diff --git a/删除.sql b/删除.sql
new file mode 100644
index 0000000..9763862
--- /dev/null
+++ b/删除.sql
@@ -0,0 +1,36 @@
+
+-- 删除ID为30的客户记录
+DELETE FROM customers WHERE T_id = 30;
+
+-- 删除所有电话号码以12开头的客户记录
+DELETE FROM customers WHERE T_phone LIKE '12%';
+-- 删除ID为001的菜单项记录
+DELETE FROM menu_items WHERE M_id = '001';
+
+-- 删除所有价格大于50的菜单项记录
+DELETE FROM menu_items WHERE M_price > 50;
+-- 删除ID为001的折扣规则记录
+DELETE FROM discount_rules WHERE M_id = '001';
+
+-- 删除所有折扣小于0.8的折扣规则记录
+DELETE FROM discount_rules WHERE discount < 0.8;
+-- 删除ID为TABLE06的餐桌记录
+DELETE FROM tables WHERE Cz_id = 'TABLE06';
+
+-- 删除所有状态为空闲的餐桌记录
+DELETE FROM tables WHERE Cz_zt = '空闲';
+-- 删除ID为01的员工记录
+DELETE FROM workers WHERE W_id = '01';
+
+-- 删除所有状态为0的员工记录
+DELETE FROM workers WHERE W_stat = 0;
+-- 删除ID为27的订单记录
+DELETE FROM orders WHERE O_id = 27;
+
+-- 删除所有时间在2024-12-27之前的订单记录
+DELETE FROM orders WHERE time < '2024-12-27 00:00:00';
+-- 删除ID为20的账单记录
+DELETE FROM bills WHERE B_id = 20;
+
+-- 删除所有金额大于50的账单记录
+DELETE FROM bills WHERE S_price > 50;