Django Transaction | ACID Properties | DB Locks | Race Condition | Concurrency | DB Inconsistency
🎥 In this video, I will discuss how you can handle race conditions due to concurrent requests trying to update the same row in the database leading to database inconsistencies.
✴️ Understanding the problem through an example of a bank account transfer
✴️ How to satisfy SQL ACID Properties in Django
✴️ ACID - Atomicity, Consistency, Isolation, Durability
✴️ How to make an atomic transaction in Django
✴️ What is database rollback
✴️ What will happen in case the server is performing operations and the system fails/shutdowns due to unexpected reasons
✴️ How to maintain consistency in the database?
✴️ How to lock the rows in the database using select_for_update (Kind of a DB Lock in Django)
✴️ Understanding select_for_update params - nowait=True/False, skip_locked=True
✴️ What is durability in ACID?
✴️ Understanding when the changes actually get committed to the database
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