All classes that implement DatabaseException

class \Drupal\Core\Database\DatabaseExceptionWrapper extends \RuntimeException implements DatabaseException
class \Drupal\Core\Database\IntegrityConstraintViolationException extends \RuntimeException implements DatabaseException
class \Drupal\Core\Database\Query\FieldsOverlapException extends \InvalidArgumentException implements DatabaseException
class \Drupal\Core\Database\Query\InvalidMergeQueryException extends \InvalidArgumentException implements DatabaseException
class \Drupal\Core\Database\Query\NoFieldsException extends \InvalidArgumentException implements DatabaseException
class \Drupal\Core\Database\SchemaException extends \RuntimeException implements DatabaseException
class \Drupal\Core\Database\SchemaObjectDoesNotExistException implements DatabaseException
class \Drupal\Core\Database\SchemaObjectExistsException implements DatabaseException
class \Drupal\Core\Database\TransactionCommitFailedException implements DatabaseException
class \Drupal\Core\Database\TransactionException extends \RuntimeException implements DatabaseException
class \Drupal\Core\Database\TransactionExplicitCommitNotAllowedException implements DatabaseException
class \Drupal\Core\Database\TransactionNameNonUniqueException implements DatabaseException
class \Drupal\Core\Database\TransactionNoActiveException implements DatabaseException
class \Drupal\Core\Database\TransactionOutOfOrderException implements DatabaseException

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