Database Error Encyclopedia

MySQL Error 1045 occurs when a client attempts to connect with credentials that the MySQL server rej...

MySQL Error 1064 indicates a syntax error in the SQL statement. MySQL's parser encountered a token i...

MySQL Error 1062 occurs when an INSERT or UPDATE attempts to add a value that violates a UNIQUE or P...

MySQL Error 1146 occurs when a SQL statement references a table that does not exist in the current d...

MySQL Error 1452 occurs when an INSERT or UPDATE on a child table tries to set a foreign key value t...

MySQL Error 1054 occurs when a query references a column name that the parser cannot find in any of ...

MySQL Error 1451 occurs when you try to delete or modify a row in a parent table that has correspond...

PostgreSQL SQLSTATE 08001 indicates the client could not establish a connection to the PostgreSQL se...

PostgreSQL SQLSTATE 42601 indicates a SQL syntax error. PostgreSQL's error messages are among the mo...

PostgreSQL SQLSTATE 23505 occurs when an INSERT or UPDATE violates a UNIQUE or PRIMARY KEY constrain...

PostgreSQL SQLSTATE 28P01 indicates that the client provided the correct username but the wrong pass...

PostgreSQL SQLSTATE 42703 occurs when a SQL statement references a column that does not exist in the...

PostgreSQL SQLSTATE 42P01 occurs when a query attempts to reference a table, view, or sequence that ...

PostgreSQL SQLSTATE 23503 occurs when an operation violates referential integrity. This happens when...

SQL Server Error 18456 is an authentication failure. SQL Server's error log contains the critical 'S...

SQL Server Error 208 occurs when a query references a table, view, stored procedure, or other databa...

SQL Server Error 1205 occurs when the SQL Server deadlock monitor detects two transactions that are ...

Oracle ORA-01017 is an authentication failure — the provided username/password combination was rejec...

Oracle ORA-00942 occurs when a SQL statement references a table or view that does not exist in the c...