#primary-keys

SE Sergey Prokhorenko

UUIDv7 and RFC 9562 FAQ

I am a contributor to RFC 9562, and I wrote this FAQ because I kept seeing the same concerns about UUIDv7 surfacing across Hacker News…

Jun 13, 2026 · 3 min read · 0 claps #uuid #uuidv7 #dwh

AY Aysel Musayeva

Different types of keys | Primary Key and Foreign Key

One of the confusing topics in Database for beginners

Jun 12, 2026 · 3 min read · 0 claps #primary-keys #foreign-key #super-key

YA Yash Pandey

Primary Key Generation: Sequence Generator vs UUIDv7 vs MongoDB ObjectId

Primary keys look simple.

May 10, 2026 · 5 min read · 1 claps #database #primary-keys #sql

AI SCI

NI Nivethabaskar

What is a primary key?

A primary key is a column or a set of columns in a database table that uniquely identifies each record in that table. It ensures that no…

May 09, 2026 · 1 min read · 0 claps #data-science #data #internships

ECO HUM

FI Filemakr

Database Design for Student Management System: ER Diagram, Schema, Tables & SQL Guide

Database Design for Student Management System: ER Diagram, Schema, Tables & SQL Guide

Apr 01, 2026 · 7 min read · 0 claps #database #primary-keys #foreign-key

TCH ECO

AN ANKUSH THAVALI

What is Primary Key, Foreign Key, and Index in MySQL?

Databases are the backbone of every modern application from banking systems and e-commerce platforms to social media apps. If you’re…

Mar 21, 2026 · 3 min read · 0 claps #primary-keys #foreign-key #index-in-mysql

TCH

HU Hubert Dudek · DBSQL SME Engineering

Deduplicating Data on the Databricks Lakehouse (five major strategies)

Deduplication is a core topic in a Lakehouse because data is stored in files (Delta tables). Unlike many OLTP systems, we do not have…

Feb 28, 2026 · 8 min read · 56 claps paywalled #databricks #deduplication #primary-keys

GR Gracevalerie

The 6 Essential SQL Constraints for Reliable Data

When designing your database, you may want to restrict what data is inserted into your tables. This will help you prevent duplicate data…

Feb 20, 2026 · 3 min read · 0 claps #sql #constraints #primary-keys

AR Ara K

Are Surrogate Keys a Thing of the Past?

For years, we have been told to always use a surrogate primary key (PK) instead of a natural PK. This advice applied, not just to data…

Feb 18, 2026 · 9 min read · 0 claps #database-design #database #primary-keys

VA Valette

Integer or UUID primary keys in relational databases?

Database primary keys are integers by default, but they can leak information and make merging databases more challenging. To address these…

Feb 12, 2026 · 5 min read · 0 claps #database #relational-databases #uuid

SCI

PI Piyush Doorwar 💻 · Mr. Plan ₿ Publication

Stop Using INTs for Primary Keys (Unless You Really Know Why)

UUIDs and ULIDs are more than buzzwords — they’re tools for future-proofing your database.

Jul 17, 2025 · 2 min read · 369 claps #sql #primary-keys #uuid

EA EastLight90KR

Introduction to Relational Databases and Types of Keys

Databases are essential components of modern information systems, and Relational Databases (RDBMS) are among the most widely used…

Apr 22, 2025 · 2 min read · 0 claps #relational-databases #rdbms #primary-keys

SU SuciRidyantiPuteri

Apa Itu Primary Key, Foreign Key, dan Candidate Key

Apa itu Key dalam DBMS?

Oct 31, 2023 · 3 min read · 0 claps #basis-data #database #foreign-key

DI Dias Fikry Nurdiansyah

Apa itu Primary Key, Foreign Key, dan Candidate Key dan beserta Penerapannya

Sebelum ke Pembahasan, kita harus mengetahui terlebih dahulu apa itu key dalam ERD

Oct 30, 2023 · 6 min read · 0 claps #primary-keys #foreign-key #candidate-key

RI Rizky Ferdi Nugraha

Apa itu PrimaryKey (Kunci Utama), ForeignKey (Kunci Asing), Candidate Key

Primary Key

Oct 29, 2023 · 5 min read · 0 claps #primary-keys #foreign-key #candidate-key