Création de la bdd

etc/db_schema.xml

 <?xml version="1.0"?>
-<schema xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:noNamespaceSchemaLocation="urn:magento:framework:Setup/Declaration/Schema/etc/schema.xsd">
-    <table name="sales_order" resource="sales" comment="Sales Flat Order">
-        <column xsi:type="smallint" name="nb_sales_exported_data" padding="5" unsigned="false" nullable="true" identity="false"
-                comment="Exported Data"/>
-    </table>
-    <table name="sales_invoice" resource="sales" comment="Sales Flat Invoice">
-        <column xsi:type="smallint" name="nb_sales_exported_data" padding="5" unsigned="false" nullable="true" identity="false"
-                comment="Exported Data"/>
-    </table>
-    <table name="sales_shipment" resource="sales" comment="Sales Flat Shipment">
-        <column xsi:type="smallint" name="nb_sales_exported_data" padding="5" unsigned="false" nullable="true" identity="false"
-                comment="Exported Data"/>
-    </table>
-    <table name="sales_creditmemo" resource="sales" comment="Sales Flat Creditmemo">
-        <column xsi:type="smallint" name="nb_sales_exported_data" padding="5" unsigned="false" nullable="true" identity="false"
-                comment="Exported Data"/>
+<schema xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Setup/Declaration/Schema/etc/schema.xsd">
+    <table name="nicolasbejean_sales_orderexporter" resource="default" engine="innodb" comment="Sales Order Export Table">
+        <column xsi:type="smallint" name="entity_id" padding="6" unsigned="false" nullable="false" identity="true" comment="Sales Order Export Entity ID"/>
+        <column xsi:type="smallint" name="order_id" padding="6" unsigned="false" nullable="false" identity="false" comment="Sales Order Export Order ID"/>
+        <column xsi:type="smallint" name="is_exported" padding="6" unsigned="false" nullable="false" identity="false" comment="Sales Order Export Is Exporter"/>
+        <column xsi:type="timestamp" name="created_at" on_update="false" nullable="false" default="CURRENT_TIMESTAMP" comment="Sales Order Export Created At"/>
+        <column xsi:type="timestamp" name="updated_at" on_update="true" nullable="false" default="CURRENT_TIMESTAMP" comment="Sales Order Export Updated At"/>
+        <constraint xsi:type="primary" referenceId="PRIMARY">
+            <column name="entity_id"/>
+        </constraint>
     </table>
 </schema>

etc/db_schema_whitelist.json

+{
+    "nicolasbejean_sales_orderexporter": {
+        "column": {
+            "entity_id": true,
+            "order_id": true,
+            "is_exported": true,
+            "created_at": true,
+            "updated_at": true
+        },
+        "constraint": {
+            "PRIMARY": true
+        }
+    }
+}
\ No newline at end of file