sona11

sona11

What are TRC and DRC in relation to DBMS?

What is the difference between tuple relational calculus (TRC) and domain relational calculus (DRC)? What distinguishes them from relational algebra?
I am new to the DBMS field. However, I have learned the fundamentals of relational algebra from here.

Where Next?

Popular Frontend topics Top

ClaudiaGiv
I have a sveltekit project that is using GoTrue library for authentication. In development mode (npm run dev) everything works but when I...
New
axelson
In Elixir I love to use the library GitHub - sasa1977/boundary: Manage and restrain cross-module dependencies in Elixir projects to enfor...
New
beberardinelli
Hi! I just started coding a few months ago and I am trying to get all the help I can get. My friend showed me this debugging tool called...
New
david-j-m
Hi, have a svelte spa gallery site - repl here. Have a couple of category buttons - Oil on Canvas and WaterColor… Sidebar contains all im...
New
sona11
What is the difference between tuple relational calculus (TRC) and domain relational calculus (DRC)? What distinguishes them from relatio...
New
harwind
First have a look at the code: function mainfunc(func, par3, par2){ window[func](par3, par2); } function calledfunc(par3, par2){ ...
/js
New
Fl4m3Ph03n1x
Background I have a a fresh umbrella project with a Phoenix app inside. To create the app I used the following commands: mix new test_a...
New
Fl4m3Ph03n1x
Background I have created a fresh Phoenix app using mix phx.new.web web_interface --no-dashboard --no-ecto --no-gettext --no-mailer insid...
New
Fl4m3Ph03n1x
Background I have a Phoenix application, where all pages (expect the login page) have a menu at the top. This menu will therefore only a...
New
ramiro-marinio
Hello. So unexperienced frontend dev here. Basically, 3 or 4 months ago I started working on a project and I committed the capital sin of...
New

Other popular topics Top

Devtalk
Reading something? Working on something? Planning something? Changing jobs even!? If you’re up for sharing, please let us know what you’...
1052 21915 398
New
PragmaticBookshelf
Stop developing web apps with yesterday’s tools. Today, developers are increasingly adopting Clojure as a web-development platform. See f...
New
AstonJ
You might be thinking we should just ask who’s not using VSCode :joy: however there are some new additions in the space that might give V...
New
AstonJ
This looks like a stunning keycap set :orange_heart: A LEGENDARY KEYBOARD LIVES ON When you bought an Apple Macintosh computer in the e...
New
PragmaticBookshelf
Build highly interactive applications without ever leaving Elixir, the way the experts do. Let LiveView take care of performance, scalabi...
New
rustkas
Intensively researching Erlang books and additional resources on it, I have found that the topic of using Regular Expressions is either c...
New
PragmaticBookshelf
Author Spotlight Mike Riley @mriley This month, we turn the spotlight on Mike Riley, author of Portable Python Projects. Mike’s book ...
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
CommunityNews
A Brief Review of the Minisforum V3 AMD Tablet. Update: I have created an awesome-minisforum-v3 GitHub repository to list information fo...
New
AstonJ
Curious what kind of results others are getting, I think actually prefer the 7B model to the 32B model, not only is it faster but the qua...
New