AkousaError SQL/DatabaseError
MySQL 1049MySQL 1049 — Unknown Database
The specified database does not exist.
mysql
Lihat detail 40P01Two or more transactions are waiting for each other's locks, creating a deadlock.
Transaction A holds lock X and waits for Y, while Transaction B holds Y and waits for X. The database rolled back one transaction.
Retry the rolled-back transaction. Access tables in consistent order. Keep transactions short. Use FOR UPDATE NOWAIT to fail fast.
-- deadlock_detected
-- PostgreSQL automatically aborts one transaction
-- Fix: ensure consistent lock orderingMySQL 1049The specified database does not exist.
42809The named object is not the expected type for the operation.
22012A division by zero was attempted in a SQL expression.
42830The foreign key definition is invalid due to type mismatch or missing unique constraint.
SQLITE_CONSTRAINT (19)An INSERT, UPDATE, or DELETE violated a constraint.
08006An established database connection was unexpectedly lost.