Quick Answer

Insufficient database permissions

Understanding the Issue

This error occurs when the database user lacks sufficient privileges to perform the requested operation (select, insert, create, etc.).

The Problem

This code demonstrates the issue:

Sql Error 
-- Problem: No privileges
SELECT * FROM restricted_table; -- Error

The Solution

Here's the corrected code:

Sql Fixed 
-- Solution 1: Connect as privileged user
-- Contact database administrator

-- Solution 2: Request necessary privileges
-- GRANT SELECT ON restricted_table TO username;

-- Solution 3: Check connection details
-- Verify username, password, host, and database name

-- Solution 4: Check user permissions
SHOW GRANTS; -- MySQL
-- or
SELECT * FROM information_schema.user_privileges;

Key Takeaways

Ensure database user has appropriate permissions for operations.