May 20 路 19 min read 路 The full load finished - Row counts matched -DMS showed zero errors. The team went home feeling like the hard part was over. By 9 AM, the application was throwing errors nobody had seen before. Querie
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Apr 17 路 9 min read 路 You deploy your latest release. The deployment log is scrolling through your hooks, and then you see it: SQLSTATE[42S21]: Column already exists or worse, the migration runs halfway through and the process times out. Your database is now in a partiall...
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Feb 24 路 5 min read 路 1锔忊儯 SELECT (Basic Data Fetching) 馃敼 What it does: Fetch data from a table. 馃敼 Syntax: SELECT column1, column2 FROM table_name; 馃敼 Example: SELECT name, salary FROM employees; 馃敼 Use Case: Showing u
Join discussionJan 23 路 1 min read 路 Using the Flask-Migrate extension you can create database migrations for your application. Flask application鈥檚 typically auto-create db tables on start So running flask db upgrade you鈥檒l get: INFO [alembic.env] No changes in schema detected. To cr...
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Dec 11, 2025 路 3 min read 路 Migrating from Oracle to PostgreSQL offers significant cost advantages, improved flexibility, and freedom from vendor lock-in. By following a structured approach, enterprises can complete database modernization in weeks instead of months. This articl...
Join discussionNov 29, 2025 路 6 min read 路 Rebuilding a legacy system sounds straightforward until you鈥檙e inside it. I was recently contracted to rebuild an old PHP/MySQL application using Django. What made it particularly interesting was that this was my first time ever migrating a legacy da...
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Nov 11, 2025 路 3 min read 路 Following the successful integration of CompilerPlugin support in Scala models, the next critical step in my GSoC 2025 project was implementing backend indexing for these artifacts. Compiler plugins are an essential part of the Scala ecosystem, and p...
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Oct 28, 2025 路 11 min read 路 Migrating to Oracle Autonomous Database requires careful planning, appropriate tool selection, and adherence to best practices. Oracle provides multiple migration methods and tools designed for different scenarios, from simple data loads to complex z...
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Sep 16, 2025 路 7 min read 路 Database upgrades and migrations are critical operations that require careful planning, execution, and validation. Whether you're modernizing your infrastructure, moving to the cloud, or upgrading to leverage new features, following proven best pract...
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Jul 2, 2025 路 4 min read 路 Avoiding Downtime in Django Migrations with django-migration-linter Deploying Django apps with zero downtime is essential in modern production systems, especially when rolling out updates on Kubernetes or deploying worker-based systems incrementally....
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