diff --git a/CHANGELOG.md b/CHANGELOG.md
index a99cb15e..a62bc393 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,8 @@
 - New #320: Realize `ColumnBuilder` class (@Tigrov)
 - Enh #321: Update according changes in `ColumnSchemaInterface` (@Tigrov)
 - New #322: Add `ColumnDefinitionBuilder` class (@Tigrov)
+- Enh #323: Refactor `Dsn` class (@Tigrov)
+- Enh #324: Use constructor to create columns and initialize properties (@Tigrov)
 
 ## 1.2.0 March 21, 2024
 
diff --git a/src/Column/ColumnBuilder.php b/src/Column/ColumnBuilder.php
index 945c43f9..ace70ca9 100644
--- a/src/Column/ColumnBuilder.php
+++ b/src/Column/ColumnBuilder.php
@@ -11,7 +11,6 @@ final class ColumnBuilder extends \Yiisoft\Db\Schema\Column\ColumnBuilder
 {
     public static function binary(int|null $size = null): ColumnSchemaInterface
     {
-        return (new BinaryColumnSchema(ColumnType::BINARY))
-            ->size($size);
+        return new BinaryColumnSchema(ColumnType::BINARY, size: $size);
     }
 }
diff --git a/src/Column/ColumnFactory.php b/src/Column/ColumnFactory.php
index a09b02a9..4e3b5a65 100644
--- a/src/Column/ColumnFactory.php
+++ b/src/Column/ColumnFactory.php
@@ -9,6 +9,7 @@
 use Yiisoft\Db\Expression\Expression;
 use Yiisoft\Db\Schema\Column\AbstractColumnFactory;
 use Yiisoft\Db\Schema\Column\ColumnSchemaInterface;
+use Yiisoft\Db\Schema\Column\StringColumnSchema;
 
 final class ColumnFactory extends AbstractColumnFactory
 {
@@ -76,9 +77,12 @@ protected function getType(string $dbType, array $info = []): string
     public function fromPseudoType(string $pseudoType, array $info = []): ColumnSchemaInterface
     {
         if ($pseudoType === PseudoType::UUID_PK_SEQ) {
-            return ColumnBuilder::uuidPrimaryKey()
-                ->defaultValue(new Expression('newsequentialid()'))
-                ->load($info);
+            unset($info['type']);
+            $info['primaryKey'] = true;
+            $info['autoIncrement'] = true;
+            $info['defaultValue'] = new Expression('newsequentialid()');
+
+            return new StringColumnSchema(ColumnType::UUID, ...$info);
         }
 
         return parent::fromPseudoType($pseudoType, $info);
@@ -87,7 +91,8 @@ public function fromPseudoType(string $pseudoType, array $info = []): ColumnSche
     public function fromType(string $type, array $info = []): ColumnSchemaInterface
     {
         if ($type === ColumnType::BINARY) {
-            return (new BinaryColumnSchema($type))->load($info);
+            unset($info['type']);
+            return new BinaryColumnSchema($type, ...$info);
         }
 
         return parent::fromType($type, $info);
diff --git a/src/Dsn.php b/src/Dsn.php
index 5050bc75..0330b872 100644
--- a/src/Dsn.php
+++ b/src/Dsn.php
@@ -18,7 +18,7 @@ final class Dsn extends AbstractDsn
      */
     public function __construct(
         string $driver = 'sqlsrv',
-        string $host = 'localhost',
+        string $host = '127.0.0.1',
         string|null $databaseName = null,
         string|null $port = '1433',
         array $options = []
diff --git a/tests/CommandTest.php b/tests/CommandTest.php
index 560521e4..e3e50bfe 100644
--- a/tests/CommandTest.php
+++ b/tests/CommandTest.php
@@ -321,7 +321,7 @@ public function testShowDatabases(): void
 
         $command = $db->createCommand();
 
-        $this->assertSame('sqlsrv:Server=localhost,1433;Encrypt=no', $db->getDriver()->getDsn());
+        $this->assertSame('sqlsrv:Server=127.0.0.1,1433;Encrypt=no', $db->getDriver()->getDsn());
         $this->assertSame(['yiitest'], $command->showDatabases());
     }