diff --git a/MySQL/test.sql b/MySQL/test.sql
new file mode 100644
index 0000000..7c29071
--- /dev/null
+++ b/MySQL/test.sql
@@ -0,0 +1,8 @@
+CREATE TABLE `orders`
+(
+    `id`           INT UNSIGNED                                            NOT NULL,
+    `data`         JSON                                                    NOT NULL,
+    `order_number` VARCHAR(20) GENERATED ALWAYS AS (`data` ->> '$.number') NOT NULL,
+    PRIMARY KEY (`id`),
+    INDEX `orders_order_number_idx` (`order_number`)
+);