INT, parent_id INT, tree VARCHAR(MAX))
INSERT INTO #T1 VALUES
( 200,3, '200-3-2-1' ),
( 100 , 14 , '100-14-1'),
( 3 , 2 , '3-2-1'),
( 2 , 1 , '2-1'),
( 14 , 1 , '14-1'),
( 1 , NULL , '1');
[Code] .....
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Sep 11, 2007
Can anyone please help me? I need to create a tree structure of my company's database server. I need to include all the tables and their description in a tree structure. The output can be in any format. Is there some tool in the MSSql that will do this for me, so I don't have to write it out manualy?? Thank you very much for any ideas!!
M.
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Jun 28, 2007
Hi,
Can we represent the Decision Tree in a programatically way in an .NET application? I understand that the outcome of a Decision Tree model can be integrated into an .NET application but not sure if we can also visualize it. Does MS SQL Server support any API to render such a tree?
Thanks a lot!
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May 15, 2008
Hai
do we have hierarchy query in sql like connect by prior in oracle to dispaly values in tree structure
Help needed
Tahnks in advance
Sumathi.s
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Feb 18, 1999
Dear fellows,
Can anybody tell me how can i apply recusive/Tree query using select
statement.
For example I've a table structure for an Organization as follows:
TableName: Employee_tbl
Fields: emp_id, emp_name, supervisor_id
emp_id emp_name supervisor_id
---------- --------------- -------------------
101 ZAFIAN
102 BRUNNER 101
108 CALLAHAN 102
105 RUSSO 102
110 SIM 102
103 DUELL 101
and so on
1. How can I get the above records in Hirarchical format starting from top
or from anywhere else in the hierarchy?
In Oracle it can be done as follows:
SELECT emp_id,emp_name,supervisor_id
FROM employee_tbl
CONNECT BY supervisor_id = PRIOR emp_id
START WITH supervisor_id is null;
Please reply me at the following address if possible:
faisal@visualsoft-inc.com
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Mar 9, 2007
I am trying to traverse a tree structure like below,
1 Pets
--1.1 Cat
----1.1.1 Persian
----1.1.2 Bengal
--1.2 Dog
----1.2.1 Poodle
2 etc
I would like to be able to search by a keyword, i.e. Poodle, or the reference number, i.e. 1.2.1. I would prefer to do this all through a stored procedure if possible, it seems recursion is the way to go as the number of levels may increase in the future but i'm completely new to this. From what i've seen so far I would need a table structure with a parentID,NodeID,Name field and Primary key.
i.e,
ID...Name......Parent.....NodeID
1....Pets.........0............1
2....Cat..........1............1
3....Dog..........1............1
4....Persian.....2............1
5....Bengal......2............2
6....Poodle......3............1
etc
i've heard that SQL SERVER 2005 provides recursion through CTE, is this the recommended way/only way to achieve this?
Any tips on where to start would be really appreciated.
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Jul 20, 2005
We need to present hierarchical data on a web page, the same way thetree view shows files in Windows Explorer. Here's the catch: thattree view needs to be bound to a SQL Server database. How can this bedone?
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Feb 23, 2015
I am trying to output the hierarchical data of a tree to xml format.
I can query the data from the tables into a friendly format like this:
create table dummy
(
id int,
childname nvarchar(max),
parentid int,
parentname nvarchar(max)
[Code] ....
And I always know the root ID from the first record on "table" dummy (generated with a common table expression), in this case it's ID 1, but from here, how to process this for any level of depth ?
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May 30, 2008
hi,
How to get 2 level tree node in the sql server 2005. We have table with data.On load we populate the tree in Asp.net.
Regards,
Vinayak Panchal
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Aug 24, 2007
Dear All,
I have a dataminig programming that need to run for days. Is it possibile to speed up the training process by clustering several server by Windows 2003 clustering services? Is it actually that clustering 2 QUAD core computer is almost giving comparable performance as the sum of the speed of two (There must be some overhead, I know). I am actually familiary with the use of clustering. Is it just for making the server farm more reliable or it will collaborate and speeed up the whole training process?
If it is, is there any limit on the number of cluster is in the cluster. What version of Windows and SQL Server do I need to achieve speed up of data mining training process?
Thanks and regards
Tony Chun Tung Siu
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Aug 12, 2007
Dear All
The problem is I am going to predict the production for different category of product.
attributes are
year - key
A production - predict only
B production -predict only
C production -predict only
And in the SQL it is impossible to to give input and predict (I am not sure whether that is a error or not).
And in the decision tree
for the
Product A - get as product A >=12324
Product B year > 2000
Product C product C >=35454
I want to know why the label is changing time to time.
Please help me on this. Thank you
Menik
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May 20, 2004
Dear all,
I would like to know how to create a single level hierachy structure in SQL.
Example, I have a single parent record in table A that may later on spawn one or child record in table B that relates back to the parent. It only needs a single level.
that means, one to many.
thanks and rgds.
Loke HC
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Jan 2, 2008
I have two tables.
table1 has 3 fields a , b and c. field "a" is a primary key.
table2 has 2 fields x and y. Fields x and y are nothing but the value of "a". Also, y is the child of x.
Therefore, x and y can never have same value. It means value of "a" either be child or parent.
But there is possibility that parent has no child.
Now, i wanted to write Select/Insert query for parent, b , c and child.
This tree is no a binary tree but N-Ary Tree.
Thanks,
sha
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May 18, 2007
Hi,
I'm having a major brain-failure moment here.
Using T-SQL I want to be able to get all of the leaf nodes (e.g. nodes at the furthest end of a tree from the root) in a hierarchical relationship where the table structure is such NodeID|ParentID|NodeName.
Basically if I had the following tree structure:
Root
Child1
Grandchild1
Child2
Grandchild2
I want to get all of the Grandchild nodes. Number of levels will vary and I haven't got any kind of HasChilds column.
I know this is possible because I remember having done it on a course years ago but I can't for the life of me figure it out on this sunny Friday afternoon. I know it's going to involve either recursion, a while loop or cursors but my mind is currently jelly. Can anyone help?
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Sep 10, 2007
hi. I am working on Multiline Marketing Project.I have to calculate all the childens and display the whole tree..I have save records in tree format...But not able to calculate the all childrens.
SELECT count(*) FROM dfTree WHERE id in (SELECT id FROM dfTree WHERE lineage like '16%')
This query works properly.Problem is that it is not working in the project because in the like I have to pass a variable.
SELECT count(*) FROM dfTree WHERE id in (SELECT id FROM dfTree WHERE lineage like '@idl%')
Please Suggest me...
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Jun 2, 2008
HI,
I am working on a Family tree portal which need tree functionality to display family members in tree structure. on click on any node the adding option should be displayed
for this i need a table and procedure to complete family tree
Thanks
@mbi
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Jan 3, 2006
Consider the following SQL query:
SELECT ENAME,SAL
FROM EMP,ASG,PAY,PROJ
WHERE EMP.ENO=ASG.ENO
AND PAY.TITLE=EMP.TITLE
AND ASG.PNO=PROJ.PNO
AND ASG.DUR=48 AND BUDGET>200000
Give the possible operator trees:right-deep,left-deep and bush
Tank you very much!
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Jun 11, 2006
Hi,
i'm writing a app in c# and have to store Trees in a Database.
I'm working with Datasets for the exchange between the DB and the App.
The trees have the same options like the windows folders. If u delete a node, all subnodes should be deleted too.
But something a Foreign Key from ParentID references (Id) with the delete-Rule on cascade seems not to be possible, because of multiple cascade Paths or cycles. Do i have to add some xtra constarins:
Not Possible:
create Table tree (
Id varchar Not null,
ParentId varchar Not null,
Constraint pk1 Primary Key (Id),
Constraint fk1 Foreign Key (ParentId) references tree(Id)
On Update Cascade
On delete CAscade
)
Do i have to write triggers, which delete The subnodes too and set the Update-/deleterulr on NO Action
Greetz
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Oct 24, 2006
Does anyone know any good links for SQL tree structures and example queries and stuff... I cant really find anything part from the standard example of emplyee, boss, salary which explains how to create the tree table...(dun dis bit) I did notice a book but I live in a little village so cant go get it till wekend?
I'm desperate, reli need to work out how too do this.....
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Jun 13, 2008
SELECT a.Network_ID, b.Last_Name + ', ' + b.Preferred_FirstName AS full_name, c.Security_Class_Description,
d.Security_Type_Description, a.Security_Value
FROM Company_Hierarchy_Security a
JOIN V_Entity_Employee_Active b on a.Network_ID= b.Network_ID
JOIN Company_Security_Class c on a.Security_Class_Code=c.Security_Class_Code
JOIN Company_Security_Type d on a.Security_Type = d.Security_Type
inner join (select e.Budget_Center_ID + ' - ' + e.Budget_Center_Description As Budget_Center_Description,
f.Company_Name, g.Enterprise_Description, h.Business_Segment_Description,
i.Team_Description
from Company_Hierarchy_Security a.
Inner JOIN Budget_Center e on a.Security_Value = e.Budget_Center_ID
Inner JOIN Company f on a.Security_Value = f.Company_ID
Inner JOIN Enterprise g ON a.Security_Value = Cast(g.Enterprise_Number As Varchar(5))
Inner JOIN Business_Segment h on a.Security_Value = h.Business_Segment_ID
Inner JOIN Team i on a.Security_Value = i.Team_ID
Ok. I have the Security Value located in Company_Hierarchy_Security table. All those values are divided into 5 other tables that I need to join together. I found all of them separate but I have not been able to figue it out how to put it together with the rest of the querie.
Thanks for the help!!!!!
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Jun 16, 2008
Thank You visakh16 --- The following section of my querie works but doesn't give the exact information that I need. This is what is giving me:
NetworkId Full Name Sec Class Desc Sec Type Desc SecValue
tte Test Scenario Accounting Budget Center 142- ?
SELECT a.Network_ID, b.Last_Name + ', ' + b.Preferred_FirstName AS full_name, c.Security_Class_Description,
d.Security_Type_Description, a.Security_Value
FROM Company_Hierarchy_Security a
JOIN V_Entity_Employee_Active b on a.Network_ID= b.Network_ID
JOIN Company_Security_Class c on a.Security_Class_Code=c.Security_Class_Code
JOIN Company_Security_Type d on a.Security_Type = d.Security_Type
------------------
inner join (select e.Budget_Center_ID + ' - ' + e.Budget_Center_Description As Budget_Center_Description,
f.Company_Name, g.Enterprise_Description, h.Business_Segment_Description,
i.Team_Description
from Company_Hierarchy_Security a.
Inner JOIN Budget_Center e on a.Security_Value = e.Budget_Center_ID
Inner JOIN Company f on a.Security_Value = f.Company_ID
Inner JOIN Enterprise g ON a.Security_Value = Cast(g.Enterprise_Number As Varchar(5))
Inner JOIN Business_Segment h on a.Security_Value = h.Business_Segment_ID
Inner JOIN Team i on a.Security_Value = i.Team_ID
_____________________________________________________________________
What I need is the Description that are located in 4 other different tables that matches the Security Value from my first querie.
The result should look like this...
Network Id full Name Sec Class Desc Sec Type Desc Security Value
tst , Test Example , Accounting ,Budget Center , 142-Accountig dept
Thank you very much,
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Oct 14, 2005
Any recomendations on how to store organization trees on a database withlots of paths and branches? Any white papers out there that explain this?Thanks
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Sep 12, 2006
Hello,I have a "tree" table:Id - primary keyParrentId - (foreign key) related to IdTitle.....when I delete some record I want to delete it with all childs (cascadedeleting). I can't set cascade deleting on the same table :(. Is thereany easy way in the MSSQL 2005 to do this ? There is one idea - usingcursors + recursive functions but I think this solution is not easyand elegant.Thakns for any help and sugestions.Regards.Andy
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Mar 5, 2008
Hi:
Is there a resource or an object in Reporting Services that I could make a tree view in a report file .rdl and see the result on it?
If not, is there a software of MS that a could make a component for it, and connect this component in the report file .rdl ?
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Apr 16, 2007
I'm having this problem.....
I wanted to use the Decision Tree to show a result..... after i configure the Mining Structures..... and set all the input.... my decision tree shows only until level 2..... i have 3 input and one PredictOnly column.....where is the other input?
Say.... i have House Owner, Marital Status, Num Cars Owned and Number Of Children(PredictOnly)
my Tree only shows All ---- > Marital Status when i input all 3 together...... the other 2 doesn't seems to show.
wat should i do?? my database in SQL Server and the other keys are all correct and deploying finely.....why is this happening.....?
i'm a newbie in this software.......so any pro here can plz help me if there's actually something that i might have missed out along the way.......
Thank you again.........
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Feb 28, 2008
Alright what im trying to do is build a classic tree, i have id's like this set up in my table referencing itself in sql 2000
cmponent_prt_no parent_part_no
--------------- --------------
112837A2A L115100-1
114379A1A L115100-1
115623A1A L115100-1
203604A L115100-1
203790A L115100-1
203791A L115100-1
115623A 115623A1A
M010137 115623A1A
115623A 115623A1A
20766CR 115623A1A
DRAWINGS 20766CR
M010137 20766CR
i have tried 3 different solutions all coming to a crash at some point, if ANYONE can help me out i would appreciate it, i know the logic will be recursive, i just dont know how to implement
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Aug 21, 2007
Hi..I have a table register..in this fields are username,parent id,downline ; I have to determine all the child of a particular parent.
suppose table is like this. username parentid downline
B A left
C A right
D B left
E B right....
I have to also determine the level in the tree....please help...
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Dec 6, 2000
Hello all!
I have a table defined as:
create table OrgTree (parent int, child int)
OrgTree has the following data:
1,2
1,3
2,4
2,5
3,6
4,7
4,8
8,9
Is there a SQL stmt that will return, given a particlar parent, all of the children (and children's children, etc.) of that parent?
So, parent value 1 returns 2,3,4,5,6,7,8,9
parent value 2 returns 4,5,7,8,9
parent value 3 returns 6
etc.
Thanks in advance for your help!!
Palmer F
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Oct 30, 2001
I just started having this problem. When I log into SQL2000 enterprise manager and click on my database, the main directory tree shows up. When I click on the Database tree to display all of the different databases on the SQL server, the text 'No Items' shows up. I can not get to any databases, but I am connected to the SQL server. Does anyone have a solution for this problem?????
I have tried re-inatalling and all of the service packs.
Thanks !!
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