DDL, DML, Basic, Filter

dsolovianov/postgresql/DDL.sql

@@ -0,0 +1,32 @@
+CREATE TABLE dsolovianov.users (
+    id			INT GENERATED ALWAYS AS IDENTITY NOT NULL,
+    name		VARCHAR(100) NOT NULL,
+    age			INT,
+    email		VARCHAR(100),
+    country		VARCHAR(100),
+    is_active	BOOLEAN,
+    created_at	TIMESTAMPTZ NOT NULL
+);
+
+CREATE TABLE dsolovianov.products (
+	id			INT GENERATED ALWAYS AS IDENTITY NOT NULL,
+	name		VARCHAR(100) NOT NULL,
+	category	VARCHAR(50),
+	price		DECIMAL(10,2) NOT NULL,
+	in_stock	BOOLEAN
+	);
+
+CREATE TABLE dsolovianov.orders (
+    id			INT GENERATED ALWAYS AS IDENTITY NOT NULL,
+    user_id		INT,
+    order_date  TIMESTAMPTZ NOT NULL,
+    status		VARCHAR(20)
+);
+
+CREATE TABLE dsolovianov.order_items (
+    order_id           INT NOT NULL,
+    product_id         INT NOT NULL,
+    quantity           INT NOT NULL,
+    price_at_purchase  DECIMAL(10,2) NOT NULL,
+    CONSTRAINT order_items_pk PRIMARY KEY (order_id, product_id)
+);