Quick Answer

Column not found in table

Understanding the Issue

This error occurs when referencing a column that doesn't exist in the specified table, typically due to typos or incorrect table references.

The Problem

This code demonstrates the issue:

Sql Error 
-- Problem: Typo in column name
SELECT product_name FROM products; -- Column is actually "name"

The Solution

Here's the corrected code:

Sql Fixed 
-- Solution 1: Correct column name
SELECT name FROM products;

-- Solution 2: Check table structure
DESCRIBE products; -- MySQL
SELECT column_name FROM information_schema.columns 
WHERE table_name = 'products'; -- Standard SQL

-- Solution 3: Use table alias
SELECT p.name FROM products p;

Key Takeaways

Verify column names against the actual table structure.