Delete Table Or Rows Before Adding New Ones?!?! Help Needed...

Apr 28, 2008

Hi there, I have a simple data flow from OLE DB to OLE DB that writes data from a view into a table. Is it possible to delete the table or the rows within the table before wirting the new data???

Thanks in advance!

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Transact SQL :: Table Trigger To Delete All Rows Before Inserting Rows

Jul 24, 2015

I have a SQL script to insert data into a table as below:

INSERT into [SRV1INS2].BB.dbo.Agents2
select * from [SRV2INS14].DD.dbo.Agents

I just want to set a Trigger on Agents2 Table, which could delete all rows in the table , before carry out any Insert operation using above statement.I had below Table Trigger on [SRV1INS2].BB.dbo.Agents2 Table as below: But it did not perform what I intend to do.

USE [BB]
GO
/****** Object:  Trigger    Script Date: 24/07/2015 3:41:38 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON

[code]....

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Jul 20, 2005

I have two tables that are related by keys. For instance,Table employee {last_name char(40) not null,first_name char(40) not null,department_name char(40) not null,age int not null,...}Employee table has a primary key (combination of last_name and first_name).Table address {last_name char(40) not null,first_name char(40) not null,street char(200) not null,city char(100) not null,...}Address table has a primary key (combination of last_name, first_name andstreet in which (last_name, first_name) reference (last_name, first_name) inemployee table.Now I want to delete some rows in Address table based on department_name inEmployee table. What is sql for this delete?I appreciate your help. Please ignore table design and I just use it for myproblem illustration.Jim

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Jun 20, 2008

Hi,

This is an easy one.

How do delete rows from a table?

I want to delete all the rows from the last month of a table so i have to be able to pass the month parameter to the delete statement.

Help.. plz.. i think this is an easy one

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May 16, 2012

In my table I have following current data. I want to delete duplicate records from table.I am trying following SQL statement, So I am getting desired output which is orange color in current data. I want to keep the desired output records and other all should be deleted. But complection is that in current data values in C5 and C6 are different.

select C1,C2,C3,C4,COUNT(*) from table_Delete
group by C1,C2,C3,C4
having COUNT(*) >= 1
ORDER BY COUNT(*) DESC

Current Data:

C1 C2 C3 C4 C5 C6
201 203224 325E 00000999
201 203224 325E 00009999
201 203224 325E 10001999
201 203224 325E 30003999

[code]....

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Jul 25, 2006

hi alli hava eetable that is ,eename sal_______ ________suresh 100000ramsesh 100000raja 100000susjssj 100000dkddkd 100000jfdjfdjfd 100000so i want to delete from second to Fourth row by using Rownumber..Rownumber is not a column of eetable give some example

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Jul 20, 2005

I need a script that will delete the first 100000 rows of a table. Is this possible?

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Sep 16, 2004

I have one table that has unique id's associated with each row of information. I want to delete rows of information in one table that have a unique ID that references information in another table.

Here is a basic breakdown of what I am trying to do:

Table1 (the table where the rows need to be deleted from)
Column_x (Holds the id that is unique to the various rows of data - User ID)

Table2 (Holds the user information & has the associated ID)
Column_z (holds the User ID)

I tried this on a test set of tables and could not get it to work. What I am trying to do is skip all rows of Table1 that have ID's present in Table2, and delete the rows of ID's that are not present in Table2.

Code:


SELECT Column_z
FROM dbo.Table2
DELETE FROM dbo.Table1
WHERE Column_z <> Column_x


This did not seem to do what I needed, it did not delete any rows at all.

I wanted it to delete all rows in Table1 that did not have a reference to a user ID that matched any ID's in Column_z of Table2

Then I tried another scenerio that I also needed to do:

Code:


SELECT Column_z, Column_a
FROM dbo.Table2
DELETE FROM dbo.Table1
WHERE Column_z = Column_x AND Column_a='0'



'0' being the user id is inactive so I wanted to delete rows in Table1 and remove all references to users that were in an inactive status in Table2.

Neither one of the Queries wanted to work for me in the Query Analyzer when I ran them. It just said (0) rows affected.

Any ideas on what I am doing wrong here?

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Aug 26, 2005

Hello,

I need to delete rows from one table that appear in another table.
For example:
newnames has fname, lname, age
oldnames has fname, lname, age

So, I want to be able to remove the rows from newname where there are rows in oldnames. This should be simple enough.

This is what I'm trying to use but it is deleting everything from oldnames.

delete from oldname
select * from newnames

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Oct 6, 2006

hi,
here i am with a table containing 5columns and 100 rows.i want to delete all rows at the same time. pls suggest me a way on this

One can never consent to creep,when one feels an impulse to soar
RAMMOHAN

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what is wrong with this statement?

Update services
Delete
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Feb 13, 2008

I'm a bit new to SQL, so this might be a very simple question, but I was not able to find an answer by search:

I got two tables, with a 1:n relation between them, seller and article, and I want to delete all sellers that do not offer any articles anymore.

An extract of my SQL to show the tables and the relation:

@"CREATE TABLE dbo.[Seller]
(
[ID] uniqueidentifier NOT NULL ROWGUIDCOL CONSTRAINT [PK_Seller] PRIMARY KEY,
) ON [PRIMARY]",
@"CREATE TABLE dbo.[Article]
(
[ID] uniqueidentifier NOT NULL ROWGUIDCOL CONSTRAINT [PK_Article] PRIMARY KEY,
[SellerID] uniqueidentifier NOT NULL,
) ON [PRIMARY]",

@"ALTER TABLE dbo.[Article] ADD CONSTRAINT [FK_ArticleSeller] FOREIGN KEY
(
[SellerID]
) REFERENCES dbo.[Seller]
(
[ID]
)",


Now say I got two sellers (1 & 2), and only one article (1, offered by seller 1). The delete query should delete seller 2 because he is not offering articles anymore.

This probably is dead simple in SQL, something like
DELETE FROM seller WHERE COUNT(article.SellerID=seller.ID)==0
but honestly, my SQL books leave me guessing here, and I found no online ref for cases like this.

Maybe someone can help me here?

Thanks in advance,
Sam

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I am trying to use the following Query to create the table Agents and add rows to it.

USE REMAXCLASSIC;
IF OBJECT_ID ('dbo.Agents', 'U') IS NOT NULL
DROP TABLE Agents;
GO
CREATE TABLE Agents

[Code] ....

I get the following error messages:

Msg 102, Level 15, State 1, Line 34 Incorrect syntax near '0.25'
Msg 105, Level 15 mark after the character string ');

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Dec 5, 2006

How to I return the row count as result of deleting some rows from a table? This this script correct below?? Here's my stored procedure script..


Code:

CREATE PROCEDURE dbo.sp_CleanUp_Table_tblSoldRaw
/***************************************************************
** CREATED: 12/04/2006
****************************************************************
** DESCRIPTION: Clean the tblSoldRaw by deleting any data that
** is over 90 days old. We need keep the database
** as small as possible so the performance won't
** suffer on the server's and the client's machine.
**
****************************************************************
** NOTES: Hooked up to BookItOut Data Importer Windows Service
****************************************************************
** MODIFICATIONS:
**
** DATE WHO MODIFICATION DESCRIPTION
** -------------------------------------------------------------
**
***************************************************************/
/***************************************************************
** Uses: tblSoldRaw
***************************************************************/
AS
DELETE FROM tblSoldRaw WHERE TIMESTAMP > (GETDATE() - 90)

RETURN ROWCOUNT

ERROR_HANDLER:

RETURN -1

SET NOCOUNT OFF



Thanks...

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Jul 23, 2005

Hello,I want to delete duplicate rows in a table when no primary key isdefined.For eg: If we have table1 with data as below,Suma 23 100Suma 23 100I want to delete a row from this table and retain only one row.I tried deleting self joins and exists operator. But it is deletingboth the rows. I want to retain one row.Can anybody help me out.Thanks in advance,Suma--Posted using the http://www.dbforumz.com interface, at author's requestArticles individually checked for conformance to usenet standardsTopic URL: http://www.dbforumz.com/General-Dis...pict221110.htmlVisit Topic URL to contact author (reg. req'd). Report abuse: http://www.dbforumz.com/eform.php?p=760520

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Oct 2, 2007

Hi All,
I have a program which shows some manipulate data from 2 tables on a datagrid.
I'm using another program to delete rows from both tables. (The second program activate from the PC using the RAPI dll).
I have sometimes a problem deleting records.
Actually the Datagrid is not suppose to be shown when the user use the second program, but since I'm not able to determine whether my first program is still running or not, is there an option to force the delete even if other program is using it?
If not, is there a way to stop the first program?

Thanks in advance

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Jul 21, 2015

I have a table with more than 1000 records. The columns look like this

Import id   |   Reference   |  Date  |  Username  | Filename

Some of the rows are duplicates except for the fact that they have different values for the first column alone (import id)

11111      test   21-07-2015   xxxxxx   yyyyyy
22222      test   21-07-2015   xxxxxx   yyyyyy

Is it possible to delete these kind of duplicate rows by ignoring the import id ?

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May 26, 2000

Hi Guys!

This SQL statement, though carefully written to delete only selected rows, deletes the entire A_Shift_Times table:

DELETE FROM A_Shift_Times
WHERE EXISTS (
SELECT 1
FROM
Users
WHERE
(A_Shift_Times.time_in >= CONVERT(DATETIME, '2000-05-29 00:00:00', 102)) AND
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What gives? What am I doing wrong here?

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A script which removes duplicates from a table, when a table_name is supplied.

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Apr 15, 2008





Hello I am new to SSIS and learning as I go. Any guidance to my questions would be appreciated.

I wrote a script that takes the current date and subtracts a number of days/months from this date. I then attempted to use an SQL Task as a select with a parameter using the calculated date from the script. I was not successful in doing this. While performing searches on the WEB with the hopes of finding a solution I came upon the following text in the Microsoft forum under EXECUTE SQL TASK.

When you use an OLE DB Connection Manager, you cannot use parameterized subqueries because the Execute SQL task cannot derive parameter information through the OLE DB provider. However, you can use an expression to concatenate the parameter values into the query string and to set the SqlStatementSource property of the task.


Having come upon this statement I moved on to putting together an OLE DB SOURCE with a Flat File Destination. The SQL that I wrote is:

SELECT BP_ID, INVC_NBR, INVC_DT, BUS_ADD_DT
FROM DW.CUST_SALE_ADDR
WHERE (BUS_ADD_DT = ?)

The flat file destination was mainly used to confirm the select.

Having confirmed my select, I changed the select in the OLE DB SOURCE as follows:

DELETE FROM DW.CUST_SALE_ADDR
WHERE (BUS_ADD_DT = ?)

I also removed the Flat File Destination. Needless to say when I tried to run the package I did not get very far as a package validation error was encountered since there were no output columns.

Can you share how I should go about peforming the delete as described from the table based on a calculated date? And am I not understanding the comment regarding the SQL Statement and the use of parameters?

Thank you and God Bless.








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BEGIN
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IF ( @@ERROR <> 0 )
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Error details will be goes to LOG_INVENTORY_ERROR

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-- ===============================================================================================
-- STORED PROCEDURE FOR FLATFILE_INVENTORY
-- ===============================================================================================
USE [IconicMarketing]
---=======================================SALES_CURSUR===========================================
--USE IconicMarketing
--GO
DECLARE
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@ACDealerID varchar(50) ,

[code].....

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(
SELECT productId FROM sql2000.staging.dbo.fooProductList
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there is no triggers on published tables and noother trigger is created on published table.

regards

Ahmad Drshen

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Greets
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