harwind

harwind

How to Efficiently Find and Remove Duplicates in a Large SQL Database?

I have a large SQL database with millions of records, and I’ve identified duplicate entries. What’s the most efficient way to find and remove these duplicates without compromising database performance or data integrity? Are there any best practices or SQL queries that can help in this situation?"

This question addresses a common database maintenance task and invites SQL experts to share their knowledge on efficiently identifying and dealing with duplicate records in a large database.

Where Next?

Popular Backend topics Top

andrea
Can Phoenix LiveView be used in multi-page applications, unlike React/Vue/Blazor which seems to be targeted for SPA?
New
mrmurphy
I’ve run into a situation where I’ve got a list of posts inside of a container that uses phx-update=“prepend”, and the posts on the socke...
New
sampu
I have a use case where a client is invoking a Rest endpoint via a load balancer, which in turn invokes a third party endpoint which is r...
New
JimmyCarterSon
Hello, I am. very new to Elixir lang I have only been doing it for about 2 weeks. I recently started following this tutorial todo list, ...
New
Fl4m3Ph03n1x
Background I am trying to encode a structure into json format using the Jason library. However, this is not working as expected. Code L...
New
conradwt
Hi, I’m building an application that will have support for both the web and mobile. At this time, I’m using PhxGenAuth for authenticatio...
New
Fl4m3Ph03n1x
Background PS: the following situation describes an hypothetical scenario, where I own a company that sells things to customers. I have ...
New
AstonJ
If when trying to create (or recreate) your dev db with rails db:create you are getting: PG::ConnectionBad: connection to server on soc...
New
sona11
In Java, if I try to do.equals() on a null string, a null pointer error is issued. I’m wondering whether I can perform the following if I...
New
Fl4m3Ph03n1x
Background When trying to execute mix release on a Windows 11 machine for a Phoenix project I get the following error: * assembling mark...
New

Other popular topics Top

PragmaticBookshelf
Machine learning can be intimidating, with its reliance on math and algorithms that most programmers don't encounter in their regular wor...
New
AstonJ
poll poll Be sure to check out @Dusty’s article posted here: An Introduction to Alternative Keyboard Layouts It’s one of the best write-...
New
dimitarvp
Small essay with thoughts on macOS vs. Linux: I know @Exadra37 is just waiting around the corner to scream at me “I TOLD YOU SO!!!” but I...
New
PragmaticBookshelf
Build highly interactive applications without ever leaving Elixir, the way the experts do. Let LiveView take care of performance, scalabi...
New
AstonJ
If you get Can't find emacs in your PATH when trying to install Doom Emacs on your Mac you… just… need to install Emacs first! :lol: bre...
New
New
Help
I am trying to crate a game for the Nintendo switch, I wanted to use Java as I am comfortable with that programming language. Can you use...
New
First poster: bot
zig/http.zig at 7cf2cbb33ef34c1d211135f56d30fe23b6cacd42 · ziglang/zig. General-purpose programming language and toolchain for maintaini...
New
First poster: AstonJ
Jan | Rethink the Computer. Jan turns your computer into an AI machine by running LLMs locally on your computer. It’s a privacy-focus, l...
New
mindriot
Ok, well here are some thoughts and opinions on some of the ergonomic keyboards I have, I guess like mini review of each that I use enoug...
New