Oracle still leads the October 2026 DB-Engines list of relational databases, but PostgreSQL is the only top-four system that gained ground this year. PostgreSQL scored 688.75, up 45.56 points from
Fri Oct 09 2026 · 9 min read · 17 views
PostgreSQL is a free, open-source relational database that stores data in tables and answers questions written in SQL. It began in 1986 as the POSTGRES project at the University of California,
Fri Oct 09 2026 · 8 min read · 1 views
A serverless database costs the least when your app sits idle, and the most when it runs all day. That single fact decides most purchases. A hobby app can run free on Neon, Turso or Cloudflare D1. An
Fri Oct 09 2026 · 9 min read · 3 views
The best Firebase alternative for most teams is Supabase, because it swaps Firestore's per-read billing for Postgres and a flat plan. But Firebase itself is cheap for tidy apps. In our model, a
Fri Oct 09 2026 · 8 min read · 1 views
The best way to practice SQL is to run real queries on a database that lives on your own laptop. SQLite is the fastest start, because it is already installed on most Macs and needs no server.
Fri Oct 09 2026 · 9 min read · 3 views
To list databases in PostgreSQL, connect with psql and type \l. That prints every database on the server with its owner, encoding and access privileges. If you would rather use SQL, SELECT datname
Fri Oct 09 2026 · 7 min read · 1 views
Yes, PostgreSQL can store images. You have three ways to do it: a bytea column, large objects, or a path or URL pointing at a file kept elsewhere. For most apps, storing small images in bytea is fine
Fri Oct 09 2026 · 7 min read · 9 views
CREATE TABLE IF NOT EXISTS in SQLite creates the table only when no table of that name exists, and does nothing, with no error, when one does. That makes it safe to run on every app start. It also
Fri Oct 09 2026 · 7 min read · 1 views
Choose SQL when your data has clear relationships and you need joins, transactions and a fixed shape. Choose NoSQL when your data is document-shaped, key-based or enormous and you read it by one key
Fri Oct 09 2026 · 8 min read · 6 views
There are eight database types worth knowing in 2026: relational, document, key-value, wide-column, time-series, graph, search and vector. Each stores data in a different shape and is fast at a
Fri Oct 09 2026 · 8 min read · 4 views
The best cloud database is the one that matches your data model first and your growth curve second. For most new web apps that means managed PostgreSQL (Supabase, Neon or PlanetScale), for
Fri Oct 09 2026 · 7 min read · 2 views
The best Supabase alternative depends on which part of Supabase you actually use. If you want the same Postgres-plus-auth-plus-storage bundle, use Nhost. If you only need a database, use Neon. If you
Fri Oct 09 2026 · 7 min read · 1 views
PostgreSQL is pronounced "post-GRES-Q-L", and the project says plainly that saying just "Postgres" is fine. The official FAQ gives the spelled-out form and links an audio file, then adds that many
Fri Oct 09 2026 · 7 min read · 9 views
Pick PostgreSQL if your data has relationships you query across, and pick MongoDB if your data is a set of self-contained documents that change shape often. The old rule that "PostgreSQL cannot do
Fri Oct 09 2026 · 7 min read · 2 views
PostgreSQL is the better default for most new applications, and MySQL is the better fit when you already run it, need its replication tooling, or serve simple read-heavy traffic. We loaded the same
Fri Oct 09 2026 · 7 min read · 3 views
The right database migration tool depends on which of two jobs you have. If you need to move data between servers or engines, look at a managed service such as Google, AWS or Azure Database Migration
Thu Oct 08 2026 · 8 min read · 3 views
A database migration is the controlled move of a database's structure, its data, or both, from one place or version to another. The word covers three jobs that teams mix up: changing the schema,
Thu Oct 08 2026 · 8 min read · 3 views
The best data migration strategy is the simplest one your downtime budget allows. If the app can stay read-only while you copy, use a big bang migration. If it cannot, you need either a phased move or
Thu Oct 08 2026 · 8 min read · 2 views
The quickest way to check your PostgreSQL version is psql --version for the client, or SHOW serverversion; for the server you are actually connected to. Those two can disagree, and the disagreement is
Thu Oct 08 2026 · 8 min read · 26 views
You can open most .db files in under a minute, but first you need to know what kind of file you hold. The .db extension is not a format. It is a habit, and apps from game launchers to photo tools use
Thu Oct 08 2026 · 9 min read · 4 views