Common SQL Errors and How to Fix Them

SQL errors can be confusing, whether you're just starting out or debugging a production query. This page covers the most common SQL error codes like SQL Error 1064, SQL Server Error 18456, and ORA-00933 - including what they mean, why they happen, and how to fix them

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Learn more about SQL errors below!

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Syntax error at or near [keyword]

PostgreSQL (also applies to other SQL dialects)

Divide by zero error encountered

SQL Server (also applies to most SQL dialects)

MySQL Error 1064: SQL Syntax Error

SQL Server Error 53: Named Pipes Provider – Could Not Open a Connection

Connection Error

SQLCODE -204: Object Not Defined

RAISERROR in SQL Server

Saving changes is not permitted

Invalid column name

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