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Mar 16, 2025 · 7 min read · PostgreSQL is a powerful database system designed to handle multiple users at the same time. To keep things running smoothly, it creates a separate process for each user. This ensures that one user’s actions don’t slow down or crash another’s. But ho...
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Feb 25, 2025 · 5 min read · If you’re working with databases in Python using SQL Alchemy, you’ve probably heard about sessions and transactions. But what happens when an error occurs? Do all your database changes get lost? Or do some updates still work? Let’s break this down wi...
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Jun 15, 2024 · 2 min read · Every time you add a new attribute, modify the structure of your SQLAlchemy models, etc., you must perform a "migration" to replicate those changes in the database. Examples of migrations include adding new columns, tables, etc. As a result, unlike D...
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