Transact SQL :: Flattening Hierarchical Data In Specific Format
Apr 22, 2015
I have the data in this format
ID NAME ParentID
CV1 CV1NAME CV
CVX1 CVX1NAME CV1
CVXX1 CVXX1NAME CVX1
CV2 CV2NAME CV
CVX2 CVX2NAME CV2
CVXX2 CVXX2NAME CVX2
How can i flatten this data into this format
CVID CVNAME CVXID CVXNAME CVXXID CVXXNAME
cv1 cv1name cvx1 cvx1name cvxx1 cvxx1name
cv2 cv2name cvx2 cvx2name cvxx2 cvxx2name
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Jun 22, 2015
I have hierarchical data such as:
Id Level ParentId
1 0 1
2 1 1
3 2 2
4 0 4
5 1 4
6 0 6
7 1 6
8 2 7
9 3 8
10 4 9
11 0 11
As you can see even the parent element has parentId(in this case id = parentid)
How can I select the lowest level data in the hierarchy and get this result:
Id Level ParentId
3 2 2
5 1 4
10 4 9
11 0 11
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Aug 10, 2015
I am still learning T-SQL .Lets consider the table below, ID 1-3 shows our purchase transactions from various Vendors and ID 4-6 shows our payments to them
Table 1 - VendorTransactions
ID PARTY AMOUNT VOUCHER
---------------------------------------
1 A 5000 Purchase
2 B 3000 Purchase
3 C 2000 Purchase
4 A 3000 Payment
5 B 1000 Payment
6 C 2000 Payment
7 A 1000 Payment
Now we have a blank table Table 2 - Liabilities
ID PARTY AMOUNT
I want that SQL should look for each individual party from Table 1 and Calculate TOTAL PURCHASE and TOTAL PAYMENTS and then deduct TOTAL PAYMENTS from TOTAL PURCHASE so we get the remaining balance due for each party and then add the DIFFERENCE AMOUNT alongwith PARTY to the TABLE 2 so I can get the desired result like below
ID PARTY AMOUNT
-------------------------
1 A 1000
2 B 2000
3 C 0
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Aug 1, 2015
i have table that has rows as below
DECLARE @Table TABLE
(minv_code INT,
alert_msg varchar(10),
alert_time Datetime)
[code]...
i want to select the data priority wise. the o/p should look like
e.g first row - 873939, 'Meter', '7/24/2015 3:31:22'
second row - 873939, 'Tamper', '7/24/2015 3:30:00'
third row - 873939, 'Reverse', '7/24/2015 3:31:18'
fourth row -873940, 'Tamper', '7/24/2015 3:31:22'
fifth row - 873940, 'Reverse', '7/24/2015 3:30:00'
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Jul 20, 2015
I’ve got an issue with extracting specific data from one field using charindex. Here’s an example of the dataset:
Cl_nr Var_data
20059942 ?;;300134BL10;?;;;;;;
20059958 ;2698;020225PU20;?;;;;;;
20059975 ;;100777ST20;?;;;;;;
20059976 ;;;;;;;;;
11001980 ;;051168PU20;?;;;;;;1001980
20034832 ;;060253BO10;?;;;;;;
20055246 ;;1108731;?;?;;;;;
20043656 ;;1022509;?;;;;;;
20059366 ;;1181750;31-12-2015;2;;;;;
20052712 ;;230626NO10;?;;;;;;
Goal is to get the data after the 2<sup>nd</sup> ; until the next ; starts. Ideal would be to catch everything between the 2<sup>nd</sup> ; en 3<sup>rd</sup> ; (number should be 10 characters).
If I try to select this data just using charindex it only goes until it finds the first ; (of course), what’s the best approach in this?
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May 23, 2015
I need to select specific values from all rows where the value of a specific column is "Active"
This part works: SELECT LastName, FirstName, MiddleInit, ClientId FROM dbo.Client
But I want to add: WHERE StatusType = (Active) and how to do this.
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Oct 19, 2015
I have a lookup table with 4 levels of codes like follows:
create table #RiskElementCategory(
[RiskElementCategoryCode] [nchar](5),
[RiskElementCategoryCodeDsc [nvarchar](50),
[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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Apr 23, 2015
I've a requirement to deliver the metadata in the xml format, from the database. when the sp is called. I am trying to develop a query whos output should be something like belo..I've the below data available in the table
<Cols>
<Col1>
<SrtOrder>0</SrtOrder>
<Legend>N</Legend>
<ColName>Employee1</ColName>
[code]....
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Aug 12, 2015
I need to scrambled data for a column which has 9 characters or more and numbers conditions..
1) if the column are all numbers and length of the column is 9 then keep the 1st 3 characters same and the rest 6 numbers should be scrambled by converting each character to ASCII value then use 5 arthematic opertors to get a new number then by using substring to get the 6 character value then joining first 3 letters with 6 letter that we have scrambled.
for eg: let say we have 345678900 then first 3 numbers should be same '345' then the rest should be scrambled like this taking '678900'.. the ascii value for this number is 545556574848 then use 5 arthematic operator to get a new value and then we can use substring to get 6 charactor value. and the final out will be adding the first 3 with last 6.
2) if the column has character and numbers, for eg- a2345sd09 then first 3 character will be remained same and then with last 6 characters only the number should be scrambled. last 6 - '45sd09'. here sd will be remain same and all the numbers will be scrambled with different number.and if it has extra character like /'(*&^%' for eg madman06/08 then here keeping the extra character and alphabets only the numbers will be scrambled.
how can i achieve this code?
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Jun 4, 2015
I have 900000 rows of data in a table and a sample of it is as shown below.Now I need to convert data into the format shown.
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May 10, 2015
I would like to know what is the preferred format for form submissions to a SQL table.
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Sep 15, 2015
I want to select custom format from table?
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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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Jun 30, 2015
We have a "main" SQL 2014 server who imports XML files using SSIS in a datacenter. In remote sites (which are warehouses), there is an instance of SQL 2014 Express. A merge replication is setup, as every operations done on each site must be "forwared" to the main database, as some XML files are generated as output for an ERP system.
Now, the merge replication replicate all the data to the server on each sites. But a specific site don't need the data of every other sites, only the data relevant to itself (which is the warehouse code). Is there a way to replicate only the data relevant to each individual sites to the subscribers? Or is there a better way than replication to accomplish this?
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Jun 4, 2015
I have a table which stores date-of-birth in varchar 19861231(yyyymmdd). A view takes this data. I want to store this date as mmddyyyy in the view. How can we achieve this?
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Sep 28, 2007
Hi,
I would like to know best way to design the database for the following requirement. I have a collection of tree nodes. each node has a type and set of attributes and a parent node (except for the node which has no parent). node type refers to the level of the node in the tree. child node inherits the attributes from the parent node (similar to object oriented programming where derived class inherits properties of the base class). user can add/update/delete nodes from the tree and user can choose to override the attributes of the parent node in child node.
what is best way to store this type of data? should there be a separate table for each node type (level in the tree). but the problem with this approach is that we need to duplicate the columns of the parent node, because user can overwrite the parent node attributes in the child node. there can be more than one at the same level and all of them share same set of attributes. this concept is exactly like inheritance in object oriented programming. as far as the data is concerned, there are around 15 levels, around 30K nodes and 30 attributes spread across different node levels.
thanks,
RK
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May 1, 2006
How can I create a function that returns hierarchical data from a table with this structure:
- CategoryID
- CategoryName
- CategoryFather
I want to bring the result set like this...
CategoryID | CategoryName | CategoryFather | HierarchicalLevel
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
7 | ColdFusion | 5 | 2
How can I do this? Does anybody has a sample code? I need this on SQL Server 2000 and if it's possible (but not too necessary) in SQL Server 2005.
Thanks.
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Apr 17, 2008
Hello
I have a problem that I am hoping somebody can help me with!
I have built a hierarchy using the adjacency list model so I have records with an id that maps to the parent record so my hierarchy looks something like this:-
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
and so on. What I would like to be able to do is flatten out the hierarchy so I get something like below where each level is in a column.
NewsPapers National Newspapers Daily Express Express Publications
NewsPapers National Newspapers Daily Express Express Supplements
Ive used CTE's for displaying the hierarchy and producing aggregate figures when joing the hierarchy to spend information but am struggling to come up with any code that would produce a flattened hierarchy.
Any help would be greatly received!
Thanks
Rich
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Feb 17, 2006
hi folks,
I have to import hierarchical text files like:
32;country;city;postalcode;street
21;name;firstname;salutation;title;age;nickname
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
so now I have an output with [country;city;postalcode;street] and one with [name;firstname;salutation;title;age;nickname]. How do I split this in columns, put it in a dataset keeping the relations and remove doubles ?
Iam looking forward for any helping idea.
rgrds,
matze
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Aug 3, 2013
CREATE TABLE #Source
(
Id int identity(1,1)
,categoryint
,Leaf_Node_code varchar(10) --
,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 ,
Below is the target table, here Leaf_Node_code should populate to only for leaf nodes for each category .. Need to populate Node_id with hierarchical data
I am unable frame a sql query to handle different levels , in future #Source may have more levels .
How to handle multiple hierarchy levels .. here only leaf node should have Leaf_Node_code
CREATE TABLE TARGET_TABLE
(
ID INT IDENTITY(1,1) primary key
,Node_id HIERARCHYID
,category int
,Parent_id int references TARGET_TABLE(id)
,Leaf_Node_code varchar(10)
,Namevarchar(20)
)
Here is the expected output:
IDcategoryParent_idLeaf_Node_codeName Node_id
11NULLNULLWorld
211NULLAsia
312101India
42NULLNULLa
524NULLaa
625NULLaaa
726102aaaa
83NULLNULLb
938NULLbb
1039NULLbbb
11310NULLbbbb
12311103bbbb
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Nov 30, 2013
I have two table. Department is hierarchical table.
Department
--- id (int primary key)
--- name (varchar)
--- parent (int)
Users
--- Id
--- name
--- department_id
This query return all data from departments. But i cannot understand how get data from users
SELECT t1.name AS lvl1, t2.name as lvl2, t3.name as lvl3
FROM Department AS t1
LEFT JOIN Department AS t2 ON t2.parent = t1.id
LEFT JOIN Department AS t3 ON t3.parent = t2.id
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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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Dec 12, 2014
I have sample data like 'J.S.xxxx','J.xxxx.'
Want to separate the . in the middle of word with single space and display results in following way.
J. S. xxxx
J. xxxx
Need the code in optimized way.
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Jul 17, 2013
I tried to scheduled and save a Report Via SSRS. The Exporting file name need to be in this format -- 17July2013_NewSystem.csv
I have tried using @timestamp in file name, but the file was saved like this 2013_07_17_090529_NewSystem
How to specify the filename to get the desired format ie. the file name deposited in the folder be --
17July2013_NewSystem.csv
18July2013_NewSystem.csv (for tomorrow and so on)
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Dec 17, 2014
I have event table with below sample value :
table name : Events
EventId EventName EventDateTime StartTime
----------------------------------------------
1 Event1 2014-12-16 00:00:00.000 4:30 PM
2 Event2 2014-12-16 00:00:00.000 8:00 PM
4 Event4 2014-12-17 00:00:00.000 10:30 AM
3 Event3 2014-12-08 00:00:00.000 11:25 AM
1 Event1 2014-12-17 00:00:00.000 8:30 PM
2 Event2 2014-12-12 00:00:00.000 6:00 PM
3 Event3 2014-12-15 00:00:00.000 10:45 AM
5 Event5 2014-12-16 00:00:00.000 2:30 PM
I would like to get the next recent Event Based on the current date time, It should be like below format...Suppose today is 2014-12-17 and Current Time is 07:30 AM The expected result should be
NextEvent
------------
Upcomming Event : Event 4 - This Morning 10:45 AM
Specifically i am looking for a Format Like Below
If we have the event by TODAY, The result should be in below format
This Morning (12:00 AM to 12:00 PM)
This Afternoon (12:00 PM to 4:00 PM)
This Evening (4:00 PM to 7:00 PM)
Tonight (7:00 PM to 11:59 PM)
[code]....
how to get this expected result in SP/
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Mar 21, 2008
I am very early on in developing a website to track issues with projects which is tied to a SQL database. I have my Projects Table, my Users Table, and am creating a third table to track issues. I'm wondering what is the best way to assign specific users to specific data/projects. The user should only be able to view & update the projects assigned to him. He should not be able to see other projects. What is the best way to assign projects/data to the users to make sure they are only viewing their data?
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Sep 3, 2006
I would like to retrieve a hierarchical list of Product Categories from a single table where the primary key is a ProductCategoryId (int) and there is an index on a ParentProductCategoryId (int) field. In other words, I have a self-referencing table. Categories at the top level of the hierarchy have a ParentProductCategoryId of zero (0). I would like to display the list in a TreeView or similar hierarchical data display control.Is there a way to retrieve the rows in hierarchical order, sorted by CategoryName within level? I would like to do so from a stored procedure. Example data:ProductCategoryID CategoryDescription ParentProductcategoryID ParentCategoryDescription Level------------------------------------------------------------------------------------------------------------------------------------------------1 Custom Furniture 0 02 Boxes 0 03 Toys 0 04 Bedroom 1 Custom Furniture 15 Dining 1 Custom Furniture 16 Accessories 1 Custom Furniture 17 Picture Frames 6 Accessories 28 Serving Trays 6 Accessories 29 Entertainment 1 Custom Furniture 110 Planes 3 Toys 111 Trains 3 Toys 112 Boats 3 Toys 113 Automobiles 3 Toys 114 Jewelry 2 Boxes 115 Keepsake 2 Boxes 116 Specialty 2 Boxes 1Desired output:Custom Furniture Accessories Picture Frames Serving Trays Bedroom Dining EntertainmentBoxes Jewelry Keepsake SpecialtyToys Automobiles Boats Planes Trains
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Feb 18, 2008
Hi All,
I am attempting to create a Visual C++ application based on displaying financial charts and am using SQL Express to store Stock information such as the Exchanges the stocks are traded on, the indicessectors they belong to and the Closing prices for as long as I can download data for. I am not proficient in C++ nor SQL and am using this project to learn both languages as well as making myself rich beyond my wildest dreams.
I have "designed" a database with the following tables:
tblDate_ 1 column clmDate (Primary Key, smalldatetime, NOT NULL)
tblStockExchange_ 4 column clmStockExchangeID (PK, int, NOT NULL)
clmParentID (int, null)
clmStockExchange (nvarchar(50), NOT NULL)
clmMarkets_ (FK, nchar(20), NOT NULL)
tblMarkets_ 1 column clmMarkets (PK, nchar(20), NOT NULL)
tblIndices_ 1 column clmIndices (PK, nchar(50), NOT NULL)
tblSectors_ 1 column clmSectors (PK, nchar(50), NOT NULL)
tblMarkets_Sectors 3 columns clmMarkets_SectorsID(PK, int, NOT NULL)
clmMarkets_ (FK, nchar(20), NOT NULL)
clmSectors_ (FK, nchar(50), NOT NULL)
tblSecurities_ 4 columns clmEPIC (PK, nchar(10), NOT NULL)
clmSecurity_Type (nchar(5), NOT NULL)
clmSecurty_Name (nchar(50), NOT NULL)
clmSectors_ (FK, nchar(50), NOT NULL)
tblSecurities_Indices 3 columns clmSecurities_IndicesID (PK, int, NOT NULL)
clmEPIC_ (FK, nchar(10), NOT NULL)
clmIndices_ (FK, nchar(50), NOT NULL)
tblSecurities_Date_OHLCV 8 columns clmOHLCVID (PK, int, NOT NULL)
clmEPIC_ (FK, nchar(10), NOT NULL)
clmDate_ (FK, smalldatetime, NOT NULL)
clmOpen (float, NOT NULL)
clmHigh (float, NOT NULL)
clmLow (float, NOT NULL)
clmClose (float, NOT NULL)
clmVolume (float, NOT NULL)
Why so many tables? perhaps you should put some more in...
This was the only way I could work out how to store one-to-one and one-to-many relationships required for:
- Many closing prices for many stocks
- Stocks belonging to many indices
- Stocks belonging to only one sector
- Stocks belonging to only one market (MainMarket or AIM for LSE)
- Stocks belonging to only one Exchange (I am aware of dual listed stocks but one thing at a time)
Why nchar's and not nvarchar's?
Because I didn't realise the benefits of nvarchar's until recently. How can I change this a loose the extra spaces in the cells.
Why do some tables have IDs and others don't?
I decided to put ID columns in for tables that didn't have obvious Primary Keys - if someone could explain the advantages if ID columns I would be grateful.
To the SQL Professional's eye there will be some obvious things wrong with this design and your criticism is welcome. The database I have is achieving what I would like it to do; I can plot charts using the data but I have ran into problems when trying to create a TreeView control which is what I would like to use as a navigational tool in my application.
It would seem that pulling hierarchal data from a relational database, to pass to the TreeView control, is a tricky task to say the least. I have found many articles online which discuss how to do this (using an Adjacency List Model or Nested Set Model) but they define a fairly simple example at the beginning (based on fruit or electrical goods) but don't appear to talk about gathering data from an existing relational database or changing an existing relational database so that it is more suited to storing hierarchal information. I have Joe Celko's - Tree and Hierachies in SQL for Smarties but sadly this fine material is a little beyond me!
I would like the hierarchy to look like this:
StockExchange
Market
Sector
Stock
Indices
Sector
Stock
I have written three queries to get the StockExchangeMarketSectorStock information individually from each table but am struggling with ways to put all the rows together, add left and right values (Nested Set Model) then run queries against this to get individual nodes to pass to the TreeView control. Therefore is there something I need to add to the original design?
Any help would be greatly appreciated.
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May 16, 2013
I am trying to output a number in a specific format. I am playing with CAST() and CONVERT() but have not been able to get what I need.
Current: 0.019891
Desired: 000199
It doesn't have to remain in a number format, as i will be output to a CSV in order to bulk load into another system.
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Dec 4, 2014
I need to insert and update a table. One column of the table needs to conform to a format as: XXXXXXX.XXXXX
If any data is not complying to the format an error needs to be thrown.
How to implement this constraint!
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Feb 27, 2008
I am required to send an XML file of our clients to head office in Belgium for comparison against a database of known undesirables. The data is in a legacy system with a custom database so I have created an SSIS package that extracts the tables I need into SQL Server and have developed a program that reads from a text source and creates the XML then Secure FTPs it to Hong Kong who will handle it from there.
My problem lies in actually extracting enough data to avoid too many false positives. The scanning will check name, identity (passport number, etc.), town/city and country. We don't hold an identity number and the town/city and country are buried in free format fields. A quick analysis of the 419,000 records shows that the spelling is terribly unreliable, too. In most cases country has not been entered because the clients are local and even when they are overseas, sometimes only the city has been entered. That is often misspelt, too e.g. Kuala Lumpar or Melboure.
The addresses are held in 3 equal length fields called Address_1, Address_2 and Address_3. There's no guarantee that I will find the town/city or country in any particular one of these fields. In some cases, the street number and name are in Address_3 because the first two hold a company name and a C/O line.
So I'm not going to fret over the ones where the address information is nonsense or missing but I would like to try and extract valid country names and town/city names, where present and this is where I get stuck. I'm from a COBOL programming background and although I'm loving getting used to the power of SQL, I'm still a bit stumped when I come across a problem like this probably because I keep thinking of the solution in procedural terms.
I have a feeling that the solution will be to create two separate reference tables, one of towns/cities and the other of countries. I would then somehow search the 3 fields looking for those keywords and if found, entering them in the appropriate part of the output text file to represent town/city and/or country. I did also think about destringing to find the separate words but that doesn't help where the name consists of two words such as NEW ZEALAND.
I would love to hear from anyone who has dealt with a similar problem and has a neat solution to this using SQL.
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May 9, 2008
Hi all!
I am trying to organize a hierarchical data structure into a table. I need to have the possibility to set 2 parents for some nodes. Curently I see following two options:
Example 1
id parent_id name-----------------------------------1 0 Level 1 Parent A2 0 Level 1 Parent B3 1,2 Level 2 Child
Example 2
id parent_id name-----------------------------------1 0 Level 1 Parent A2 0 Level 1 Parent B3 1 Level 2 Child3 2 Level 2 Child
Is any of the two examples valid database logic wise? In fact, is it possible to achieve the requirement by using only one table?
Thanks in advance,
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Mar 10, 2015
selecting table data in hierarchical XML .
Here is the sample table DDL and data
Declare @continents Table
(
id int identity (1,1)
,continent_id int
,continent_Name varchar(100)
,continent_surface_area varchar(100)
,country_id int
[code]....
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