Database Error Codes & Limits Reference

Searchable reference of database error codes and platform limits with causes, fixes, and code examples: PostgreSQL SQLSTATE errors, Supabase Auth and PostgREST errors, and Supabase plan limits.

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Indexes

• PostgreSQL Error Codes 20 pages
• Supabase Error Codes 15 pages
• Supabase Limits 5 pages
• Prisma Error Codes 22 pages
• MySQL Error Codes 12 pages

Most Requested Fixes

• 23505 Unique Violation
• P2002 Unique Constraint Failed
• P3018 A Migration Failed to Apply
• 1062 Duplicate Entry
• 42601 Syntax Error
• 1064 SQL Syntax Error
• 42P01 Undefined Table
• 23503 Foreign Key Violation
• invalid_credentials Invalid Credentials
• PGRST116 Multiple or Zero Rows for a Singular Request