diff --git a/tests/Utils/IO/Excel/ExcelDatabaseMapperTest.php b/tests/Utils/IO/Excel/ExcelDatabaseMapperTest.php
index a57ae8b24..0626eb1ab 100644
--- a/tests/Utils/IO/Excel/ExcelDatabaseMapperTest.php
+++ b/tests/Utils/IO/Excel/ExcelDatabaseMapperTest.php
@@ -14,13 +14,505 @@ declare(strict_types=1);
 
 namespace phpOMS\tests\Utils\IO\Excel;
 
+use phpOMS\DataStorage\Database\Connection\SQLiteConnection;
+use phpOMS\DataStorage\Database\Query\Builder;
+use phpOMS\Utils\IO\Excel\ExcelDatabaseMapper;
+use tests\Autoloader;
+use phpOMS\Utils\StringUtils;
+
 /**
  * @internal
  */
 class ExcelDatabaseMapperTest extends \PHPUnit\Framework\TestCase
 {
-    public function testPlaceholder() : void
+    protected $sqlite;
+
+    protected function setUp() : void
     {
-        self::markTestIncomplete();
+        if (!\extension_loaded('pdo_sqlite')) {
+            $this->markTestSkipped(
+              'The SQLite extension is not available.'
+            );
+
+            return;
+        }
+
+        if (\file_exists(__DIR__ . '/spreadsheet.db')) {
+            \unlink(__DIR__ . '/spreadsheet.db');
+        }
+
+        \copy(__DIR__ . '/backup.db', __DIR__ . '/spreadsheet.db');
+
+        $this->sqlite = new SQLiteConnection(['db' => 'sqlite', 'database' => __DIR__ . '/spreadsheet.db']);
+    }
+
+    protected function tearDown(): void
+    {
+        if (\file_exists(__DIR__ . '/spreadsheet.db')) {
+            \unlink(__DIR__ . '/spreadsheet.db');
+        }
+    }
+
+    public function testInsertOds() : void
+    {
+        Autoloader::addPath(__DIR__ . '/../../../../../Resources/');
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/insert.ods');
+        $mapper->insert();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+    }
+
+    public function testInsertXls() : void
+    {
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/insert.xls');
+        $mapper->insert();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+    }
+
+    public function testInsertXlsx() : void
+    {
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/insert.xlsx');
+        $mapper->insert();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+    }
+
+    public function testUpdateOds() : void
+    {
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/insert.ods');
+        $mapper->insert();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/update.ods');
+        $mapper->update();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '9.1', 'bool' => '1', 'varchar' => 'Line 2 updated', 'datetime' => '43831'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '9.123', 'bool' => '0', 'varchar' => 'Line 4 updated', 'datetime' => '43831'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '9.1', 'bool' => '1', 'varchar' => 'Line 2 updated', 'datetime' => '43831'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '9.123', 'bool' => '0', 'varchar' => 'Line 4 updated', 'datetime' => '43831'],
+            ],
+            $data
+        );
+    }
+
+    public function testUpdateXls() : void
+    {
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/insert.xls');
+        $mapper->insert();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/update.xls');
+        $mapper->update();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '9.1', 'bool' => '1', 'varchar' => 'Line 2 updated', 'datetime' => '43831'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '9.123', 'bool' => '0', 'varchar' => 'Line 4 updated', 'datetime' => '43831'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '9.1', 'bool' => '1', 'varchar' => 'Line 2 updated', 'datetime' => '43831'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '9.123', 'bool' => '0', 'varchar' => 'Line 4 updated', 'datetime' => '43831'],
+            ],
+            $data
+        );
+    }
+
+    public function testUpdateXlsx() : void
+    {
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/insert.xlsx');
+        $mapper->insert();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/update.xlsx');
+        $mapper->update();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '9.1', 'bool' => '1', 'varchar' => 'Line 2 updated', 'datetime' => '43831'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '9.123', 'bool' => '0', 'varchar' => 'Line 4 updated', 'datetime' => '43831'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '9.1', 'bool' => '1', 'varchar' => 'Line 2 updated', 'datetime' => '43831'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '9.123', 'bool' => '0', 'varchar' => 'Line 4 updated', 'datetime' => '43831'],
+            ],
+            $data
+        );
+    }
+
+    public function testSelectOds() : void
+    {
+        if (\file_exists(__DIR__ . '/select.ods')) {
+            \unlink(__DIR__ . '/select.ods');
+        }
+
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/insert.ods');
+        $mapper->insert();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/select.ods');
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('int', 'decimal', 'bool', 'varchar', 'datetime')->from('insert_1');
+
+        $mapper->select([$builder]);
+
+        self::assertTrue($this->compareSelectInsertSheet(__DIR__ . '/select.ods', __DIR__ . '/insert.ods'));
+
+        if (\file_exists(__DIR__ . '/select.ods')) {
+            \unlink(__DIR__ . '/select.ods');
+        }
+    }
+
+    public function testSelectXls() : void
+    {
+        if (\file_exists(__DIR__ . '/select.xls')) {
+            \unlink(__DIR__ . '/select.xls');
+        }
+
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/insert.xls');
+        $mapper->insert();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/select.xls');
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('int', 'decimal', 'bool', 'varchar', 'datetime')->from('insert_1');
+
+        $mapper->select([$builder]);
+
+        self::assertTrue($this->compareSelectInsertSheet(__DIR__ . '/select.xls', __DIR__ . '/insert.xls'));
+
+        if (\file_exists(__DIR__ . '/select.xls')) {
+            \unlink(__DIR__ . '/select.xls');
+        }
+    }
+
+    public function testSelectXlsx() : void
+    {
+        if (\file_exists(__DIR__ . '/select.xlsx')) {
+            \unlink(__DIR__ . '/select.xlsx');
+        }
+
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/insert.xlsx');
+        $mapper->insert();
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_1.*')->from('insert_1')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('insert_2.*')->from('insert_2')->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        self::assertEquals(
+            [
+                ['id' => '1', 'int' => '2', 'decimal' => '2.0', 'bool' => '1', 'varchar' => 'Line 1', 'datetime' => '43631'],
+                ['id' => '2', 'int' => '4', 'decimal' => '2.1', 'bool' => '0', 'varchar' => 'Line 2', 'datetime' => '42170'],
+                ['id' => '3', 'int' => '6', 'decimal' => '2.12', 'bool' => '1', 'varchar' => 'Line 3', 'datetime' => '40426'],
+                ['id' => '4', 'int' => '8', 'decimal' => '2.123', 'bool' => '0', 'varchar' => 'Line 4', 'datetime' => '40428'],
+            ],
+            $data
+        );
+
+        $mapper = new ExcelDatabaseMapper($this->sqlite, __DIR__ . '/select.xlsx');
+
+        $builder = new Builder($this->sqlite, true);
+        $data = $builder->select('int', 'decimal', 'bool', 'varchar', 'datetime')->from('insert_1');
+
+        $mapper->select([$builder]);
+
+        self::assertTrue($this->compareSelectInsertSheet(__DIR__ . '/select.xlsx', __DIR__ . '/insert.xlsx'));
+
+        if (\file_exists(__DIR__ . '/select.xlsx')) {
+            \unlink(__DIR__ . '/select.xlsx');
+        }
+    }
+
+    private function compareSelectInsertSheet(string $pathSelect, string $pathInsert) : bool
+    {
+        $reader1 = null;
+        if (StringUtils::endsWith($pathSelect, '.xlsx')) {
+            $reader1 = new \PhpOffice\PhpSpreadsheet\Reader\Xlsx();
+        } elseif (StringUtils::endsWith($pathSelect, '.ods')) {
+            $reader1 = new \PhpOffice\PhpSpreadsheet\Reader\Ods();
+        } else {
+            $reader1 = new \PhpOffice\PhpSpreadsheet\Reader\Xls();
+        }
+
+        $reader2 = null;
+        if (StringUtils::endsWith($pathInsert, '.xlsx')) {
+            $reader2 = new \PhpOffice\PhpSpreadsheet\Reader\Xlsx();
+        } elseif (StringUtils::endsWith($pathInsert, '.ods')) {
+            $reader2 = new \PhpOffice\PhpSpreadsheet\Reader\Ods();
+        } else {
+            $reader2 = new \PhpOffice\PhpSpreadsheet\Reader\Xls();
+        }
+
+        $reader1->setReadDataOnly(true);
+        $reader2->setReadDataOnly(true);
+
+        $sheet1 = $reader1->load($pathSelect);
+        $sheet2 = $reader2->load($pathInsert);
+
+        $tables = $sheet1->getSheetCount();
+        for ($i = 0; $i < $tables; ++$i) {
+            $sheet1->setActiveSheetIndex($i);
+            $sheet2->setActiveSheetIndex($i);
+
+            $workSheet1 = $sheet1->getSheet($i);
+            $workSheet2 = $sheet2->getSheet($i);
+
+            $titles = [];
+
+            // get column titles
+            $column = 1;
+            while (!empty($value = $workSheet1->getCellByColumnAndRow($column, 1)->getCalculatedValue())) {
+                $titles[] = $value;
+                ++$column;
+            }
+
+            $columns = \count($titles);
+
+            $line = 1;
+            while (!empty($row = $workSheet1->getCellByColumnAndRow(1, $line)->getCalculatedValue())) {
+                for ($j = 1; $j <= $columns; ++$j) {
+                    if (($v1 = $workSheet1->getCellByColumnAndRow($j, $line)->getCalculatedValue()) != ($v2 = $workSheet2->getCellByColumnAndRow($j, $line)->getCalculatedValue())) {
+                        return false;
+                    }
+                }
+
+                ++$line;
+            }
+        }
+
+        return true;
     }
 }
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diff --git a/tests/Utils/IO/Excel/update.ods b/tests/Utils/IO/Excel/update.ods
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