Update Sync

INFO-3169 Databases 2/labs/Lab 4/Lab 5 SQL Scripts.sql

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+DROP TABLE test_customers;
+
+CREATE TABLE test_customers (
+    CustomerID NUMBER(8),
+    CustName VARCHAR2(35) NOT NULL,
+    CustAge NUMBER(2),
+    CONSTRAINT pk_test_customers_CustomerID PRIMARY KEY(CustomerID),
+    CONSTRAINT uk_test_customers_CustName UNIQUE(CustName),
+    CONSTRAINT ck_test_customers_CustAge CHECK(CustAge>=16 AND CustAge<=70)
+);
+
+INSERT INTO test_customers VALUES(100, 'John Smith', null);
+INSERT INTO test_customers VALUES(350, 'Mark Smith', 20);
+
+SELECT * FROM test_customers;
+
+CREATE TABLE test_orders (
+    OrderID NUMBER(8),
+    CustomerID NUMBER(8),
+    OrderDate Date,
+    OrderAmount NUMBER(8,2),
+    CONSTRAINT pk_test_orders_OrderID PRIMARY KEY(OrderID),
+    CONSTRAINT fk_test_orders_test_customers FOREIGN KEY(CustomerID) REFERENCES test_customers(CustomerID)
+);
+
+INSERT INTO test_orders VALUES(1, 100, '2023-01-15', 125.3);
+INSERT INTO test_orders VALUES(2, 100, '2023-01-18', 300.3);
+
+SELECT * FROM test_orders;
+SELECT * FROM test_customers c JOIN test_orders o ON c.CustomerID = o.CustomerID;
+
+
+
+
+SELECT constraint_name, constraint_type, search_condition, table_name, 'Levi McLean' AS "Created By"
+FROM user_constraints
+WHERE table_name IN('CATEGORIES','EMPLOYEES','CUSTOMERS', 'ORDERS','ORDER_DETAILS','PRODUCTS','VENDORS','PRODUCT_VENDORS') 
+    AND constraint_name NOT LIKE 'SYS%'
+ORDER BY 1;
+
+
+
+SELECT 'Customers' AS "Levi McLean's Tables", COUNT(*) AS "Row Count" FROM CUSTOMERS
+UNION
+SELECT 'Employees', COUNT(*) FROM Employees UNION
+SELECT 'Orders', COUNT(*) FROM Orders UNION
+SELECT 'Orders Details', COUNT(*) FROM OrderDetails UNION
+SELECT 'Products', COUNT(*) FROM Products UNION
+SELECT 'Categories', COUNT(*) FROM Categories UNION
+SELECT 'Shippers', COUNT(*) FROM Shippers UNION
+SELECT 'Suppliers', COUNT(*) FROM Suppliers;