T-SQL (SS2K8) :: Deleting Only 1 Row At A Time Instead Of Using Condition And Deleting Many Rows?
Jul 18, 2014
/****** Object: StoredProcedure [dbo].[dbo.ServiceLog] Script Date: 07/18/2014 14:30:59 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER proc [dbo].[ServiceLogPurge]
-- Purge records dbo.ServiceLog older than 3 months:
-- Purge records in small portions to avoid locking production tables
-- for a long time. The process takes longer, but can co-exist with
-- normal usage of the tables.
[Code] ...
*** Getting this error below when executing the code ***
Msg 102, Level 15, State 1, Procedure ServiceLogPurge, Line 45
Incorrect syntax near 'Failed:'.
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Oct 10, 2007
Hi,
I have different tables with the same schema as follows
ID Name
-----------------
<Table 1>
ID Name
-------------------
1 Name1
2 Name2
3 Name3
<Table 2>
ID Name
-------------------
1 Name1
4 Name4
5 Name5
I just want to delete the row where ID = 1 from these tables in one query ? Is it possible??
Thanks
~Mohan
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Aug 9, 2007
Hi
i have to delete the master table data without deleting the child table records,is there any solution for this, parent table has relation with the child table.
regards
vinod.t.v
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Nov 26, 2004
I have a table with approx 5 million rows and 36 columns. It takes approx
4 minutes to delete 1 row. The table has 3 indexes in addition to it's primary key and has twelve foreign key constraints. We are still using sequel 7.
There is a backup run every night as part of the nightly maintenence that
reorg/reindexes and checks the database integrity. Any thoughts?
Thanks
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Apr 3, 2007
Hi i'm a learner of sql,
i need help in deleting rows from a table that have multiple occurences of a value.
the table has a column named product_id , i need to find out what rows have the product_id value repeated ( i.e not distinct)
how do i do that help please.
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Apr 21, 2008
I have an issue that I don't know how to figure out.
I have a table that has a list of files in it. This table also has GUIDs associated with each file.
Some of these files were found in the emporary internet files folder on the systems scanned.
I want to remove all rows where the file path contains emporary internet files
The problem is that there are other tables where the file GUIDs are referrenced.
So when I try this:
DELETE FROM osScanFile
WHERE (FilePath LIKE '% emporary internet files\%')
I get an error saying that "The DELETE statement conflicted with the REFERENCE constraint "blah blah blah". ...
Basically there are rows in other tables that reference the rows I'm trying to delete in this table.
So how do I get it to delete not only the rows with the search criteria in it but also all rows from all other tables where the rows are linked?
Thanks,
Terry
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Jan 2, 2007
I am trying to delet a row duing run-time but everytime i go to save the program I get an error message saying: "Update Requires a valid DeleteCommand when passed DataRow collection with deleted row.
Anyone any ideas?
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Apr 8, 2015
I have a database with many tables. I would like to Delete all rows with practiceID=55 from all Parents tables and all corresponding rows from its child tables. Tables are linked with foreign key constraints (but there is no ON DELETE CASCADE).
How to write a generalized code for removing rows from both parent and child tables.
Query should pick parent table one by one and delete rows with practiceID=55 and all corresponding rows from its child tables
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May 6, 2008
I have a csv file that I need to import daily into a SQL Server 2005 table. Much of the table contents could just be overwritten with the new csv file, however there are a set of Rows within the table that need to be appended to , rather than overwritten.
There is no Primary Key in the csv file that can be used.
I'm not sure this is the best approach, but what I have been trying to do, is append the entire csv file to the existing table, and then go back and delete the duplicates.
When I run the Delete, it does delete the majority of the records, but leaves a couple hundred behind. The number left behind varies with each run, can't seem to identify a pattern here. Running the Delete a second time does clean up the rows left behind in the first execution of the Delete, and gives the result I want.
Any thoughts as to why this needs to be run twice? Or is a better approach available?
Here is my code -
SELECT [Pkg ID], [Elm (s)], [Type Name (s)], [End Exec Date], [End Exec Time], dupcount=count(*)
INTO temppkgactions
FROM pkgactions
GROUP BY [Pkg ID], [Elm (s)], [Type Name (s)], [End Exec Date], [End Exec Time]HAVING count(*) > 1
DELETE TOP (SELECT COUNT(*) -1 FROM dbo.temppkgactions WHERE dupcount > 1 )
FROM dbo.pkgactions
DROP TABLE temppkgactions
Thanks
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May 19, 2006
What I'm trying to do is delete a user and all their related information within the other tables. I'm not wanting to delete the table, just one column with that user and their related information. So my Primary_Key is UserID within the table [alumni] and my three Foreign_Keys are CommentID, PhotoID, and AlbumID within the tables [comments], [photos], and [albums]. Here is some of the code that I have:
<asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:SoderquistString %>"
DeleteCommand="DELETE FROM [alumni] WHERE [UserID] = @UserID"
SelectCommand="SELECT [UserID], [UserName], [FirstName], [LastName], [State] FROM [alumni] WHERE ([State] = @State)">
<DeleteParameters>
<asp:Parameter Name="UserID" Type="Int32" />
</DeleteParameters>
<SelectParameters>
<asp:ControlParameter ControlID="DropDownList1" Name="state" PropertyName="SelectedValue"
Type="String" />
</SelectParameters>
</asp:SqlDataSource>
The users are set up in GridView form. Is there some type of DELETE command that I need to be writing that is different than the one above? I have tried adding onto the following DELETE statment:
DeleteCommand="DELETE FROM [alumni] WHERE [UserID] = @UserID
DELETE FROM [photo] WHERE [UserID] = @UserID;
DELETE FROM [album] WHERE [UserID] = @UserID;
DELETE FROM [comment] WHERE [UserID] = @UserID;
...but that doesn't work...and doesn't look right. I would really appreciate anyones suggestions or help that you may be able to provide. Thank you!
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Feb 11, 1999
Hai
I have problem in deleting duplicate rows. I have a identity column in my table, if I try to use correlatted sub query with Delete command it gives error.
The other problem I have is I have a date column in my table and update that column with current date and time. If use a query to fetch a records on a particular day , it does not return any rows
select * from rates where ch_date >='02/11/99' and ch_date<='02/11/99'
If I use convert also there is some other problems. Is there any way to force date checkings to be done excluding time.
Thanks
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Nov 17, 1998
This is an imaginary problem while discussing ROWID in ORACLE.
Consider a table without primary key, unique key, uniuqe index.
A row has inserted into the table many times.
I want to delete all but one dulicated rows. With any 'where' clause all rows(duplicated)
will be deleted. In ORACLE i can achieve this using ROWID as follows:
Delete from Table_name
where < all column values >
and ROWID <> ( Select max(rowid) from Table_name where < all column values > )
How can this be achieved in MS SQL Server 6.5 ?
According to Dr. Codd's Golden rules for RDBMS one is that
One should be able to reach each data value in the database by using
table name, row idenfication value and column name.
Does MS SQL Server 6.5 satisfy this requirement ?
Also How many of Dr. Codd's 13 Golden Rules for RDBMS does MS SQL Server 6.5
Satisfy? Which doesn't ?
Any discussion about Codd's Rules is welcome.
- Gunvant Patil
gunvantp@yahoo.com
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Aug 27, 2001
I have two tables. Table 1 contains a distinct ID(3,4,5). Table 2 contains multiple ID's(3,3,3,3,3,4,4,4,5,5,5). I want to be able to use a join. If an ID is found in table 2, remove all entries of it. Any ideas? Thanks...
delete b.id
from table1 a join table2 b on a.id = b.id
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Aug 6, 2004
hello there,
what is the code to Delete all rows in a Table????
thanks in advance
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Feb 27, 2014
In my database, I have a table "tbl_c_extract" that consists of 4 columns that look the following. I'm looking at a daily batch of around 4000 records, of which 150 are likely to be duplicates.
Emp_No varchar(255), Proprietary_ID varchar(255), LeaveDateActual datetime
123456, E123456, 2014-09-27 00:00:00.000
213832, E123456, 2099-12-31 00:00:00.000
213836, E123456, 2014-01-31 00:00:00.000
In the example above, I need to remove 2 of the entries, leaving only the one that with the maximum leave date. In this case, those without a leave date have the 2099 entry.
Using CTE works exactly as I want it to, however SQL Server Agent doesn't seem to like the use of CTE..
Code:
WITH CTE (Proprietary_ID, LeaveDate, RN)
AS
(
SELECT Proprietary_ID, LeaveDate,
ROW_NUMBER() OVER(PARTITION BY Proprietary_ID ORDER BY Proprietary_ID, LeaveDate) AS RN
FROM tbl_c_extract
)
DELETE
FROM CTE
WHERE RN > 1
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May 23, 2004
Hi,
I have a table named "std_attn", where, by some bad coding, lots of duplicated rows have been created. And the table don't have any PK. So Now tell me the way to remove the duplicaies..................
thnx
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Feb 1, 2007
I need to delete some specific rows in Table1
int1 must have the value 1
int2 must have the value 1
int3 must have the value 0
and now we get to the difficult part - first character in the field [Cost No] have to be different from the letter 'B'. [Cost No] have the datatype varchar(20)
I expected the code to look something like this:
DELETE Table1
FROM Table 1
WHERE ([Int1] = 1) AND ([Int2] = 1) AND ([Int3] = 0) AND ((LEFT([Cost No]), 1) <> 'B')
But I get this error message:
The left function requires 2 arguments
What am I doing wrong and what should the right code look like?
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May 29, 2008
Hello all,
I have a DTS package set up to import a text file on a daily basis. I need to dump the data in 2 table after 7 days of the last import .this is the code that I have
Delete From TblTemp
date(Day(-7), CurrentStamp).
But for some reason it deleting the data right after it imports it. And it doesn't delete anything out of the other table.
Thanks in advance
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Jan 10, 2007
I have 3 tables . iwant to delete rows from all the three tables at same time using single statement.All the 3 tables have a unique column which will be supplied ny the user.
DELETE FROM T1,T2,T3 WHERE column1='1'
how do i do it.
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Apr 5, 2001
Hi folks,
I need to delete the duplicate rows from a table. How to do that in SQL server 7.0 ? If possible write an example, so that it will be much useful for me..
Thanks for ur help..
rgds,
vJ
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Dec 10, 2001
i have 6 read only tables that every night all the data gets dumped and a new updated copy of the data is copied over. the tables range from 500,000 rows to almost 4 million. i have indexes set up on the fields i use to query against. my questions are
1.since i dump all the data every night and replace it, do i need to rebuild the indexes every night or is that done after the data is reentered?
2.i want to use a fill factor on the table since it is read only, but will dumping the data every night and reinputting it have adverse affects with a fill factor?
3.should i be shrinking the database or defragging it everynight cause of my data dumps and reloads?
thanks in advance
spiral
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Apr 10, 2003
How can I quickly delete thousands of rows in a table (SQL2000) according a query and without blowing up the log file? For instance executing the query:
Delete from transactions
WHERE transactiondatestamp < DATEADD (m,-4,GETDATE())
increases my log file to almost 6GB before job was done an normal size was re-obtained. In addition it took a long to time to get the job done.
With the command truncate table I cannot use query unfortunately but this would be faster.
Anyone has an idea?
mipo
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Nov 16, 2007
I have an SQL tables [Keys] that has various rows such as:
[ID] [Name] [Path] [Customer]
1 Key1 Key1 InHouse
2 Key2 Key2 External
3 Key1 Key1 InHouse
4 Key1 Key1 InHouse
5 Key1 Key1 InHouse
Obviously IDs 1,3,4,5 are all exactly the same and I would like to be left with only:
[ID] [Name] [Path] [Customer]
1 Key1 Key1 InHouse
2 Key2 Key2 External
I cannot create a new table/database or change the unique identifier (which is currently ID) either. I simply need an SQL script I can run to clean out the duplicates (I know how they got there and the issue has been fixed but the Database is still currently invalid due to all these duplicate entires).
Any help would be greatly appreciated.
Thanks,
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Jul 16, 2013
i am deleating 8 Million rows from my database,I am wondering how to control T-Log,also I heard something about row lock and table lock
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Nov 16, 2007
I have an SQL tables [Keys] that has various rows such as:
[ID] [Name] [Path] [Customer]
1 Key1 Key1 InHouse
2 Key2 Key2 External
3 Key1 Key1 InHouse
4 Key1 Key1 InHouse
5 Key1 Key1 InHouse
Obviously IDs 1,3,4,5 are all exactly the same and I would like to be left with only:
I cannot create a new table/database or change the unique identifier (which is currently ID) either. I simply need an SQL script I can run to clean out the duplicates (I know how they got there and the issue has been fixed but the Database is still currently invalid due to all these duplicate entires).
Any help would be greatly appreciated.
Thanks,
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Dec 11, 2007
Hi,
I've deleted a bunch of rows from my table.. So far about 500k from a 9 million row table.. This table is hit frequently
I think maybe my indexes are a mess? Its so slow every page is timing out .. im now urgently trying to figure something out to resolve ..
ive done UPDATE STATISTICS on the table .. now its probably best I run some command on the indexes directly?
Any help very much appreciated.. !!!
mike123
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Dec 7, 2006
hi there!
im having problems deleting rows in a reference table. is there any tools which tables to delete first before deleting the rows in the table which contains the primary key?
i have a lot of tables let say over 300 so its hard for me to guess which comes first... what should i keep in mind deleting rows with a referential integrity?
thank...
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Jul 18, 2007
Hi,
I hope some of you can help me with that
I made an application that insert some data to MS SQL 2005 DB Express Edition. One of columns in my database store text. The content of that field must, beyond the existing text, append the current id to its text string. Practically, it means that if on row nr 15 I store text value "15text", on the next row i will store "16text". I figured out that I can get value of max ID by creating following stored procedure.
USE [tracking_db]
GO
/****** Object: StoredProcedure [dbo].[spMaxId] Script Date: 07/18/2007 09:31:44 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER PROCEDURE [dbo].[spMaxId]
@maxId integer output
as
SELECT @maxId= MAX(id) FROM FILES_TABLE
Once i get the maxID value i simply concat max id and string like:
string.Concat(max_id.ToString(), file_name);
where "max_id is integer return value from stored procedure and "file_name" is a string to rename like "max_id+file_name"
Two problems occur!!!
Problem nr 1.
Since I use to insert 10 new rows each time, the values from 0-9 are appended to text like "(0-9)text"
Problem nr 2.
If I delete some rows, ID does not get update. It means that after deleting all rows from table, next inserted item gets last existed ID before delting +1. New inserted item should get value 1 since table is empty after deleting all rows from it!!!
Hope some of you has any idea what to do
Muris
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Oct 20, 2006
Hi,
I have a table which has around 50,000 rows.
Can I delete the rows older than one year?
If no, Can I delete the last 25,000 rows (older rows) from the table?
Can you assist me with the SQL Statement to do this?
Thanks
Santhosh
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Mar 19, 2006
hi there!
I have encounter the problem when trying to delete the rows..with the error message
http://i5.photobucket.com/albums/y151/kangalert/untitled.jpg
http://i5.photobucket.com/albums/y151/kangalert/1231234.jpg
with contain no primary key, and no dependency
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Jan 6, 2008
Hi dear users,
I have a crisis situation with my simple database project. Let me introduce You to the topic.
I've created table ZAKLADY in my db:
Code Block
CREATE TABLE ZAKLADY
(ZAKL_ID INT IDENTITY(10,10) CONSTRAINT PK_ZAKLADY PRIMARY KEY,
ZAKL_NAZWA VARCHAR(25),
ZAKL_MIASTO VARCHAR(20),
ZAKL_ULICA VARCHAR(30) );
Then, I've made procedure which adds one row:
Code Block
CREATE PROCEDURE Zakl_AddNewRow
@zakl_nazwa VARCHAR(25),
@zakl_miasto VARCHAR(20),
@zakl_ulica VARCHAR(30)
AS
INSERT INTO Zaklady (Zakl_Nazwa, Zakl_Miasto, Zakl_Ulica)
VALUES (@zakl_nazwa, @zakl_miasto, @zakl_ulica)
Also I've made procedure which deletes the row.
Code Block
CREATE PROCEDURE Zakl_DeleteRow
@zakl_id INT
AS
DELETE Zaklady
WHERE Zakl_ID=@zakl_id
So what's the point of my problem?
If I execute the procedure "Zakl_AddNewRow", I will add a new row to ZAKLADY table. Column ZAKL_ID is added automaticly
because, as You can see, it is declared as INT IDENTITY(10,10). I have added 5 rows so the ZAKL_ID values will be adequately 10,20,30,40,50.
Now I delete the row with ZAKL_ID = 30.
After it I add new row once again.
The result is that the ZAKL_ID value will be 60.
So the number "30" of the identity sequence became unsigned to any ZAKL_ID.
I wanted that new row which was added has ZAKL_ID=30 not 60. The second added row should have ZAKL_ID=60.
Is there any possibility to do this.If yes, What should I change in sql code.
Thank You for all replies
Maciej
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Jul 25, 2007
I've got a very filesize restricted database. I noticed that when I insert 1000 rows my filesize jumps to 80k, but when I delete all but 50 of those rows...the filesize actually increases to 84k. How do I make sure the filesize of my database shrinks when I delete rows?
Thanks!
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May 14, 2004
I was wondering if anyone had a suggestion as to how to delete duplicate rows from a table. I have been doing this:
SELECT * INTO TempUsersNoRepeats
FROM TempUsers2
UNION
SELECT * FROM TempUsers3
This way I end up with a total of four tables (the fourth table being the original Users table) and I was hoping that there was a way that I could do this all within the the original Users table and not have to create the three TempUsers tables.
Thanks,
Ron
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