I am looking for some T_SQL code that would help us eliminateduplicate data entry into our mailing db. Finding and removing theexisting dups is not rocket science, but I am looking for a completesolution.We also want to be able to come up with a T-SQL script to beintelligent enough to know if:"Bill Jones" is the same as "Billy Jones" or"Bill Jones" is the same as "William Jones" or"Bill Jones at 123 My street" is the same as "Bill Jones at 123 MySt."Purchasing scripts from a company is not out of the question. Its amatter of script cost versus my hourly rate to create them... Needlessto say, something cheap.We have only heard of one app that is dynamic enough to handle this,and the cost was way, way out of our range, 6 figures is almost 2years salary.Any ideas would be greatly appreciated.
I have a table that "Geography" that has the following columns: city, state, zip
There are tons of duplicate cities in this table. I ran this query and it shows me the number of occurrences of each city. I want to delete all the duplicates except for 1. I don't want to do this manually as there are a lot of records.
What would the SQL look like to delete the duplicate records but keep at least one?
I have a requirement where i want to delete the records based on the Date column. I have table which contain the columns like machinename ,lasthardwarescandate
I want to delete the records based on the max(Lasthardwarescandate) i.e. latest one, column where the machine name is duplicate menace it repeats. So how would i remove the duplicate machine names based on the Lasthardwarescandate column(There are multiple entries for the Lasthardwarescandate so i want to fetch the latest date column).
Note: Duplication should be removed based on “Last Hardware Scan” date.
Only latest date should be considered from multiple records for the same system. "
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
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).
I have a table...say tb1 of 20 columns which has 2.7 million rows. There is no PK and the only way of identifying a unique row can be done with combination of column1+column2+column3. Can anyone help me how to idetify the duplicate rows and also delete the duplicate rows. And to commit after every 5000 rows. ITS VERY URGENT....Thanks in advance.
I am trying to write a query that will retrieve all students of a particular class and also any rows in HomeworkLogLine if they exist (but return null if there is no row). I thought this should be a relatively simple LEFT join but I've tried every possible combination of joins but it's not working.
SELECT Student.StudentSurname + ', ' + Student.StudentForename AS Fullname, HomeworkLogLine.HomeworkLogLineTimestamp, HomeworkLog.HomeworkLogDescription, ROW_NUMBER() OVER (PARTITION BY HomeworkLogLine.HomeworkLogLineStudentID ORDER BY
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It's only returning two rows (the students where they have a row in the HomeworkLogLine table).
How do i remove duplicate records from a table with a single query without using cursors or anything like that.Sample :tempCol11221P.S The table has only one column
I'm looking to dynamically remove records from tables dynamically using the information schema within SQL Server. Looking to remove records from all the tables within a schema. I have gotten as far as generating the script dynamically then using a while exist clause to execute the delete statements.
Hello friends, I have a one problem, i have a table in that some reocrds are duplicate.i want to find which records are duplicate. for exp. my table is as follows emp_id emp_name 1 aa 2 bb 3 cc 1 aa 3 cc 3 cc and i want the result is like emp_id emp_name 1 aa 1 aa 3 cc 3 cc 3 cc
I have a table that has duplicate records with the exception of the ID and I am trying to write a while loop that would go through the table, locate all duplicate records based on a field called LASTNAME.
I just discovered that all my records appear twice inside my table, inother words, they repeat on the row below. How can I delete all of theduplicates? I'm sure there must be a tidy line of sql to do that.Thanks,Bill
I uploaded some data about 2 or 3 times and it keep appending it to thetable.Now I want to keep only first duplicate and delete rest of.Suppose part number 123 has been added 3 times so I want to keep only 1record.Thanks
I loaded one table via SSIS and found that it contained many duplicate records (from the input source). I can create a SQL task to delete them, but I wonder if SSIS offers and task "out of the box" to delete dups?
Hello Frnds....Can anybody give the answer of this question as How to Delete duplicate records from Table ? I Know that with check option and also with Unique Constraint we can avoid to enter duplicate records in table but How to delete from table which does not have any constraints ?
Someone ran an update statement multiple times so their are multiple entries in the table. What is the quickest way to track down the multiple entries? I would only want to see where timein and timeoff exist in the table multiple times for the same id. So this would be a duplicate
I have student table where duplicate student exist by name with there fathers name and mothers name. I need to search those duplicate records. I do not need ti count them but If there is 5 same student with name then the query will show 5 name then I will delete individually. Below I am trying to show the scenario.
Student_name _____________ Rocky Albert Rocky Williams Albert Robert
The query will show
Student_name ______________ Rocky Rocky Albert Albert
Now i am trying to insert a duplicate copy test by passing testId..Here is my sp
if not EXISTS(SELECT testName from tblTest WHERE UPPER(@testName) = UPPER(@testName)) BEGIN INSERT INTO tblTest SELECT @userId, testName,duration,totalQuestion,termsCondition,0,GETUTCDATE(),GETUTCDATE() from tblTest WHERE id=@testId SET @insertedTestId=@@identity INSERT INTO tblTestQuestion SELECT @insertedTestId,question,0,GETUTCDATE(),GETUTCDATE() from tblTestQuestion WHERE testId=@testId END
how to insert in answer table as one question can be multiple answers.
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
any useful SQL Queries that might be used to identify lists of potential duplicate records in a table?
For example I have Client Database that includes a table dbo.Clients. This table contains various columns which could be used to identify possible duplicate records, such as Surname | Forenames | DateOfBirth | NINumber | PostalCode etc. . The data contained in these columns is not always exactly the same due to differences caused by user data entry; so some records may have missing data from some of the columns and there could be spelling differences too. Like the following examples:
1 | Smith | John Raymond | NULL | NI990946B | SW12 8TQ 2 | Smith | John | 06/03/1967 | NULL | SW12 8TQ 3 | Smith | Jon Raymond | 06/03/1967 | NI 99 09 46 B | SW12 8TQ
The problem is that whilst it is easy for a human being to review these 3 entries and conclude that they are most likely the same Client entered in to the database 3 times; I cannot find a reliable way of identifying them using a SQL Query.
I've considered using some sort of concatenation to a new column, minus white space and then using a "WHERE column_name LIKE pattern" query, but so far I can't get anything to work well enough. Fuzzy Logic maybe?
the results would produce a grid something like this for the example above:
ID | Surname | Forenames | DuplicateID | DupSurname | DupForenames 1 | Smith | John Raymond | 2 | Smith | John 1 | Smith | John Raymond | 3 | Smith | Jon Raymond 9 | Brown | Peter David | 343 | Brown | Pete D next batch of duplicates etc etc . . . .
I need write a query for removing duplicates, for Example in my table I have columns
A_ID name id 1 sam 10 2 sam 10 3 sam 10 4 sam 10 5 ccc 15 6 ccc 15 7 ccc 15 8 fff 20 9 fff 20 10 fff 20
So now I have duplicates values in id column so now I need to take only one value of each and delete the remaining. I need to take first id value 10,15,20 so only 3 rows should be there in my table.
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
I have been involved in a project wherein i have to delete old records from two table and the corresponding child records from the interlinked tables. I try to find a SQL Procedure that deletes the child records, but that procedure uses the sysforeignkeys table for recursively deleting the child records. When i looked at my sysoreignkeys table, it was empty(no rows). Request you all if you can provide me the SQL Procedure that can delete record in the table with the child records.
I have a temp table with the following columns and data
drop table #temp create table #temp (id int,DLR_ID int,KPI_ID int,Brnd_ID int) insert into #temp values (1,2343,34,2) insert into #temp values (2,2343,34,2) insert into #temp values (3,2343,34,2)
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I use the rank function on that table and get the following results
select rank() over (order by DLR_ID,KPI_ID,BRND_ID ) Rown,* from #temp
I am interested only in Rown and Id columns. For each Rown number, I need to get the min(ID) in the second column and the duplicate ID should be in 3rd column as shown below.If i have 3 duplicate IDs , I should have 3 rows with 2nd column being the min(id) and 3rd column having one of the duplicate ids in ascending order(as shown in Rown=6)
We are getting below error while stored proc is being run:
SqlException: Cannot get the data of the row from the OLE DB provider "SQLNCLI" for linked server "sqlcdsclustersqlcds".
OLE DB provider "SQLNCLI" for linked server "sqlcdsclustersqlcds" returned message "Row handle referred to a deleted row or a row marked for deletion.".
Hi, I have two tables A and B. In table A i have three columns called empid, empname and empsalary where empid is an identity column. Table A has some records filled in it. Table B has the same schema except the fact that the empid is not an identity column in table B. Table B does not contain any rows initially. All other aspects remain the same as that of table A. Now i am going to delete some records in table A based on the empid. When i delete the records in table A based on empid the deleted records should be inserted into table B with the same empid. I need to accomplish these two tasks in a single stored procedure. How to do it? I need the entire code for the stored procedure. Please help me. I am trying for the past 4 days. Thanx in Advance
