Alert On Data Deletion
Jul 23, 2005
We have an employee table that contains bank details and are experiencing
problems with account numbers being erased and lost. In order to track down
why this is happening (either due to our application code or SQL
replication) we'd like to be able to prevent certain columns from being
deleted if they already contain some data.
Is it possible to setup a check constraint to prevent our ee_acct_no columns
from being set to NULL or blank strings if it contains an account number
(i.e a 9 digit number)? We have setup the column to allow NULL's as we don't
always know employees bank details until later, so we do need to put them on
our database without bank details initially.
Also, if possible, can someone suggest a stored procedure or trigger i could
create that would fire a user-defined error message that would email an
operator if a bank account number changed?
Many thanks
Dan Williams.
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Nov 5, 2007
SET identity_insert dbo.table1 on
GO
insert into dbo.table1(
PrimaryKeyCol,Col1, Col2 .....)
select
PrimaryKeyCol,Col1, Col2......
from [Sever].Database.dbo.table1 as ClientColumn
where not exists(
select * from dbo.table1 as ServerColumn
where ServerColumn.PrimaryKeyCol = ClientColumn.PrimaryKeyCol
)
DELETE FROM [Server].Database.dbo.table1
where exists(
where ServerColumn.PrimaryKeyCol = ClientColumn.PrimaryKeyCol
)
SET identity_insert dbo.table1 off
GO
I can't complie this code.. anybody see where I went wrong??
Thanks for all your help.
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May 23, 2006
Anil Chauhan writes "Hello experts,
I have a table in sql server 2000 which has over 94000 records.
I have to delete a record from table ,which record having a language other than english .
I need to clean the table by removing all the data which are in other language .
My main table has 12 fields .
Thanks in advance."
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Nov 16, 2015
We have been asked whether it is possible to completely delete sensitive data. When data is deleted it is not actually completely removed from the database but is marked as deleted. It is possible to zero out that data using sp_clean_db_free_space but this doesn't affect the transaction log.
We had hoped that CHECKPOINT would clear the data from the log but we are not completely certain of this. So the question becomes is there a built-in command or function in SQL Server 2008, or subsequent versions, that will completely remove deleted data, both from the transaction log and the database itself? Or is there a 3rd party tool to accomplish the same thing?
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Jan 18, 2008
Hello,
I have not been able to locate information on the following problem. The first step I have in a packge (Execute SQL Command) is to delete the data from an MS Access database table. The package hangs at this step after all validation is complete. In the package, once the table data is deleted, it is repopulated in a later step. The deletion step and the repopulation step use the same connection manager.
There is no information in the log about an error. At the time the package ran, there was a lock file on the database with about six users connected. I'm not sure what version of Access the database was created in, but I have 2003 on my machine, and I cannot open the database.
Any ideas?
Thank you for your help!
cdun2
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Jan 30, 2007
Hi Experts:
We have several database linked via merge replications. Due to business requirements, we need to delete 5M rows in one table, we did it on one subscriber. However, the publisher kept uploading the deletion operations from the subscriber and blocked any downloading operation from publisher to subscriber. How can we acceralte the replications now as this has already operated in 2 days, and will continue 1-2 days? Is it possible to set the publisher take the downloading before uploading? How to speed up large amount data deletion operations in replication environment?
Thanks in advance!
Ron
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Sep 14, 2012
I've set up an alert to email me whenever the database is over a certain size. The amount is calculated by taking 80% of the total data file size. The problem I'm having is that it keeps generating a false positive alert because MS SQL seems to treat the currently used value as the total allocated space for the database data file. For example, the data file is 100MB, it's currently using 60MB, and if I enter 80MB in the alert, it generates an email alert claiming the current size is 100MB. Could it be because the data file size is set to 100MB (since autogrowth is disabled)?
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Mar 29, 2006
Hi all,
I've exposed my data (that exists in a proprietary format) with the ADO.NET provider interfaces (IDbConnection, IDataReader, IDbDataAdapter and IDbCommand). I can't seem to find any examples of how to get Integrated Services to hookup to this .NET code in my class library. Is it possible? My goal is for this provider to be both a destination and a source and for others to be able use IS to manipulate the data however they want.
Some links or examples would be great.
Thanks,
Dave
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Aug 13, 2015
Can you use the below query to get CPU high utilisation alert purposes for both named and default instance? or, do I need to make any changes here (@wmi_namespace=N'.ROOTCIMV2' ) ?
USE [msdb]
GO
EXEC msdb.dbo.sp_add_alert @name=N'CPU_WM_Utilization_Check',
@message_id=0,
@severity=0,
[code]....
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Nov 6, 2007
Hi all,
I have a table in xyz database and there is no column in table like creation_date or modified_date.
The problem is I want to delete records which has been added in the table before 1st jan 2007.
The size of table is 85 GB
Immediate help would be appriciable.
Regards,
Frozen
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Mar 11, 2007
What would be the best practice to prevent users who didn't create a record in sql from deleting? When a record is created I have the username who created the record in one of the fields. I was thinking maybe a query?
Thank you in advance.
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Jun 4, 1999
It is an option to set deletion without getting logged since I have problem to delete two years historical data and would like to keep this year data on my 80MB rows. Actually I create a new table to get copy one-year data and I truncated the old table. I am wondering if there is other better way to do this task.
TIA,
Stella Liu
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Mar 19, 2007
Hello there,
We are currently setting up out production server to the following requirements:
1. Every month, delete records that haven't been changed in the last 90 days.
2. Replicate insert statements to a backup database which will keep track of all data, and act as an archive/data warehouse.
The first step is easy, as it is just a script that checks the date of the last change on each row. However, the second step is a bit more tricky. We tried setting up replication between two test databases, but we ran into the following problem: Whenever old data has been deleted in the production database, the replication agent deletes it in the data warehouse database too.
Is it possible to override or disable this, so data is only inserted/updated, and not deleted? No applications using the database deletes records, so database integrity should not be a problem.
Thanks for your time,
Ulrik Rasmussen
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Apr 15, 2008
While performing import actions I had a system freeze, when the system returned the sessions had been closed and the database had vanished, with the help of support we recovered the database only to find that the original project ID had a suffix attached ( Original 40/0110, New 40/0110-1 ), when I try to return it to it's original numbering convention it says it has to be a unique number which suggests to me it is not deleted but hiding in the background, can the original be recovered or is it possible to renumber the recovered database, I have searched the whole of the databases and the original is nowhere to be seen.
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Jun 4, 2008
Is there an option to find out the deleted DBs on a server?
------------------------
I think, therefore I am - Rene Descartes
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Oct 12, 2013
table1 has a PK_tbl1 which matches FK_tbl1 in table2 and the relationship is one to one. Like this:
table1 has columns of UnitId, Code ...
table2 has columns of ItemID, UnitId ...
So if I need remove an item from table1 I must remove the matched one in table2 first.
delete from table2 where UnitId = xxx
delete from table1 where UnitId = xxx
Now I need create a trigger on table1 for deletion:
CREATE Trigger [dbo].[Table1_Delete]
ON [dbo].[Table1]
FOR DELETE
As
[code]....
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Nov 22, 2006
Hi
I want to try and protect myself from my own stupidity. I have a number of sql databases, but one is LIVE. It is easy to drop tables but I want to set something (e.g. a password) which will help prevent me from dropping tables on the live database.
Any help/direction here would be appreciated.
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Jul 23, 2005
Hi Everyone,I have a table in which their is record which is exactly same.I want to delete all the duplicate keeping ony 1 record in a table.ExampleTable AEmpid currentmonth PreviousmonthSupplimentarydays basic158 2001-11-25 00:00:00.000 2001-10-01 00:00:00.000 2.004701.00158 2001-11-25 00:00:00.000 2001-10-01 00:00:00.000 2.004701.00158 2001-11-25 00:00:00.000 2001-10-01 00:00:00.000 2.004701.00I want to delete 2 rows of above table.How can I achieve that.Any suggestion how can i do that.Thank you in advanceRichard
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May 29, 2008
Ok, so I have an issue, was wondering if anybody else has any suggestions.
I have a table that is pretty large, in all regards. It is a "message" table that holds text messages that users send to each other.
1. Has some data fields, integers, dates, some bit columns, a message subject field (varchar(250)), and a message body field (field type = text)
2. Table contains about 70 million records
3. Table has 6 indexes associated to it
4. Table has 2 views associated to it.
5. Table has 8 foreign keys associated to it.
I need to delete, oh, about 90,000 records out of this 70 million record table. I am able to disable the foreign keys to this table for deletion, but that does not seem to mitigate the problem. I think the issue lies with having to update the indexes as well as the views.
When I execute the select statement to retrieve the records I need to delete, it executes pretty quickly, no problems there that I can see.
The issue comes when I try to delete the records, it takes way too long, and we know it. We let it run for an hour and it didn't really get anywhere. This is in a server environment, some pretty decent hardware, 8gig memory, fast SCSI drives, 8 core processors, i don't know the exact specifics, but they're not bad.
Here's a DBCC SHOWCONTIG on our table
DBCC SHOWCONTIG scanning 'message' table...
Table: 'message' (1448040590); index ID: 1, database ID: 13
TABLE level scan performed.
- Pages Scanned................................: 51602
- Extents Scanned..............................: 6486
- Extent Switches..............................: 6948
- Avg. Pages per Extent........................: 8.0
- Scan Density [Best Count:Actual Count].......: 92.83% [6451:6949]
- Logical Scan Fragmentation ..................: 0.54%
- Extent Scan Fragmentation ...................: 0.93%
- Avg. Bytes Free per Page.....................: 93.5
- Avg. Page Density (full).....................: 98.85%
DBCC execution completed. If DBCC printed error messages, contact your system administrator.
This is from our dev environment which is but a portion of our production db- but I presume our production environment will have similar percentages (not necessarily the pages scanned)
Any suggestions on how to delete records efficiently?
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Feb 7, 2008
Hello,
I want to delete a 0KB file on one of the disks in my server. Do any of you have any idea how to do it??
Thanks,
Narayan
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Aug 15, 2006
Im using SQL enterprise manager v8, a few days ago I got a report that a user account was deleted. I was wondering what logs would point this out. I've been through the event review and i am not seeing any usefull info.
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Oct 13, 2005
Obviously to delete all records from DB table is simple, however, I would like to make my whole Live DB pretty much empty. I've copied all my data from my test DB over to my live DB (didn't mean to but I did). I would like to remove all the data and the identity values, resetting them back at their original values. Is there a simple way or do I have to do it the hard way. That being going in and removing Identity, saving and then placing identity back on the DB Table.
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Jun 11, 2007
hi,
i am trying to delete rows where a particular column (hours) has the same value for the same member (primary key) but where the effective dates are different. i want to delete the duplicate(s) rows which have the most recent effective date(s).
can you help?
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Apr 14, 2006
hi
Basically, I create a database with sql, then I delete it manually(not via sql statment. This is a problem which I realise. In fact, you can't delete the database because the VS 2005 still is using it) I run the same code again,
then it says the database still exists, even it is physically destroied.
------Here is the errors:
System.Data.SqlClient.SqlException: Database 'riskDatabase' already exists.
at System.Data.SqlClient.SqlConnection.OnError(SqlExc eption exception, Boolea
n breakConnection)
------The evidence that the database doesn't exist physically:
Unhandled Exception: System.Data.SqlClient.SqlException: Cannot open database "riskDatabase" requested by the login. The login failed.
------The code:
/*
* C# code to programmically create
* database and table. It also inserts
* data into the table.
*/
using System;
using System.Collections.Generic;
using System.Text;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.IO;
namespace riskWizard
{
public class RiskWizard
{
// Sql
private string connectionString;
private SqlConnection connection;
private SqlCommand command;
// Database
private string databaseName;
private string currDatabasePath;
private string database_mdf;
private string database_ldf;
public RiskWizard(string databaseName, string currDatabasePath, string database_mdf, string database_ldf)
{
this.databaseName = databaseName;
this.currDatabasePath = currDatabasePath;
this.database_mdf = database_mdf;
this.database_ldf = database_ldf;
}
private void executeSql(string sql)
{
// Create a connection
connection = new SqlConnection(connectionString);
// Open the connection.
if (connection.State == ConnectionState.Open)
connection.Close();
connection.ConnectionString = connectionString;
connection.Open();
command = new SqlCommand(sql, connection);
try
{
command.ExecuteNonQuery();
}
catch (SqlException e)
{
Console.WriteLine(e.ToString());
}
}
public void createDatabase()
{
string database_data = databaseName + "_data";
string database_log = databaseName + "_log";
connectionString
= "Data Source=.\SQLExpress;Initial Catalog=;Integrated Security=SSPI;";
string sql = "CREATE DATABASE " + databaseName + " ON PRIMARY"
+ "(name=" + database_data + ",filename=" + database_mdf + ",size=3,"
+ "maxsize=5,filegrowth=10%)log on"
+ "(name=" + database_log + ",filename=" + database_ldf + ",size=3,"
+ "maxsize=20,filegrowth=1)";
executeSql(sql);
}
public void dropDatabase()
{
connectionString
= "Data Source=.\SQLExpress;Initial Catalog=" + databaseName + ";Integrated Security=SSPI;";
string sql = "DROP DATABASE " + databaseName;
executeSql(sql);
}
// Create table.
public void createTable(string tableName)
{
connectionString
= "Data Source=.\SQLExpress;Initial Catalog=" + databaseName + ";Integrated Security=SSPI;";
string sql = "CREATE TABLE " + tableName +
"(userId INTEGER IDENTITY(1, 1) CONSTRAINT PK_userID PRIMARY KEY," +
"name CHAR(50) NOT NULL, address CHAR(255) NOT NULL, employmentTitle TEXT NOT NULL)";
executeSql(sql);
}
// Insert data
public void insertData(string tableName)
{
string sql;
connectionString
= "Data Source=.\SQLExpress;Initial Catalog=" + databaseName + ";Integrated Security=SSPI;";
sql = "INSERT INTO " + tableName + "(userId, name, address, employmentTitle) " +
"VALUES (1001, 'Puneet Nehra', 'A 449 Sect 19, DELHI', 'project manager') ";
executeSql(sql);
sql = "INSERT INTO " + tableName + "(userId, name, address, employmentTitle) " +
"VALUES (1002, 'Anoop Singh', 'Lodi Road, DELHI', 'software admin') ";
executeSql(sql);
sql = "INSERT INTO " + tableName + "(userId, name, address, employmentTitle) " +
"VALUES (1003, 'Rakesh M', 'Nag Chowk, Jabalpur M.P.', 'tester') ";
executeSql(sql);
sql = "INSERT INTO " + tableName + "(userId, name, address, employmentTitle) " +
"VALUES (1004, 'Madan Kesh', '4th Street, Lane 3, DELHI', 'quality insurance mamager') ";
executeSql(sql);
}
public static void Main(String[] argv)
{
string databaseName = "riskDatabase";
string currDatabasePath = "E:\liveProgrammes\cSharpWorkplace\riskWizard\A pp_Data";
// Need to be more flexible.
string database_mdf = "'E:\liveProgrammes\cSharpWorkplace\riskWizard\ App_Data\riskDatabase.mdf'";
string database_ldf = "'E:\liveProgrammes\cSharpWorkplace\riskWizard\ App_Data\riskDatabase.ldf'";
RiskWizard riskWizard = new RiskWizard(databaseName, currDatabasePath, database_mdf, database_ldf);
riskWizard.createDatabase();
riskWizard.createTable("userTable");
riskWizard.insertData("userTable");
//riskWizard.dropDatabase();
}
}
}
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May 4, 2004
Hi,
I have this trigger, it is working fine when i add new data but it doesn't work when I delete data from the table?
Any idea?
Any help will be highly appreciated.
CREATE TRIGGER [PROP_AMT] ON [dbo].[cqe_item]
FOR INSERT, UPDATE, DELETE
AS
DECLARE
@var_DB_contract INTEGER,
@var_CQE INTEGER,
@var_PC INTEGER,
@var_item VARCHAR(7),
@var_AMT_PAID INTEGER,
@var_AMT_RET INTEGER,
@var_ITEM_NEW VARCHAR(1),
@var_quant DECIMAL,
@var_fiyr INTEGER,
@var_amt_result INTEGER,
@var_amt_ret_result INTEGER,
@var_amt_old INTEGER,
@var_amt_ret_old INTEGER,
@var_quant_result INTEGER,
@var_quant_new INTEGER,
@var_quant_old INTEGER,
@Item_new VARCHAR(7),
@var_chk varchar(1)
--If Exists (Select 1 From Inserted) And Exists (Select 1 From Deleted)
set @var_db_contract =(SELECT a.db_contract FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
IF @var_db_contract IS NOT NULL
BEGIN
SET @var_db_contract=(SELECT a.db_contract FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
SET @var_cqe=(SELECT a.cqe_numb FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
SET @var_pc=(SELECT a.pc_code FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
SET @var_item=(SELECT a.item_no FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
SET @var_fiyr=(SELECT a.fy_item FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
set @var_chk ="Y"
END
ELSE
BEGIN
SET @var_db_contract=(SELECT a.db_contract FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
SET @var_cqe=(SELECT a.cqe_numb FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
SET @var_pc=(SELECT a.pc_code FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
SET @var_item=(SELECT a.item_no FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
SET @var_fiyr=(SELECT b.fy_item FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
set @var_chk="N"
END
SET @var_amt_paid=(SELECT a.amt_paid_item FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
SET @var_amt_old=(SELECT b.amt_paid_item FROM inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no )
SET @var_amt_result =ISNULL(@var_amt_paid,0) - ISNULL(@var_amt_old,0)
SET @var_amt_ret = (SELECT a.amt_ret_item from inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no)
SET @var_amt_ret_old=(SELECT b.amt_ret_item from inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no)
SET @var_amt_ret_result = isnull(@var_amt_ret,0) - isnull(@var_amt_ret_old,0)
SET @var_quant_new = (SELECT a.quantity from inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no)
SET @var_quant_old =(SELECT b.quantity from inserted a,deleted b where a.db_contract = b.db_Contract and a.cqe_numb = b.cqe_numb and a.pc_code = b.pc_code and a.item_no = b.item_no)
SET @var_quant_result = isnull(@var_quant_new,0) - isnull(@var_quant_old,0)
SELECT @item_new = new_item
FROM VALID_ITEM
WHERE DB_CONTRACT = @var_db_contract
AND PC_CODE = @var_PC
AND ITEM_NO = @var_ITEM
UPDATE ae_contract
set amt_paid_contr = isnull(amt_paid_contr,0) +@var_amt_result,
amt_ret_contr = isnull(amt_ret_contr,0) + @var_amt_ret_result
where db_contract = @var_db_contract
IF @item_new = 'N'
BEGIN
update vendor
set used_amt = isnull(used_amt,0) + @var_amt_result + @var_amt_ret_result
where db_vendor = (select gen_contr from ae_contract
where ae_contract.db_contract=@var_db_contract);
END
UPDATE enc_det
set amt_paid_fy = isnull(amt_paid_fy,0) + @var_amt_result,
amt_ret_fy = isnull(amt_ret_fy,0) + @var_amt_ret_result
where db_contract = @var_db_contract
and pc_code = @var_pc
and fy = @var_fiyr
UPDATE valid_item
set tamt_ret_item = isnull(tamt_ret_item,0) + @var_amt_ret_result,
tamt_paid_item = isnull(tamt_paid_item,0) + @var_amt_result,
qtd = isnull(qtd,0) + @var_quant_result
where db_contract = @var_db_contract
and pc_code = @var_pc
and item_no = @var_item
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May 12, 2004
Ladys, Gentlement, I have table that grows anywhere from 200,000 to 1,000,000 records perday. Besides that I need to keep at least 6 months historical data from this same table. The transaction log was purged after each batch when testing data monthly. I'm looking for some way of deleting just one day's data if it meets a criteria. It must remain within the 6 months period of historical data. This is what I've come up with so far"
select * FROM dbo.Temp_table WHERE datediff(day, DATE_TIME, getdate()) >= 180
If it meets this criteria I can change the select to a delete? Please Let me know what you think
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Apr 17, 2008
Does anyone has a script/exe for periodic file deletion, using date comparison?
------------------------
I think, therefore I am - Rene Descartes
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Jun 17, 2014
I need to delete duplicates off a table. Duplicates are reliate on specific columns (COL1, COL2, COL3):
TABLE1
COL1,COL2,COL3,COl4,COL5
A,A,A,B,B
A,A,A,B,C
A,A,B,B,B
A,A,A,H,H
B,B,B,F,F
B,B,B,E,E
For table1, I want to get rid of a rows with matching COL1, COl2, and COl3. The results should be like this:
TABLE1
COL1,COL2,COL3,COl4,COL5
A,A,A,B,B
A,A,B,B,B
B,B,B,F,F
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Jan 2, 2006
i am using this statement for deleting a single row in sql table.
"DELETE FROM Random WHERE NewID= '" & strwinner & "'"
where "strwinner" is the variable which contains the row to be deleted.
the problem is that when i check the table in sql the row which was supposed to be deleted is sitll there.it does not give me any error statement or something.
iam executing this statement by using ExecuteNonQuery in my .aspx page.
please help
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Oct 19, 2007
hi
i am using sql server 2005 express edition , with asp.net
i am trying to delete a table programmatically
a button on a form , if the client clicked it , then a table
should be dropped .
but always i get an error message , that says "cannot drop table <table name> , becaust it does not exist or you do not have premissions to do that"
could any body help plz
thax
ghassan
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Jul 20, 2005
I was trying to relocate my transaction log to a bigger drive usingsp_movedevice but I made a mistake in the syntax of the second parameterand put only the path, not the path and the file name.Now my database is marked as "suspect" and I get an error message in my logupon database start up saying that the log file cannot be open.Is there a way to have MS SQL 6.5 "forget" all the logs of this database,create new ones and restart the database? The logs contained nothingimportant, I had truncated them an hour or so before I made my mistake. Ijust want to make sure the data are still usable.When I look at the devices with sp_helpdevice, I can see a log that existand is hopefully in pristine condition and the one that doesn't existanymore.I looked in the archives of various newsgroups but couldn't find somethingthat correspond closely to my situation. I saw something similar but withMS SQL 7.0(http://groups.google.com/groups?hl=...om %26rnum%3D4)using sp_attach_db/sp_detach_db. What would be the equivalent with version6.5?Thanks!Charles--Charles-E. Nadeau Ph.Dhttp://radio.weblogs.com/0111823/
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May 5, 2015
One of my customer is asking to delete 95% of the rows in an table which has around 645708 rows in a table.Now my concerns are that , what criteria we need to follow while deleting huge records in table, what are the steps we need to be taken care of?And after deletion, what are the maintenance tasks we need to perform to be up to mark without any issues.Lastly will deletion of 95 % of rows improve performance of a table?
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Aug 18, 2007
Hi I am not sure if I am at right place, anyhow I hope I am :) Now the question: I am using an ASP.net Application with SQL-Server. I want to make a page so that it set the expiration time (date) for certain record and once that time reaches, it deletes those records, or make any updates to the record (what ever applicable). I also want to control this auto deletion from my application, means that turn this On/Off whenever needed. I am not sure how to start this. I was told by a friend that I need to use triggers from SQL-server but I need some help. Can anyone help me out on this? RegardsMykhan
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