Syntax Error

What This Error Means

A syntax error occurs when the SQL parser is unable to parse the SQL statement due to incorrect syntax, such as missing or mismatched parentheses.

Why It Happens

This error typically happens when a subquery is used in the WHERE clause and a closing parenthesis is missing. The SQL parser expects a matching closing parenthesis to complete the subquery, but it finds none, resulting in a syntax error.

How to Fix It

1. 11. Identify the subquery in the WHERE clause that is causing the error.
2. 2 2. Check if there are any mismatched or missing parentheses in the subquery.
3. 3 3. Add the missing closing parenthesis to complete the subquery.
4. 4 4. Verify that the parentheses are properly matched and balanced throughout the SQL statement.

Example Code Solution

SELECT * FROM customers
WHERE id IN (
  SELECT customer_id FROM orders
)

SELECT * FROM customers
WHERE id IN (
  SELECT customer_id FROM orders
  )