diff --git a/aharlamcev/postgresql/sqlhomework.sql b/aharlamcev/postgresql/sqlhomework.sql
new file mode 100644
index 0000000..4fb1078
--- /dev/null
+++ b/aharlamcev/postgresql/sqlhomework.sql
@@ -0,0 +1,23 @@
+create table products_extended (
+id INT primary key,
+name VARCHAR(100) not null,
+category VARCHAR(50),
+price DECIMAL(10, 2),
+in_stock BOOLEAN default true,
+email_support VARCHAR(50)
+);
+
+insert into products_extended (id, name, category, price, in_stock, email_support)
+values (1, 'Mi Band 7', 'smartwatch', 49, true, 'miband@xiaomi.com');
+
+insert into products_extended (id, name, category, price, in_stock, email_support)
+values (2, 'Surface Pro', 'tablet', 1299, true, 'surface@microsoft.com');
+
+select * from products_extended -- проверил как выглядит таблица
+
+alter table products_extended
+add column rating DECIMAL(5, 2);
+
+truncate table products_extended;
+
+drop table products_extended