Software⏱️ 2 min read📅 2026-05-31

How to Fix: Permission denied for relation in PostgreSQL

PostgreSQL permission denied error analysis and solution.

Quick Answer: Check database ownership, permissions, and access control. Ensure the user has SELECT privilege on the table or database.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🔧 Proven Troubleshooting Steps
  3. ✨ Wrapping Up

The 'Permission denied for relation' error in PostgreSQL typically occurs when the current user lacks the necessary privileges to access a specific database object, such as a table or view. In your case, you've already granted all privileges on the database using the `GRANT ALL PRIVILEGES` command.

🛑 Root Causes of the Error

  • The `GRANT ALL PRIVILEGES` command may not have been executed correctly, or the privileges were revoked later.
  • There might be a mismatch between the database object's ownership and the user who is trying to access it.

🔧 Proven Troubleshooting Steps

Method 1: Check Object Ownership

  1. Step 1: Identify the database object's ownership using the `pg_catalog.pg_namespace` and `pg_catalog.pg_class` tables.

Method 2: Re-run GRANT Command

  1. Step 1: Re-run the `GRANT ALL PRIVILEGES` command on the specific user who is trying to access the database object.

✨ Wrapping Up

To resolve the 'Permission denied for relation' error in PostgreSQL, it's essential to investigate and correct any issues with object ownership or privilege management.

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