| PostgreSQL Tutorial in Hindi | Trigger in PostgreSQL |

Published: 01 January 1970
on channel: Learn tech with Arunesh

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#postgresql #trigger #postgresqltrigger

Imagine your database is a magical book that writes its own stories! Triggers are like the spells in this book.

🏰 Setting the Scene:
Tables: You have 📦 orders for new orders and 📜 order history to keep a record.

✨ The Enchanting Spell:
Function: We create 🧙‍♂️ order_history_trigger(). When a new order comes, it adds "🌟 Order placed" to "📜 order_history".

🎩 The Magical Moment:
Trigger: 🔮 order_trigger watches "📦 orders". When a new order comes, it activates 🧙‍♂️ order_history_trigger(), noting the order.

✨ The Magic Unfolds:
Now, when someone orders, the 📜 order history fills with "🌟 Order placed notes, a magical history of orders.

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