diff --git a/lib/Doctrine/DBAL/Driver/OCI8/ExecutionMode.php b/lib/Doctrine/DBAL/Driver/OCI8/ExecutionMode.php
new file mode 100644
index 00000000000..aa16cdd35d4
--- /dev/null
+++ b/lib/Doctrine/DBAL/Driver/OCI8/ExecutionMode.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\DBAL\Driver\OCI8;
+
+/**
+ * Encapsulates the execution mode that is shared between the connection and its statements.
+ */
+final class ExecutionMode
+{
+    /** @var bool */
+    private $isAutoCommitEnabled = true;
+
+    public function enableAutoCommit() : void
+    {
+        $this->isAutoCommitEnabled = true;
+    }
+
+    public function disableAutoCommit() : void
+    {
+        $this->isAutoCommitEnabled = false;
+    }
+
+    public function isAutoCommitEnabled() : bool
+    {
+        return $this->isAutoCommitEnabled;
+    }
+}
diff --git a/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php b/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php
index c2eac6d92a5..9887201d826 100644
--- a/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php
+++ b/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php
@@ -9,9 +9,7 @@
 use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
 use Doctrine\DBAL\Driver\Statement as DriverStatement;
 use UnexpectedValueException;
-use const OCI_COMMIT_ON_SUCCESS;
 use const OCI_DEFAULT;
-use const OCI_NO_AUTO_COMMIT;
 use function addcslashes;
 use function oci_commit;
 use function oci_connect;
@@ -31,8 +29,8 @@ class OCI8Connection implements Connection, ServerInfoAwareConnection
     /** @var resource */
     protected $dbh;
 
-    /** @var int */
-    protected $executeMode = OCI_COMMIT_ON_SUCCESS;
+    /** @var ExecutionMode */
+    private $executionMode;
 
     /**
      * Creates a Connection to an Oracle Database using oci8 extension.
@@ -55,7 +53,8 @@ public function __construct(
             throw OCI8Exception::fromErrorInfo(oci_error());
         }
 
-        $this->dbh = $dbh;
+        $this->dbh           = $dbh;
+        $this->executionMode = new ExecutionMode();
     }
 
     /**
@@ -98,7 +97,7 @@ public function requiresQueryForServerVersion() : bool
      */
     public function prepare(string $sql) : DriverStatement
     {
-        return new OCI8Statement($this->dbh, $sql, $this);
+        return new OCI8Statement($this->dbh, $sql, $this->executionMode);
     }
 
     /**
@@ -151,20 +150,12 @@ public function lastInsertId(?string $name = null) : string
         return $result;
     }
 
-    /**
-     * Returns the current execution mode.
-     */
-    public function getExecuteMode() : int
-    {
-        return $this->executeMode;
-    }
-
     /**
      * {@inheritdoc}
      */
     public function beginTransaction() : void
     {
-        $this->executeMode = OCI_NO_AUTO_COMMIT;
+        $this->executionMode->disableAutoCommit();
     }
 
     /**
@@ -176,7 +167,7 @@ public function commit() : void
             throw OCI8Exception::fromErrorInfo(oci_error($this->dbh));
         }
 
-        $this->executeMode = OCI_COMMIT_ON_SUCCESS;
+        $this->executionMode->enableAutoCommit();
     }
 
     /**
@@ -188,6 +179,6 @@ public function rollBack() : void
             throw OCI8Exception::fromErrorInfo(oci_error($this->dbh));
         }
 
-        $this->executeMode = OCI_COMMIT_ON_SUCCESS;
+        $this->executionMode->enableAutoCommit();
     }
 }
diff --git a/lib/Doctrine/DBAL/Driver/OCI8/OCI8Statement.php b/lib/Doctrine/DBAL/Driver/OCI8/OCI8Statement.php
index 17e464d9c1e..a5b224457c9 100644
--- a/lib/Doctrine/DBAL/Driver/OCI8/OCI8Statement.php
+++ b/lib/Doctrine/DBAL/Driver/OCI8/OCI8Statement.php
@@ -15,9 +15,11 @@
 use const OCI_B_BIN;
 use const OCI_B_BLOB;
 use const OCI_BOTH;
+use const OCI_COMMIT_ON_SUCCESS;
 use const OCI_D_LOB;
 use const OCI_FETCHSTATEMENT_BY_COLUMN;
 use const OCI_FETCHSTATEMENT_BY_ROW;
+use const OCI_NO_AUTO_COMMIT;
 use const OCI_NUM;
 use const OCI_RETURN_LOBS;
 use const OCI_RETURN_NULLS;
@@ -57,8 +59,8 @@ class OCI8Statement implements IteratorAggregate, Statement
     /** @var resource */
     protected $_sth;
 
-    /** @var OCI8Connection */
-    protected $_conn;
+    /** @var ExecutionMode */
+    protected $executionMode;
 
     /** @var int[] */
     protected static $fetchModeMap = [
@@ -96,17 +98,17 @@ class OCI8Statement implements IteratorAggregate, Statement
      * @param resource $dbh   The connection handle.
      * @param string   $query The SQL query.
      */
-    public function __construct($dbh, string $query, OCI8Connection $conn)
+    public function __construct($dbh, string $query, ExecutionMode $executionMode)
     {
         [$query, $paramMap] = self::convertPositionalToNamedPlaceholders($query);
 
         $stmt = oci_parse($dbh, $query);
         assert(is_resource($stmt));
 
-        $this->_sth      = $stmt;
-        $this->_dbh      = $dbh;
-        $this->_paramMap = $paramMap;
-        $this->_conn     = $conn;
+        $this->_sth          = $stmt;
+        $this->_dbh          = $dbh;
+        $this->_paramMap     = $paramMap;
+        $this->executionMode = $executionMode;
     }
 
     /**
@@ -364,7 +366,13 @@ public function execute(?array $params = null) : void
             }
         }
 
-        $ret = @oci_execute($this->_sth, $this->_conn->getExecuteMode());
+        if ($this->executionMode->isAutoCommitEnabled()) {
+            $mode = OCI_COMMIT_ON_SUCCESS;
+        } else {
+            $mode = OCI_NO_AUTO_COMMIT;
+        }
+
+        $ret = @oci_execute($this->_sth, $mode);
         if (! $ret) {
             throw OCI8Exception::fromErrorInfo(oci_error($this->_sth));
         }
diff --git a/tests/Doctrine/Tests/DBAL/Driver/OCI8/ExecutionModeTest.php b/tests/Doctrine/Tests/DBAL/Driver/OCI8/ExecutionModeTest.php
new file mode 100644
index 00000000000..4f7ad26d00c
--- /dev/null
+++ b/tests/Doctrine/Tests/DBAL/Driver/OCI8/ExecutionModeTest.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\DBAL\Driver\OCI8;
+
+use Doctrine\DBAL\Driver\OCI8\ExecutionMode;
+use PHPStan\Testing\TestCase;
+
+final class ExecutionModeTest extends TestCase
+{
+    /** @var ExecutionMode */
+    private $mode;
+
+    protected function setUp() : void
+    {
+        $this->mode = new ExecutionMode();
+    }
+
+    public function testDefaultAutoCommitStatus() : void
+    {
+        self::assertTrue($this->mode->isAutoCommitEnabled());
+    }
+
+    public function testChangeAutoCommitStatus() : void
+    {
+        $this->mode->disableAutoCommit();
+        self::assertFalse($this->mode->isAutoCommitEnabled());
+
+        $this->mode->enableAutoCommit();
+        self::assertTrue($this->mode->isAutoCommitEnabled());
+    }
+}
diff --git a/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php b/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php
index 846122b40db..619e2b41962 100644
--- a/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php
+++ b/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php
@@ -10,7 +10,6 @@
 use Doctrine\Tests\DbalTestCase;
 use PHPUnit\Framework\MockObject\MockObject;
 use ReflectionProperty;
-use const OCI_NO_AUTO_COMMIT;
 use function extension_loaded;
 use function fopen;
 
@@ -55,17 +54,6 @@ public function testExecute(array $params) : void
                 );
         }
 
-        // can't pass to constructor since we don't have a real database handle,
-        // but execute must check the connection for the executeMode
-        $conn = $this->createMock(OCI8Connection::class);
-        $conn->expects($this->once())
-            ->method('getExecuteMode')
-            ->willReturn(OCI_NO_AUTO_COMMIT);
-
-        $connectionReflection = new ReflectionProperty($statement, '_conn');
-        $connectionReflection->setAccessible(true);
-        $connectionReflection->setValue($statement, $conn);
-
         $handleReflection = new ReflectionProperty($statement, '_sth');
         $handleReflection->setAccessible(true);
         $handleReflection->setValue($statement, fopen('php://temp', 'r'));