diff --git a/meta/i18n/fr/lean.debugging.json b/meta/i18n/fr/lean.debugging.json
new file mode 100644
index 0000000..168b549
--- /dev/null
+++ b/meta/i18n/fr/lean.debugging.json
@@ -0,0 +1,7 @@
+{
+    "title" : "Debugging -- LEAN",
+    "page-title": "Déboguage",
+    "breadcrumb" : {
+        "index" : "Negundo"
+    }
+}
diff --git a/meta/i18n/fr/lean.nav.json b/meta/i18n/fr/lean.nav.json
index 36650ef..860bae2 100644
--- a/meta/i18n/fr/lean.nav.json
+++ b/meta/i18n/fr/lean.nav.json
@@ -20,6 +20,11 @@
       "label": "Caching"
     },
 
+    "debugging": {
+      "label": "Déboguage",
+      "logs": "Logs"
+    },
+
     "request": {
       "label": "Request",
       "routes": "Routes"
diff --git a/src/Controller/Caching.php b/src/Controller/Caching.php
index 097ad31..51b37a2 100644
--- a/src/Controller/Caching.php
+++ b/src/Controller/Caching.php
@@ -8,7 +8,6 @@ use Psr\Http\Message\{ ResponseInterface, ServerRequestInterface };
 use Lean\Console\{ Form, Lib };
 use Notes\Tell\Attribute\Language, Notes\Route\Attribute\Method\Route;
 
-#[Language("lean.caching")]
 class Caching extends Console {
     use Lib\ConsoleControllerTrait;
 
diff --git a/src/Controller/Console.php b/src/Controller/Console.php
index 21aeb18..1e4b8b4 100644
--- a/src/Controller/Console.php
+++ b/src/Controller/Console.php
@@ -9,7 +9,6 @@ use Notes\Tell\Attribute\Language, Notes\Route\Attribute\Method\Route;
 
 use \Lean\Console\{ Lib, Form };
 
-#[Language("lean.console")]
 class Console {
     use Lib\ConsoleControllerTrait;
 
diff --git a/src/Controller/Debugging.php b/src/Controller/Debugging.php
new file mode 100644
index 0000000..6d2799e
--- /dev/null
+++ b/src/Controller/Debugging.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace Lean\Console\Controller;
+
+use League\Route\Router;
+use Picea\{FileFetcher, Picea, Caching\Opcache, Extension\UrlExtension, Ui\Method\FormHandler};
+use Lean\File;
+use Psr\Http\Message\{ ResponseInterface, ServerRequestInterface };
+use Lean\Console\{ Form, Lib };
+use Notes\Tell\Attribute\Language, Notes\Route\Attribute\Method\Route;
+
+class Debugging extends Console {
+    use Lib\ConsoleControllerTrait;
+
+    #[Route(route: "/debugging/logs", name: "lean.console:debugging-logs")]
+    public function logs(ServerRequestInterface $request, array $arguments) : ResponseInterface
+    {
+        $list = [];
+
+        new FormHandler($request, new Form\Debugging\Logs(), $this->pushContext(new Lib\FormContext($request, "debugging.logs")));
+
+        $path = getenv('LOGS_PATH');
+
+        $files = array_map(fn($e) => basename($e), glob("$path/*"));
+
+        $default = basename(ini_get('error_log'));
+
+        $open = end($files);
+
+        $content = File::tail($path . DIRECTORY_SEPARATOR . $open, 100);
+
+        return $this->renderView("lean-console/page/debugging/logs", get_defined_vars());
+    }
+}
\ No newline at end of file
diff --git a/src/Controller/Dev.php b/src/Controller/Dev.php
index 4f50188..c147102 100644
--- a/src/Controller/Dev.php
+++ b/src/Controller/Dev.php
@@ -8,7 +8,6 @@ use Notes\Tell\Attribute\Language, Notes\Route\Attribute\Method\Route;
 
 use \Lean\Console\Lib;
 
-#[Language("lean.dev")]
 class Dev {
     use Lib\ConsoleControllerTrait;
 
diff --git a/src/Controller/Request.php b/src/Controller/Request.php
index 407b485..46e8d73 100644
--- a/src/Controller/Request.php
+++ b/src/Controller/Request.php
@@ -11,7 +11,6 @@ use \Lean\Console\Lib;
 
 use Picea\Extension\UrlExtension;
 
-#[Language("lean.request")]
 class Request extends Console {
     use Lib\ConsoleControllerTrait;
 
diff --git a/src/Controller/Storage.php b/src/Controller/Storage.php
index 4d1c92f..ceaa14f 100644
--- a/src/Controller/Storage.php
+++ b/src/Controller/Storage.php
@@ -17,8 +17,6 @@ use Picea\Extension\UrlExtension;
 use Ulmus\Annotation\Classes\Table,
     Ulmus\Container\AdapterProxy;
 
-
-#[Language("lean.storage")]
 class Storage extends Console {
     use Lib\ConsoleControllerTrait;
 
diff --git a/src/Controller/Templating.php b/src/Controller/Templating.php
index 750868c..37ea023 100644
--- a/src/Controller/Templating.php
+++ b/src/Controller/Templating.php
@@ -13,7 +13,6 @@ use \Lean\Console\Lib;
 
 use Picea\Extension\UrlExtension;
 
-#[Language("lean.templating")] # migrated from: "lean.templating"
 class Templating extends Console {
     use Lib\ConsoleControllerTrait;
 
diff --git a/src/Form/Debugging/Logs.php b/src/Form/Debugging/Logs.php
new file mode 100644
index 0000000..affb955
--- /dev/null
+++ b/src/Form/Debugging/Logs.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace Lean\Console\Form\Debugging;
+
+use Picea\Ui\Method\{ FormInterface, FormContext, FormContextInterface };
+
+use \Lean\Console\Lib;
+
+use Picea\{Caching\Opcache, Compiler\Context };
+use Psr\Http\Message\ServerRequestInterface;
+use Ulmus\Common\EntityResolver;
+use \Ulmus\Entity\InformationSchema\Table;
+
+use RecursiveIteratorIterator, RecursiveDirectoryIterator;
+
+class Logs implements FormInterface
+{
+    public function __construct()
+    {
+    }
+
+    public function initialize(FormContextInterface $context) : void
+    {
+    }
+
+    public function validate(FormContextInterface $context) : bool
+    {
+        return $context->valid();
+    }
+
+    public function execute(FormContextInterface $context) : void
+    {
+    }
+}
diff --git a/src/Form/Storage/DatabaseMigration.php b/src/Form/Storage/DatabaseMigration.php
index 255c84e..7a128a0 100644
--- a/src/Form/Storage/DatabaseMigration.php
+++ b/src/Form/Storage/DatabaseMigration.php
@@ -71,11 +71,20 @@ class DatabaseMigration implements FormInterface
                 $alter = $this->definition[$entity]['columns']->filterAlter();
 
                 if ( $alter->count() ) {
-                    $tableDefinition->modifier =  new Lib\Database\Modifier(
+                    if ( $adapter->splitAlterQuery() ) {
+                        $query = $alter->map(fn(Lib\Database\Definition $map) => $entity::repository()
+                            ->alterSqlQuery([$map->toArray()])
+                            ->getSqlQuery(true));
+                    }
+                    else {
+                        $query = $entity::repository()
+                            ->alterSqlQuery($alter->map(fn(Lib\Database\Definition $map) => $map->toArray()))
+                            ->getSqlQuery(true);
+                    }
+
+                    $tableDefinition->modifier = new Lib\Database\Modifier(
                         type: Lib\Database\ModifierTypeEnum::Alter,
-                        query: $entity::repository()
-                            ->alterSqlQuery($alter->map(fn(Lib\Database\Definition $e) => $e->toArray()))
-                            ->getSqlQuery(true),
+                        query: $query,
                     );
                 }
             }
@@ -110,10 +119,19 @@ class DatabaseMigration implements FormInterface
         $alter = $context->alterAll ? explode(',', $context->alterAll) : [ $context->alter ];
 
         foreach(array_filter($alter) as $entity) {
-
-
             if ($this->definition[$entity]['table']->modifier->type === Lib\Database\ModifierTypeEnum::Alter) {
-                $entity::repository()->alterTable($this->definition[$entity]['columns']->filterAlter  ()->map( fn($e) => $e->toArray() ));
+                $adapter = $entity::resolveEntity()->sqlAdapter()->adapter();
+
+                $def = $this->definition[$entity]['columns']->filterAlter();
+
+                if ( $adapter->splitAlterQuery() ) {
+                    $def->walk(fn(Lib\Database\Definition $definition) =>
+                        $entity::repository()->alterTable([ $definition->toArray() ])
+                    );
+                }
+                else {
+                    $entity::repository()->alterTable($def->map( fn(Lib\Database\Definition $e) => $e->toArray() ));
+                }
             }
         }
 
diff --git a/src/Lib/Database/Definition.php b/src/Lib/Database/Definition.php
index 6622fa2..b665463 100644
--- a/src/Lib/Database/Definition.php
+++ b/src/Lib/Database/Definition.php
@@ -5,12 +5,12 @@ namespace Lean\Console\Lib\Database;
 class Definition
 {
     public function __construct(
-        public string          $entity,
-        public string|null     $field = null,
-        public array|null      $definition = null,
-        public null|Modifier   $modifier = null,
-        public null|Definition $previous = null,
-        public null|string     $action = null,
+        public string               $entity,
+        public string|null          $field = null,
+        public array|null           $definition = null,
+        public null|Modifier|array  $modifier = null,
+        public null|Definition      $previous = null,
+        public null|string          $action = null,
     ) {}
 
     public function toArray() : array
diff --git a/view/lean-console/base/console/main-nav.phtml b/view/lean-console/base/console/main-nav.phtml
index a9bb6df..3956629 100644
--- a/view/lean-console/base/console/main-nav.phtml
+++ b/view/lean-console/base/console/main-nav.phtml
@@ -26,4 +26,10 @@
     <ul>
         <li><a href="{% route 'lean.console:caching' %}">{% lang "lean.nav.templating.picea" %}</a></li>
     </ul>
+
+    <label>{% lang "lean.nav.debugging.label" %}</label>
+    <ul>
+        <li><a href="{% route 'lean.console:debugging-logs' %}">{% lang "lean.nav.debugging.logs" %}</a></li>
+    </ul>
+
 </nav>
\ No newline at end of file
diff --git a/view/lean-console/page/caching/picea.phtml b/view/lean-console/page/caching/picea.phtml
index dce5364..5bf7325 100644
--- a/view/lean-console/page/caching/picea.phtml
+++ b/view/lean-console/page/caching/picea.phtml
@@ -13,16 +13,24 @@
         <section>
             <header>
                 <h1>{{ $path }}</h1>
-                {% ui.form.post "caching.picea" %}
+                {% ui:form.post "caching.picea" %}
                 <button class="btn-red" type="submit">{% _ 'clear' %}</button>
-                {% ui.endform %}
+                {% ui:endform %}
             </header>
 
             <article class="picea">
                 {% foreach $folder as $file %}
+                    {% php $import = include($file) %}
+
                     <div class="grid">
                         <strong class="col route-name">{{ substr($file, strlen($path)) }}</strong>
-                        <div>
+
+                        <div class="col">
+                            {{ $import['namespace'] }}
+                        </div>
+
+                        <div class="col">
+                            {{ $import['view'] }}
                         </div>
                     </div>
                 {% endforeach %}
diff --git a/view/lean-console/page/debugging/logs.phtml b/view/lean-console/page/debugging/logs.phtml
new file mode 100644
index 0000000..22e0850
--- /dev/null
+++ b/view/lean-console/page/debugging/logs.phtml
@@ -0,0 +1,36 @@
+{% extends "lean-console/base/layout" %}
+
+{% language.set "lean.caching" %}
+
+{% title _("title") %}
+
+{% section "header" %}
+    <div class="page-title">{% _ "page-title" %}</div>
+{% endsection %}
+
+{% section "content" %}
+        <section>
+            <header>
+                <h1>{{ $path }}</h1>
+
+                {% ui:form.get current_url() %}
+                    {% ui:select 'logfile', array_combine($files, $files), get('file') ?? $open %}
+                {% ui:endform %}
+            </header>
+
+            <article class="logs">
+                <div class="log-item">
+                    {% foreach array_reverse($content) as $line %}
+                        <div class="line">{{ $line }}</div>
+                    {% endforeach %}
+                </div>
+            </article>
+        </section>
+    <style>
+        section > header {display:flex;justify-content: space-between}
+        .log-item {max-height: 60vh; overflow-y:auto}
+        .log-item .line {padding:0.5rem}
+        .log-item .line {background: #efefef}
+        .log-item .line:nth-child(even) {background: #ccc}
+    </style>
+{% endsection %}
\ No newline at end of file
diff --git a/view/lean-console/page/storage/database.phtml b/view/lean-console/page/storage/database.phtml
index ae78cf1..fa10131 100644
--- a/view/lean-console/page/storage/database.phtml
+++ b/view/lean-console/page/storage/database.phtml
@@ -40,14 +40,14 @@
                             <div class="col text-right">{% _ 'database.table.actions' %}</div>
                         </strong>
 
-                        {% ui.form.post "database" %}
+                        {% ui:form.post "database" %}
                             {% foreach array_filter($migrations->entities, fn($e) => $e->databaseAdapter() === $connection) as $entity => $item %}
                                 <div class="grid table-item align-items-center">
                                     <div class="col"><span>📄</span> <span>{{ $item->tableName() }}</span></div>
                                     <div class="col">{% _ "database.table.fields", [ 'count' => count( $item->fieldList() ) ] %}</div>
                                     <div class="col col-grow-2">
                                         {% if $context->definition[$entity]['table']->modifier->query %}
-                                            <code>{{ $context->definition[$entity]['table']->modifier->query }}</code>
+                                            <code>{{= implode('<br><br>',(array) $context->definition[$entity]['table']->modifier->query) }}</code>
                                         {% else %}
                                             <div>🗸 This table is up-to-date</div>
                                         {% endif %}
@@ -86,7 +86,7 @@
                                     <button name="alterAll" value="{{ implode(',', $alterAll) }}" class="btn-red">🗸 {% _ 'database.table.alterAll' %}</button>
                                 </div>
                             {% endif %}
-                        {% ui.endform %}
+                        {% ui:endform %}
                     </div>
                 </article>
             </section>
diff --git a/view/lean-console/page/storage/database_import.phtml b/view/lean-console/page/storage/database_import.phtml
index 34a1dd7..d973927 100644
--- a/view/lean-console/page/storage/database_import.phtml
+++ b/view/lean-console/page/storage/database_import.phtml
@@ -10,7 +10,7 @@
 
 {% section "content" %}
     {% if $connections %}
-        {% ui.form.post "database.import" %}
+        {% ui:form.post "database.import" %}
             <section>
                 <header>Import data from a connection into another</header>
 
@@ -19,15 +19,15 @@
                         {% php $select = array_combine(array_column($connections, 'name'), array_column($connections, 'name')) %}
 
                         <div class="db-grid">
-                            Source connection: {% ui.select "source", $select %}
+                            Source connection: {% ui:select "source", $select %}
                         </div>
 
                         <div class="db-grid">
-                            Destination connection: {% ui.select "destination", $select %}
+                            Destination connection: {% ui:select "destination", $select %}
                         </div>
                     {% else %}
-                        {% ui.hidden 'source', $context->source %}
-                        {% ui.hidden 'destination', $context->destination %}
+                        {% ui:hidden 'source', $context->source %}
+                        {% ui:hidden 'destination', $context->destination %}
 
                         <div class="db-grid">
                             COPY DATA FROM → TO:
@@ -35,7 +35,7 @@
 
                             {% foreach $dest as $key => $value %}
                                 <div class="db-grid">
-                                    <span>{% ui.select "copy[$key]", [ null => '' ] + $context->sourceTables->buildArray('entityClass', 'entityClass') %}</span>
+                                    <span>{% ui:select "copy[$key]", [ null => '' ] + $context->sourceTables->buildArray('entityClass', 'entityClass') %}</span>
                                     <span>→</span>
                                     <span>{{ sprintf('%s (%s)', $key, $value->tableName()) }}</span>
                                 </div>
@@ -49,7 +49,7 @@
                     <a href="{% route 'lean.console:storage.database' %}" class="btn-red">Cancel</a>
                 </footer>
             </section>
-        {% ui.endform %}
+        {% ui:endform %}
     {% else %}
         No connection found
     {% endif %}