add DDL DML

2026-05-20 21:58:16 +05:00
parent c3a7c2e233
commit 5e62bf4aad
3 changed files with 74 additions and 1 deletions
@@ -0,0 +1,32 @@
+CREATE TABLE users (
+  id INT PRIMARY KEY NOT NULL,
+  name VARCHAR(100) NOT NULL,
+  age INT,
+  email VARCHAR(100),
+  country VARCHAR(2),
+  is_active BOOLEAN DEFAULT true,
+  created_at TIMESTAMPTZ NOT NULL
+);
+
+CREATE TABLE products (
+  id INT PRIMARY KEY NOT NULL,
+  name VARCHAR(100) NOT NULL,
+  category VARCHAR(50),
+  price DECIMAL(10,2) NOT NULL,
+  in_stock BOOLEAN
+);
+
+CREATE TABLE orders (
+  id INT PRIMARY KEY NOT NULL,
+  user_id INT,
+  order_date TIMESTAMPTZ NOT NULL,
+  status VARCHAR(20) 
+);
+
+CREATE TABLE order_items (
+  order_id INT NOT NULL,
+  product_id INT NOT NULL,
+  quantity INT NOT NULL,
+  price_at_purchase DECIMAL(10,2) NOT NULL,
+  PRIMARY_KEY (order_id, product_id)
+);