12 PostgreSQL Interview Questions
See if you can read through the list below and answer every question. If you can - you are going to crush this interview!
6 days ago
PostgreSQL
Performance differences between Postgres and MySQL
What workload analysis and running queries can teach us about the performance differences in JSON, indexing, and concurrency.
a month ago
Postgres Notify for Real Time Dashboards
Using pg_notify in Postgres alongside the NOTIFY and LISTEN syntax is all that's needed to build a real time updating dashboard.
a month ago
A Powerful Addition to Your Postgres Toolbelt: Table Inheritance
Learn how to use inheritance in your Postgres database to save time and effort with data management.
2 months ago
Time to Add Databases to your Spring Cleaning - VACUUMs in Postgres
Deleted records from your database could still be taking up space on your disk. Learn how to use VACUUM to reduce size and improve performance of your databases.
2 months ago
Create a Web App and Deploy it to the Cloud in 20 minutes with Python
Learn how to create a web app using Flask, connect to a Postgres database, and deploy the app and database to Heroku.
2 months ago
Forget SQL vs NoSQL - Get the Best of Both Worlds with JSON in PostgreSQL
Create a database schema for any situation with the power of JSON.
By
Derek Xiao
A Complete Guide to UUIDs in PostgreSQL
Universally Unique IDs (UUIDs) use random numbers to create unique IDs. UUIDs use more storage, but they provide a good solution for distributed databases and security.
3 months ago
Trigger Warning! Setting up Database Tracking with Triggers in Postgres
SQL triggers are less common but can be a great solution for certain situations. I'll provide examples for how to use triggers to enforce data integrity and track changes to a database.
3 months ago