I have a table, gdbdoc, that contains record-key pairs, linking records in another table. There is no significance in the order of the link: if records A and B are linked, then I don't care whether the link is A -> B or B -> A, and my normal query logic is
SELECT ... Where DCIindiid = A ...
union
SELECT ... Where DCILinkid = A
(DCIindiid = key1, DCILinkid = Key2)
The link-creation process normally checks whether there is already a link in either direction. Thus before creating a link A->B the logic checks to see whether either the A->B or B->A link record exists, and a new link is not created if the link already exists in either direction. However recently one of my processes bypassed the reverse-link check, and I've ended up with a few hundred cases where there is both an A->B link and a B->A link.
If I run a query: -
select gd1.* from gdbdoc as gd1 join gdbdoc as gd2 on gd1.dciindiid = gd2.dcilinkid and gd1.dcilinkid = gd2.dciindiid
this displays all the records where one record links A -> B and there is also another record that links B -> A.
How do I write a query to delete ONE of the pair of duplicate records? I have two problems: -
Problem 1: Table gdbdoc is keyed on (DCIindiid, DCILinkid). Both guids are needed to create a unique key, and the table does not have a single key field. You can't write
DELETE gdbdoc where DCIIndiid, DCILinkid IN select gd1.dciindiid, gd1.linkid
from gdbdoc as gd1 join gdbdoc as gd2 on gd1.dciindiid = gd2.dcilinkid and gd1.dcilinkid = gd2.dciindiid
as the DELETE ... SELECT ... syntax only seems to support a single returned value.
Problem 2. If we solved problem 1, we would (I think) delete BOTH the A->B link and the B->A link , whereas I only want to delete one of these links.
Afterthought: Problem 2 seems easily solvable: add "Where gd1.DCIindiid < gd1.DCILinkid" to the DELETE ... statement. Although the concept of "<" doesn't really mean anything with a guid, this is accepted by SQL, and halves the number of records returned by the select. Obviously I don't care which of the two links (A->B or B->A) is deleted.
I am using Master Data Service for couple of months now. I can load, update, merge and soft delete data in MDS. Occasionally we even have to hard delete data from MDS. If we keep on soft deleting records in a MDS table eventually there will be huge number of soft deleted records. Is there an easy way to hard delete all the soft deleted records from all MDS tables in a specific Model.
I have been trying to solve the locking problem from past couple of days. Please help mee!!
Scenario: -------------- I have a SSIS package in which 2 data flow tasks. 1st data flow task deletes records from a 5 tables and the 2nd data flow task should insert records into 1 of the five tables after the success of 1st data flow task. This scenario runs in Transacation.
The above scenrio in the 2nd data flow task hangs in runtime. It does not complete. with sp_who2 command i could see that there is an intent share lock(LK_M_IS) on the table and the status is SUSPENDED.
I dont know how to come out of this locking. Please help.
Hi,I need to display a dataset where everything is dynamic.e.g. I have a table with columns "Code", "Description" and "Inspected" andanother table with columns "UserCode", "Name", "PostCode" and "Town" etcAnd I need to dislay data like this from a single db proc with parameters:-(TableName, ColumnName, ColumnValue)Procedure called with these parameters (CodeTable, Code, TD001) would returna dataset like this:-----------------------------------|Code | TD001|Description| Printer|Inspected | Y---------------------------------Not----------------------------------|TD001|Printer|Y---------------------------------Procedure called with these parameters (UserTable, UserCode, CP1) wouldreturn a dataset like:----------------------------------|UserCode | CP1|Name | Charles|PostCode | 2000|Town | Sydney---------------------------------Not---------------------------------|CP1| Charles| 2000| Sydney---------------------------------Any ideas how I would code the database proc, I did consider using XML butnot sure.ThanksAJP
I want to store many different types of objects in a single table. Iwas thinking of using the name value pair approach to achieve this.Does anybody have any experience with a such a design?The table might look like thisCREATE TABLE NV (pk int, type int, [name] varchar(100), valuevarchar(100))--Insert a manager - type = 1INSERT INTO NV (pk, type, [name], val)VALUES (11, 1, 'FirstName', 'John')INSERT INTO NV (pk, type, [name], val)VALUES (11, 1, 'LastName', 'Smith')INSERT INTO NV (pk, type, [name], val)VALUES (11, 1, 'Position', 'CEO')--Insert an employee - type = 2INSERT INTO NV (pk, type, [name], val)VALUES (21, 2, 'FirstName', 'Joe')INSERT INTO NV (pk, type, [name], val)VALUES (21, 2, 'LastName', 'Blog')INSERT INTO NV (pk, type, [name], val)VALUES (21, 2, 'Position', 'Developer')--Insert an inventory item - type = 3INSERT INTO NV (type, [name], val)VALUES (13, 3, 'Name', 'Chair')INSERT INTO NV (type, [name], val)VALUES (13, 3, 'Color', 'White')INSERT INTO NV (type, [name], val)VALUES (3, 3, 'Price', '$150')
Hi, I have to log the Details of the incoming xml message into databse. But the values logged will vary with the message.So I cant fix the mumber of columns. I thought of using table in which the fields are logged as Key-Value Pairs. The table looks as below.
using dynomic query i was able to get the results as follows TransactionID PONumber Sender Receiver 1111 123 xxx yyy
Till now every thing was fine. but now i got new requirement where i have to identify each column with its parent. For example if we consider the line items of the PO, table may look like below.
I am unable to design the database which satisfy the requirement of the reporting. I not even know how to query the data which is logged like this. Help me by giving the inputs to design databse for the above problem and to query the data .
Hello, its hard to explain, i have a table like this: --userpage_visitors-- id bigint owner nvarchar(20) visitor nvarchar(20) created datetime Then i have some code like this: (@Visitor is send to the stored proc)DECLARE @lastuser nvarchar(20)SELECT TOP 1 @lastuser = visitor FROM userpage_visitors WHERE (owner = @UserName) ORDER BY created DESCIF (@lastuser <> @Visitor)BEGININSERT INTO userpage_visitors (owner, visitor, created) VALUES (@UserName, @Visitor, @Created)-- delete hereEND Now after i have inserted the new visitor into the table, i need to clean the table... so each user should have maximum of 30 visitors, so if the user i inserted above is the 31st user then i need to delete the first user, so i always have 30 fresch visitors,, if they have less then 30 visitors then nothing should happen. The question is, how can i get the 31th post? in mysql you can say that you want post 30, 31, but in mssql you only have the TOP to select limited posts, any ideas? Patrick
Hello, I have 3 tables with their columns as follows: + LabelsInDocs [LabelId] PK FK , [DocsId] PK FK + Labels [LabelId] PK , [LabelName] + Docs [DocId] PK , [DocUrl] I set Cascade Delete On so when I delete a Doc all records in LabelsInDocs will be deleted. However, when a Doc is deleted I want also to delete all records in Labels for the labels which do not have any Doc associated to it in LabelsInDocs. How can I do this? Thanks, Miguel
hello friends. i have table1 in aspnetdb.mdf and i have picturefile of columname.. datatype of picturefile is vchar(50) i want to delete my record automatically from my table1 after two weeks from inserting my record date.. i want to delete my picture file that located /pictures/tree.jpg (example).. pictures/tree.jpg was uploaded as picturefile on table1 by user before how can i do this ? cheers
Currently i writing a program to delete Records in the SQL database using VB.net language... BUT i not sure whether i am right??? Pls provide me with the coding using a command object to delete records in SQL database...thank...however i tried the codes below but not working ...Pls help
Dim StrConnection As String = "workstation id=""ET-T15404-PC1"";integrated security=SSPI; etc
Dim objConnection As New SqlConnection(strConnection) Dim strSQL As String = "Delete Seller.Admin FROMSeller WHERE Seller.no=tb.no" Dim dbComm As New SqlCommand(strSQL, objConnection)
Hello,I have a database called articlesI want to delete all articles from a subgroup e.g. DVDIf I am in the enterprisemanager what steps do I have to take to do thisthanks in advancePaul
I have some records that will not delete, whenever I run a deletestatement in the Query analyzer, it never completes the statement, andI am only deleting one record at a time. Can anyone tell me why arecord wouldn't delete?
my page suddenly stopped working when I wasn't working on it and it seems to be down to the 'ORDER BY' part of my SQL. I'm here alone as usual and I need someone to glance at the sql strings below. (yes, I do need the select *) If I run this in SQL Manager it works fine: SELECT * from dest_search WHERE trip_type like 'Trekking' ORDER BY start_date if I do the same from my asp page it fails but if I leave out 'ORDER BY start_date' it works.
the error I get is: Microsoft OLE DB Provider for SQL Server error '80040e21' Multiple-step OLE DB operation generated errors. Check each OLE DB status value, if available. No work was done.
/Newindex/trip_types.asp, line 53
line 53 is the 'desc = oRS...' bizarrely oRS.Open strSQL, oConn, 2, 3 oRS.moveFirst Do while not oRS.eof country = oRS("country") 53---> desc = oRS("description") url_link = oRS("url_link") startDate = oRS("start_date") endDate = oRS("end_date") trip = oRS("trip_type") difficulty = oRS("difficulty") not all the descriptions are filled in (some are null) but that doesn't stop SQL manager from working or unordered results coming up fine in my web page.
I would like to create a table with primary key pair:
Key1 : nchar(10) Key2: nchar(10) Value: money
That is, Key1 and Key2 are the primary key columns for the table. I would like to think of (Key1='Foo', Key2='Bar') to be the "same" as (Key1='Bar', Key2='Foo'). Is there a way to enforce this as a table constraint, or do I have to enforce this manually in all procedures that modify and read the table?
I use a tabel for storin log data from a mail server. I noticed that I'm getting duplicate records, is there a way to delete the socond and/or third entry so I dont have any duplicates?
Userid is auto number, lastname and emailaddress are PK.
I want to delete duplicate records. If lastname and emailaddress are the same, only keep a record which createdate is the most newest date. See above example I only want to the record which userid is 3. I have alreday created a code which I attached below. This code onle keep a record which userid is 1.
Anybody can help me to solve this problem? Thanks.
============== My current code ==================== delete from userprofile where userprofile.userid in --list all rows that have duplicates (select p.userid from userprofile as p where exists (select lastname, emailaddress from userprofile where lastname = p.lastname and emailaddress = p.emailaddress group by lastname, emailaddress having count (userid)>1)) and userprofile.userid not in --list on row from each set of duplicate (select min(p.userid) from userprofile as p where exists (select lastname, emailaddress from userprofile where lastname = p.lastname and emailaddress = p.emailaddress group by lastname, emailaddress having count (userid)>1) group by lastname, emailaddress)
:confused: Urgent!! Hi there. I use MS SQL server. I would like to separate the data from one table to two tables refer to two reference tables and the following conditions:
Let say these two reference tables are called: Table A & Table B
Group A: 1. Same date in Table A & Table B 2. Same ID in Table A & Table B (ID is not unique) 3. Same name in Table A & Table B (Name is not unique)
Combine all of these three conditions for unique identifier.
I used the following SQL code to separate the required data that match the above conditions to the new table. (Code) select a.Project, a.Site, a.S_number, a.Field_ID, a.Method, a.Analyte, a.Result, a.Units, a.Qualifier, a.Dilution_Factor, a.Reporting_limit, a.Recovery_, a.Matrix, a.CAS_Number, a.Sample_Date, a.Received_Date, a.Prep_Date, a.Analysis_Date, a.Batch_ID, a.Data_Package_num_SDG, a.Lab_Sample_ID, a.Lab into APPL_union_exist from APPL_union_update a, Before_01012004_report b where a.Field_ID = b.[Field Sample] and a.Sample_Date = b.Collected and a.Analyte = b.Analyte
However, I don't know how to delete the data that copied to the new table in original table, or separate that to the new table. Wish someone can help me. Thanks a lot
i don't know if this is the right forum to post to, but here i go:
I'm having a problem... I need to delete several records having as criteria their pk. The deletion is made using SqlParameter in the code and a stored procedure on server.
as far as i know, i can do this, either using a IN list:
- build and pass the list of id's from code to the sp: delete from tbl where attachment.id in (1,2,3)
OR
- execute a simple delete several times.
So far i tried first option, but i get errors in converting the list to ints; that is what the sql engine says. I prefer this option because i think is faster and requires less roundtrips to the sql server.
My questions are: 1. how do i build a sane IN list? 2. is it worth to use a delete in a loop? the records that must be deleted are 5 at most, per job. 1 job can have [0..5] attachments.
I want to modify a current DTS job I have. It simply copies records from one table to another after a given date. The catch is I only have read priviliges on the source table. I currently delete all the records from the destination table but have to use Query Analyzer to do it and then run the current package that is just a simple select statement. The statement in the DTS job is something like:
SELECT * FROM tablename WHERE date_field > '2004-09-30'
I have been running this multiple times per month since every week or so I want to get more recent data to run a couple of reports. The source table is not ours, it is in a different department, so I can only read off of it. The destination server is ours so I have full priviliges there. I assume the fact that the source server allows me limited access that I cannot run a "delete from tablename" first even though it is on our table? Is there another way to set this up? Thanks again. You guys are the best.
I have a database in Simple mode from which I wish to delete several million rows of one table (not all rows so 'TRUNCATE TABLE' is no good), without making the transaction log file grow to several GB in size. Any ideas??? I'm almost at the point where I might create a new table and copy the records I want to keep instead... Thanks, Simon.
I have a little dilemma. I have a table ALLTABLE that has duplicate records and I want to delete them. ALLTABLE has these columns with these values for example:
As you can see there is some duplicates in the first 3 rows and the final 2 (the entity number is the only difference). I want the table to look like this:
Policy Premium Class State Entity Number ADC-WC-0010005-0 25476 63 31 1 ADC-WC-0010005-0 1457 63 29 4 ADC-WC-0010092-1 2322 63 37 1 ADC-WC-0010344-0 515 63 01 1
Thank you so much for the help. It is really appreciated.
I have the following table customerid customername ------------------------ 1 AAA 1 AAA 2 BBB 2 BBB 2 BBB 3 CCC 3 CCC
Here, I need to delete duplicate records from the above table. After deleting the duplicate records the table should be like this: customerid customername ------------------------ 1 AAA 2 BBB 3 CCC
I was wondering if any one could help me. I have two tables from which I need to delete information from. I have an excel spreadsheet which has the reecords in need to delete.
Is there any way I can delete them all in one go instead of going through each delete query manually?
In SQL Server 2005 is there a way to delete records from a table when the user logs out of the software? Other db products allow you to create a trigger on the logout event. Does SQL Server have an equivalent?
one table must be deleted based on a filter (I mean the table is not delete completely but only some records), I would like to delete same records in the second table. for ex: table 1: pk: 1,2,3,4,5 table 2: pk: 1,2,3,4,5 table 1: deleting 1,2, 3 thus also in table 2 pk: 1,2,3 must be deleted. At the and of process Table1 and Table2 must have the same records (always also in the case of failure, errors and so on ).
The target is avoid using triggers. OUTPUT is not useful because it writes what is deleted (or may be useful but how to use it?).
