Databases
Error codes and fixes for Databases.
- SQLSTATE 28000
How to Fix PostgreSQL Error Code 28000 (Invalid Authorization Specification)
PostgreSQL SQLSTATE 28000 indicates an authorization-related connection failure, commonly caused by an incorrect pg_hba.conf rule, a missing or misconfigured database role, or a mismatch with the server authentication configuration.
· Databases
- Error 18456
SQL Server error 18456: Login failed for user
Error 18456 is deliberately vague on the client. The state number in the SQL Server error log tells you the real cause — here is how to read it and fix each one.
· Databases