Database Error Errors
103 errors documented across all languages
Browse all Database Error errors with detailed explanations, root causes, and step-by-step fixes. Each error includes code examples to help you resolve the issue quickly.
103 errors found
ORA-01502: index contains duplicate key values starting from row 1
Database Error
Cannot convert ResultSet to List<String> because the underlying database returned a ResultSet with a different column count than expected
Database Error
SQLSTATE[HY000] [1045] Unable to connect to the database: Access denied for user 'root'@'localhost' (using password: YES)
Framework Error
Cannot truncate table 'sales' because it is being referenced by a FOREIGN KEY constraint in table 'monthly_report'
Database Error
Invalid data type: org.hibernate.HibernateException: No Dialect class marked with ForName found for dialect 'mysql' in /home/user/project/src/main/java/com/company/App.java at line 123
Database Error
Cannot generate system views for recursive common table expressions (CTEs) with correlated subqueries
Database Error
Cannot execute query. The database has been closed.
Database Error
Invalid value for column 'age' of type 'integer': '<b>NULL</b>'
Database Error
SQLSTATE[HY000]: General error: 1216 Cannot delete or update a parent row: a foreign key constraint fails ('database_name'.'table_name'.'column_name' = 'related_table_name'.'related_column_name')
Database Error
Cannot add foreign key constraint 'fk_orders_customers' because table 'orders' does not exist in the schema.
Database Error
The SQL syntax error or exception 'ORA-01722: invalid number' occurred while executing the PreparedStatement
Database Error
java.sql.SQLException: Column 'username' is either not in any table in the FROM clause, or the current statement implementation does not support result set offsets.
Database Error