DELETE Data Options in PostgreSQL || DELETE DML in PostgreSQL || PostgreSQL Full Playlist #30
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Best PostgreSQL Tutorial - • Best PostgreSQL Tutorial
Best PostgreSQL Tutorial Shorts - • Playlist
Learn the DELETE command in PostgreSQL with syntax, examples, conditions, RETURNING, USING clause, and TRUNCATE difference.
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Description
Welcome to Best PostgreSQL Tutorial Video #30!
In this tutorial, we explore DELETE Data Options in PostgreSQL, an essential part of Data Manipulation Language (DML). You will learn how to delete specific rows, multiple rows based on conditions, and all rows from a table safely and efficiently.
We cover:
✅ Basic DELETE syntax to remove rows using conditions.
✅ How to delete data using the primary key for targeting specific rows.
✅ How to delete multiple rows with flexible WHERE conditions.
✅ RETURNING clause to view deleted rows immediately.
✅ Advanced DELETE using USING clause for join-based deletions.
✅ Difference between DELETE and TRUNCATE commands.
✅ Best practices and caution points while using DELETE to avoid accidental data loss.
💡 Whether you're a beginner or an experienced PostgreSQL user, this tutorial will clarify all use cases of the DELETE command with practical examples, tips, and recommendations.
📊 Check out practical examples like deleting based on price, stock, and product names, and learn how to handle deletion efficiently in real-world databases.
👉 Don't forget to Like, Share, and Subscribe for more PostgreSQL tutorials and database management insights!
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📌 Chapters Covered:
00:00 - Introduction
00:22 - DELETE Key Points
00:48 - DELETE Syntax
01:00 - Setup Example
01:20 - DELETE Specific Row Based On Condition
01:45 - DELETE Exact Row Using Primary Key
02:18 - DELETE Multiple Rows Based On Condition
02:45 - DELETE All Rows
03:05 - DELETE Rows Using Subquery
03:47 - DELETE Using RETURNING Clause
04:45 - DELETE vs TRUNCATE
05:35 - DELETE with USING Clause
06:37 - DELETE Best Practices
07:24 - Summary
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