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DB migrations in legacy without ORM: structure and practice

https://sudonull.com/db-migrations-in-legacy-without-orm-structure-and-practice

Setting up DDL/DML migrations for legacy systems: Git structure, version tables, deploy to dev/prod. Change control without Liquibase/Flyway. Instructions for middle/senior dev.

Oracle → PostgreSQL Migration Without Downtime

https://sudonull.com/oracle-postgresql-migration-without-downtime

Step-by-Step Technical Guide to Migrating from Oracle to PostgreSQL Without Service Downtime. CDC, Debezium, Kafka Connect, Liquibase — Implementation Details.

DuckDB as storage: replacing ETL Postgres

https://sudonull.com/duckdb-as-storage-replacing-etl-postgres

Learn how DuckDB replaces ETL + Postgres with one file for OLAP. Code examples, SLA, migration. Simplify analytics without infrastructure — read the guide for developers.

Database Architecture for Parsing Tariffs on PostgreSQL

https://sudonull.com/database-architecture-for-parsing-tariffs-on-postgresql

Study the star schema for storing internet and TV tariffs: fact tables, dimensions, historicity triggers, indexes. Full SQL code for middle/senior developers. Implement provider monitoring without data loss.

From other projects

AlphaFold DB: How AI Predicted 200 Million Proteins

https://ymaho.com/alphafold-db-how-ai-predicted-200-million-proteins

DeepMind's AlphaFold database contains over 200 million protein structures. Learn how this accelerates drug discovery and transforms science. Read more in the article.

Women's Health Centers Moscow: A New Standard

https://ymaho.com/women-s-health-centers-moscow-a-new-standard

How the Reform of Women's Health Centers in Moscow Is Changing the Market: Free IVF, Cryopreservation, and a Unified Database. Find Out What Awaits Private Medicine.

From the web

Introduction to Database - GeeksforGeeks

https://www.geeksforgeeks.org/dbms/what-is-database/

Apr 28, 2026 · Databases work by organizing and storing information in a structured or unstructured format, allowing easy access, …

Database - Wikipedia

https://en.wikipedia.org/wiki/Database

In computing, a database is an organized collection of data or a type of data store based on the use of a database management …

Database | Supabase

https://supabase.com/database

Every Supabase project is a full Postgres database with realtime functionality, fine-grained access controls, and instant APIs — no …

What Is a Database? - Oracle

https://www.oracle.com/database/what-is-database/

Nov 24, 2020 · A database is an organized collection of structured information, or data, typically stored electronically in a computer …

PostgreSQL: The world's most advanced open source database

https://www.postgresql.org/

1 day ago · PostgreSQL is a powerful, open source object-relational database system with over 35 years of active development that …

What Is a Database? Definition, Types, and Examples

https://whatisdatabase.com/understanding-databases-importance-and-benefits-explained

Apr 5, 2025 · A database is an organized collection of information that can be stored, searched, updated, and managed efficiently. …

SQL DATABASE - W3Schools

https://www.w3schools.com/SQL/sql_ref_database.asp

Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, …

MySQL

https://www.mysql.com/

MySQL Cluster enables users to meet the database challenges of next generation web, cloud, and communications services with …

SQL Tutorial - W3Schools

https://www.w3schools.com/sql/

Our SQL tutorial will teach you how to use SQL in MySQL, SQL Server, MS Access, Oracle, PostgreSQL, and more. Get certified …

DBMS Tutorial - GeeksforGeeks

https://www.geeksforgeeks.org/dbms/dbms/

Mar 14, 2026 · Understand the basics of DBMS, explore how it works, and learn about different database architectures used in real …

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