duplicate-data

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INSERT..ON DUPLICATE KEY UPDATE - but NOT using the duplicate key to compare

I am trying to solve a problem I have inherited with poor treatment of different data sources. I have a user table that contains BOTH good and evil users.[详细]

2023-01-02 19:27 分类：问答
What is the SQL statement that removes duplicates but keep additional column's data?

I\'d like to know what should be the SQL statement (for ORACLE DBMS) that would get back unique (by CUSTOMER_ID, VEHICLE_ID, DEA开发者_如何学CLER_ID and EVENT_TYPE_ID) rows BUT it will return the late[详细]

2022-12-29 20:52 分类：问答
Removing contiguous duplicate lines in vi without sorting

This question already addresses how to remove duplicate lines, but enforces that the list is sorted first.[详细]

2022-12-28 10:14 分类：问答
duplicate one element from php array

how i can duplicate one element from array: for example, i have this array: Array ( [LRDEPN] => 0008.jpg[详细]

2022-12-27 14:32 分类：问答
Remove duplicates from generic list<T>

I have came with solution to remove duplicates from generic list<T> in .NET 2.0 as follows: List<CaseStudy> caseStudies = CaseStudyDAO.FindCaseStudiesByDate(DateTime.Now.Date, DateTime.No[详细]

2022-12-26 15:02 分类：问答
How to delete duplicate records in MySQL by retaining those fields with data in the duplicate item but not in the original item?

I hav开发者_运维技巧e few thousands of records with few 100 fields in a MySQL Table. Some records are duplicates and are marked as such. Now while I can simply delete the dupes, I want to retain any[详细]

2022-12-26 01:30 分类：问答
Finding duplicate files by content across multiple directories

I have downloaded some files from the internet related to a particular topic. Now I wish to check if the files have any duplicates. The issue is that the na开发者_开发技巧mes of the files would be dif[详细]

2022-12-22 09:24 分类：问答
Forward a copy of http requests to another (test) environment

I want all the production data for my web-app to also flow through my testing environment. Essentially, I want to forward every http request for the production site to the test site (and also have the[详细]

2022-12-22 04:53 分类：问答
How to remove the quoted text from an email and only show the new text

I am parsing emails. When I see a reply to an email, I would like to remove the quoted text so that I can append the text to the previous email (even if its a reply).[详细]

2022-12-21 20:33 分类：问答
mysql duplicate data deletion

This shows me all the first names and last names that have exactly two entries that are identical SELECT `firstname`,`lastname`,COUNT(*) AS Count[详细]

2022-12-18 18:26 分类：问答