diff --git a/src/Database/DriverException.php b/src/Database/DriverException.php
index 1ab98d27c..425c688bf 100644
--- a/src/Database/DriverException.php
+++ b/src/Database/DriverException.php
@@ -18,18 +18,11 @@ class DriverException extends \Exception
 	public function __construct(
 		string $message,
 		private readonly ?string $sqlState = null,
-		private int $driverCode = 0,
+		int $code = 0,
 		private readonly ?SqlLiteral $query = null,
 		?\Throwable $previous = null,
 	) {
-		parent::__construct($message, 0, $previous);
-		$this->code = $sqlState ?: null;
-	}
-
-
-	public function getDriverCode(): int|string|null
-	{
-		return $this->driverCode ?: null;
+		parent::__construct($message, $code, $previous);
 	}
 
 
diff --git a/tests/Database/Connection.exceptions.mysql.phpt b/tests/Database/Connection.exceptions.mysql.phpt
index 71258ea4e..95c69772c 100644
--- a/tests/Database/Connection.exceptions.mysql.phpt
+++ b/tests/Database/Connection.exceptions.mysql.phpt
@@ -20,20 +20,21 @@ test('Exception thrown for invalid database credentials', function () {
 		fn() => new Nette\Database\Connection($options['dsn'], 'unknown', 'unknown'),
 		Nette\Database\ConnectionException::class,
 		'%a% Access denied for user %a%',
+		1045,
 	);
 
-	Assert::same(1045, $e->getDriverCode());
 	Assert::contains($e->getSqlState(), ['HY000', '28000']);
-	Assert::same($e->getCode(), $e->getSqlState());
 });
 
 
-testException(
-	'Exception thrown when calling rollback with no active transaction',
-	fn() => $connection->rollback(),
-	Nette\Database\DriverException::class,
-	'There is no active transaction',
-);
+test('Exception thrown when calling rollback with no active transaction', function () use ($connection) {
+	$e = Assert::exception(
+		fn() => $connection->rollback(),
+		Nette\Database\DriverException::class,
+		'There is no active transaction',
+	);
+	Assert::null($e->getSqlState());
+});
 
 
 test('Exception thrown for syntax error in SQL query', function () use ($connection) {
@@ -41,11 +42,9 @@ test('Exception thrown for syntax error in SQL query', function () use ($connect
 		fn() => $connection->query('SELECT'),
 		Nette\Database\DriverException::class,
 		'%a% Syntax error %a%',
-		'42000',
+		1064,
 	);
-
-	Assert::same(1064, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('42000', $e->getSqlState());
 });
 
 
@@ -54,11 +53,9 @@ test('Exception thrown for unique constraint violation', function () use ($conne
 		fn() => $connection->query('INSERT INTO author (id, name, web, born) VALUES (11, "", "", NULL)'),
 		Nette\Database\UniqueConstraintViolationException::class,
 		'%a% Integrity constraint violation: %a%',
-		'23000',
+		1062,
 	);
-
-	Assert::same(1062, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('23000', $e->getSqlState());
 });
 
 
@@ -67,11 +64,9 @@ test('Exception thrown for not null constraint violation', function () use ($con
 		fn() => $connection->query('INSERT INTO author (name, web, born) VALUES (NULL, "", NULL)'),
 		Nette\Database\NotNullConstraintViolationException::class,
 		'%a% Integrity constraint violation: %a%',
-		'23000',
+		1048,
 	);
-
-	Assert::same(1048, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('23000', $e->getSqlState());
 });
 
 
@@ -80,9 +75,7 @@ test('Exception thrown for foreign key constraint violation', function () use ($
 		fn() => $connection->query('INSERT INTO book (author_id, translator_id, title) VALUES (999, 12, "")'),
 		Nette\Database\ForeignKeyConstraintViolationException::class,
 		'%a% a foreign key constraint fails %a%',
-		'23000',
+		1452,
 	);
-
-	Assert::same(1452, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('23000', $e->getSqlState());
 });
diff --git a/tests/Database/Connection.exceptions.postgre.phpt b/tests/Database/Connection.exceptions.postgre.phpt
index efd3cec43..c6c005747 100644
--- a/tests/Database/Connection.exceptions.postgre.phpt
+++ b/tests/Database/Connection.exceptions.postgre.phpt
@@ -21,21 +21,20 @@ test('Exception thrown for invalid database credentials', function () {
 		fn() => new Nette\Database\Connection($options['dsn'], 'unknown', 'unknown'),
 		Nette\Database\ConnectionException::class,
 		null,
-		'08006',
+		7,
 	);
-
-	Assert::same(7, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('08006', $e->getSqlState());
 });
 
 
-testException(
-	'Exception thrown when calling rollback with no active transaction',
-	fn() => $connection->rollback(),
-	Nette\Database\DriverException::class,
-	'There is no active transaction',
-	null,
-);
+test('Exception thrown when calling rollback with no active transaction', function () use ($connection) {
+	$e = Assert::exception(
+		fn() => $connection->rollback(),
+		Nette\Database\DriverException::class,
+		'There is no active transaction',
+	);
+	Assert::null($e->getSqlState());
+});
 
 
 test('Exception thrown for syntax error in SQL query', function () use ($connection) {
@@ -43,11 +42,9 @@ test('Exception thrown for syntax error in SQL query', function () use ($connect
 		fn() => $connection->query('SELECT INTO'),
 		Nette\Database\DriverException::class,
 		'%a% syntax error %A%',
-		'42601',
+		7,
 	);
-
-	Assert::same(7, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('42601', $e->getSqlState());
 });
 
 
@@ -56,11 +53,9 @@ test('Exception thrown for unique constraint violation', function () use ($conne
 		fn() => $connection->query("INSERT INTO author (id, name, web, born) VALUES (11, '', '', NULL)"),
 		Nette\Database\UniqueConstraintViolationException::class,
 		'%a% Unique violation: %A%',
-		'23505',
+		7,
 	);
-
-	Assert::same(7, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('23505', $e->getSqlState());
 });
 
 
@@ -69,11 +64,9 @@ test('Exception thrown for not null constraint violation', function () use ($con
 		fn() => $connection->query("INSERT INTO author (name, web, born) VALUES (NULL, '', NULL)"),
 		Nette\Database\NotNullConstraintViolationException::class,
 		'%a% Not null violation: %A%',
-		'23502',
+		7,
 	);
-
-	Assert::same(7, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('23502', $e->getSqlState());
 });
 
 
@@ -82,9 +75,7 @@ test('Exception thrown for foreign key constraint violation', function () use ($
 		fn() => $connection->query("INSERT INTO book (author_id, translator_id, title) VALUES (999, 12, '')"),
 		Nette\Database\ForeignKeyConstraintViolationException::class,
 		'%a% Foreign key violation: %A%',
-		'23503',
+		7,
 	);
-
-	Assert::same(7, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('23503', $e->getSqlState());
 });
diff --git a/tests/Database/Connection.exceptions.sqlite.phpt b/tests/Database/Connection.exceptions.sqlite.phpt
index a3989acd5..8f45637b0 100644
--- a/tests/Database/Connection.exceptions.sqlite.phpt
+++ b/tests/Database/Connection.exceptions.sqlite.phpt
@@ -20,20 +20,21 @@ test('Exception thrown for unable to open database file', function () {
 		fn() => new Nette\Database\Connection('sqlite:.'),
 		Nette\Database\ConnectionException::class,
 		'SQLSTATE[HY000] [14] unable to open database file',
-		'HY000',
+		14,
 	);
 
-	Assert::same(14, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('HY000', $e->getSqlState());
 });
 
 
-testException(
-	'Exception thrown when calling rollback with no active transaction',
-	fn() => $connection->rollback(),
-	Nette\Database\DriverException::class,
-	'There is no active transaction',
-);
+test('Exception thrown when calling rollback with no active transaction', function () use ($connection) {
+	$e = Assert::exception(
+		fn() => $connection->rollback(),
+		Nette\Database\DriverException::class,
+		'There is no active transaction',
+	);
+	Assert::null($e->getSqlState());
+});
 
 
 test('Exception thrown for error in SQL query', function () use ($connection) {
@@ -41,11 +42,9 @@ test('Exception thrown for error in SQL query', function () use ($connection) {
 		fn() => $connection->query('SELECT'),
 		Nette\Database\DriverException::class,
 		'%a% error%a%',
-		'HY000',
+		7,
 	);
-
-	Assert::same(1, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('HY000', $e->getSqlState());
 });
 
 
@@ -54,11 +53,9 @@ test('Exception thrown for unique constraint violation', function () use ($conne
 		fn() => $connection->query('INSERT INTO author (id, name, web, born) VALUES (11, "", "", NULL)'),
 		Nette\Database\UniqueConstraintViolationException::class,
 		'%a% Integrity constraint violation: %a%',
-		'23000',
+		19,
 	);
-
-	Assert::same(19, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('23000', $e->getSqlState());
 });
 
 
@@ -67,11 +64,9 @@ test('Exception thrown for not null constraint violation', function () use ($con
 		fn() => $connection->query('INSERT INTO author (name, web, born) VALUES (NULL, "", NULL)'),
 		Nette\Database\NotNullConstraintViolationException::class,
 		'%a% Integrity constraint violation: %a%',
-		'23000',
+		19,
 	);
-
-	Assert::same(19, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	Assert::same('23000', $e->getSqlState());
 });
 
 
@@ -79,8 +74,6 @@ test('Exception thrown for foreign key constraint violation', function () use ($
 	$e = Assert::exception(function () use ($connection) {
 		$connection->query('PRAGMA foreign_keys=true');
 		$connection->query('INSERT INTO book (author_id, translator_id, title) VALUES (999, 12, "")');
-	}, Nette\Database\ForeignKeyConstraintViolationException::class, '%a% Integrity constraint violation: %a%', '23000');
-
-	Assert::same(19, $e->getDriverCode());
-	Assert::same($e->getCode(), $e->getSqlState());
+	}, Nette\Database\ForeignKeyConstraintViolationException::class, '%a% Integrity constraint violation: %a%', 19);
+	Assert::same('23000', $e->getSqlState());
 });
diff --git a/tests/Database/Explorer/Explorer.update().phpt b/tests/Database/Explorer/Explorer.update().phpt
index 11ffd1a81..008bae316 100644
--- a/tests/Database/Explorer/Explorer.update().phpt
+++ b/tests/Database/Explorer/Explorer.update().phpt
@@ -79,7 +79,7 @@ $tag2 = $explorer->table('tag')->insert([
 	'name' => 'PS4 Game',
 ]);  // INSERT INTO `tag` (`name`) VALUES ('PS4 Game')
 
-// SQL Server throw PDOException because does not allow to update identity column
+// SQL Server throw exception because does not allow to update identity column
 if ($driverName !== 'sqlsrv') {
 	$tag2->update([
 		'id' => 1,