Update Sync
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-- (1) Categories ---
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-- DROP TABLE Categories CASCADE CONSTRAINTS; -- uncomment after 1st run
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CREATE TABLE categories (
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categoryId NUMBER(8,0),
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categoryName VARCHAR2(15) NOT NULL,
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categoryCode NUMBER(6,0),
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description VARCHAR2(300),
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CONSTRAINT Categories_CategoryID_pk PRIMARY KEY (CategoryId),
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);
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-- (2) Customers --
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-- DROP TABLE Customers CASCADE CONSTRAINTS; -- uncomment after 1st run
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CREATE TABLE customers (
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customerId CHAR(5),
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companyName VARCHAR2(40) NOT NULL,
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contactName VARCHAR2(30),
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contactTitle VARCHAR2(30),
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address VARCHAR2(60),
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city VARCHAR2(15),
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region VARCHAR2(15),
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postalCode VARCHAR2(10),
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country VARCHAR2(15),
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phone VARCHAR2(24),
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fax VARCHAR2(24),
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email VARCHAR2(50),
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CONSTRAINT Customers_CustomerId_pk PRIMARY KEY (customerId)
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);
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-- (3) Employees --
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-- DROP TABLE Employees CASCADE CONSTRAINTS; -- uncomment after 1st run
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CREATE TABLE employees (
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employeeId NUMBER(8,0),
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lastName VARCHAR2(20) NOT NULL,
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firstName VARCHAR2(10) NOT NULL,
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title VARCHAR2(30),
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titleOfCourtesy VARCHAR2(25),
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birthDate DATE,
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hireDate DATE,
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address VARCHAR2(60),
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city VARCHAR2(15),
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region VARCHAR2(15),
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postalCode VARCHAR2(10),
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country VARCHAR2(15),
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homePhone VARCHAR2(24),
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extension VARCHAR2(4),
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notes VARCHAR2(600),
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reportsTo NUMBER(8,0),
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photograph VARCHAR2(255),
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SIN CHAR(9),
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CONSTRAINT Employees_EmployeeId_pk PRIMARY KEY (employeeId),
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);
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-- (4) OrderDetails --
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-- DROP TABLE OrderDetails CASCADE CONSTRAINTS; -- uncomment after 1st run
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CREATE TABLE orderDetails (
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orderId NUMBER(8,0) NOT NULL,
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productId NUMBER(8,0) NOT NULL,
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unitPrice NUMBER(8,2) NOT NULL,
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quantity NUMBER(6,0) NOT NULL,
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discount NUMBER(5,2) NOT NULL,
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CONSTRAINT orderDetails_OID_PID_pk PRIMARY KEY (orderId, productId),
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);
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-- (5) Orders --
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-- DROP TABLE Orders CASCADE CONSTRAINTS; -- uncomment after 1st run
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CREATE TABLE orders (
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orderId NUMBER(8,0) NOT NULL,
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customerId CHAR(5),
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employeeId NUMBER(8,0),
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territoryId VARCHAR2(20),
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orderDate DATE,
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requiredDate DATE,
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shippedDate DATE,
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shipVia NUMBER(8,0),
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freight NUMBER(8,2),
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shipName VARCHAR2(40),
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shipAddress VARCHAR2(60),
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shipCity VARCHAR2(15),
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shipRegion VARCHAR2(15),
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shipPostalCode VARCHAR2(10),
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shipCountry VARCHAR2(15),
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CONSTRAINT Orders_OrderId_pk PRIMARY KEY (orderId),
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);
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-- (6) Products --
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-- DROP TABLE Products CASCADE CONSTRAINTS; -- uncomment after 1st run
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CREATE TABLE products (
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productId NUMBER(8,0) NOT NULL,
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productName VARCHAR2(40) NOT NULL,
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supplierId NUMBER(8,0),
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categoryId NUMBER(8,0),
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quantityPerUnit VARCHAR2(20),
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unitPrice NUMBER(8,2),
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unitsInStock NUMBER(6,0),
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unitsOnOrder NUMBER(6,0),
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reorderLevel NUMBER(6,0),
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discontinued NUMBER(1,0) NOT NULL,
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CONSTRAINT Products_ProductID_pk PRIMARY KEY (productId)
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);
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-- (7) Suppliers --
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-- DROP TABLE Suppliers CASCADE CONSTRAINTS; -- uncomment after 1st run
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CREATE TABLE suppliers (
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supplierId NUMBER(8,0) NOT NULL,
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companyName VARCHAR2(40) NOT NULL,
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contactName VARCHAR2(30),
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contactTitle VARCHAR2(30),
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address VARCHAR2(60),
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city VARCHAR2(15),
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region VARCHAR2(15),
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postalCode VARCHAR2(10),
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country VARCHAR2(15),
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phone VARCHAR2(24),
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fax VARCHAR2(24),
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homepage VARCHAR2(200),
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CONSTRAINT Suppliers_SupplierId_pk PRIMARY KEY (supplierId),
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);
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-- (8) Shippers --
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-- DROP TABLE Shippers CASCADE CONSTRAINTS; -- uncomment after 1st run
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CREATE TABLE shippers (
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shipperId NUMBER(8,0) NOT NULL,
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companyName VARCHAR2(40) NOT NULL,
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phone VARCHAR2(24),
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CONSTRAINT Shippers_Shipper_ID_pk PRIMARY KEY (shipperId),
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);
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SELECT table_name, 'Levi McLean' FROM user_tables
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WHERE table_name != 'HTMLDB_PLAN_TABLE';
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@@ -0,0 +1,51 @@
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DROP TABLE test_customers;
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CREATE TABLE test_customers (
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CustomerID NUMBER(8),
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CustName VARCHAR2(35) NOT NULL,
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CustAge NUMBER(2),
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CONSTRAINT pk_test_customers_CustomerID PRIMARY KEY(CustomerID),
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CONSTRAINT uk_test_customers_CustName UNIQUE(CustName),
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CONSTRAINT ck_test_customers_CustAge CHECK(CustAge>=16 AND CustAge<=70)
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);
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INSERT INTO test_customers VALUES(100, 'John Smith', null);
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INSERT INTO test_customers VALUES(350, 'Mark Smith', 20);
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SELECT * FROM test_customers;
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CREATE TABLE test_orders (
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OrderID NUMBER(8),
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CustomerID NUMBER(8),
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OrderDate Date,
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OrderAmount NUMBER(8,2),
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CONSTRAINT pk_test_orders_OrderID PRIMARY KEY(OrderID),
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CONSTRAINT fk_test_orders_test_customers FOREIGN KEY(CustomerID) REFERENCES test_customers(CustomerID)
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);
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INSERT INTO test_orders VALUES(1, 100, '2023-01-15', 125.3);
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INSERT INTO test_orders VALUES(2, 100, '2023-01-18', 300.3);
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SELECT * FROM test_orders;
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SELECT * FROM test_customers c JOIN test_orders o ON c.CustomerID = o.CustomerID;
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SELECT constraint_name, constraint_type, search_condition, table_name, 'Levi McLean' AS "Created By"
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FROM user_constraints
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WHERE table_name IN('CATEGORIES','EMPLOYEES','CUSTOMERS', 'ORDERS','ORDER_DETAILS','PRODUCTS','VENDORS','PRODUCT_VENDORS')
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AND constraint_name NOT LIKE 'SYS%'
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ORDER BY 1;
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SELECT 'Customers' AS "Levi McLean's Tables", COUNT(*) AS "Row Count" FROM CUSTOMERS
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UNION
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SELECT 'Employees', COUNT(*) FROM Employees UNION
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SELECT 'Orders', COUNT(*) FROM Orders UNION
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SELECT 'Orders Details', COUNT(*) FROM OrderDetails UNION
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SELECT 'Products', COUNT(*) FROM Products UNION
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SELECT 'Categories', COUNT(*) FROM Categories UNION
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SELECT 'Shippers', COUNT(*) FROM Shippers UNION
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SELECT 'Suppliers', COUNT(*) FROM Suppliers;
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@@ -0,0 +1,48 @@
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CREATE TABLE test_customer (
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Id NUMBER(6,0),
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Name VARCHAR2(20)
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);
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INSERT INTO test_Customer (Id, Name) VALUES (100,'SMITH');
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INSERT INTO test_Customer (Id, Name) VALUES (101,'JONES');
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INSERT INTO test_Customer (Id, Name) VALUES (100,'BROWN');
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SELECT * FROM test_customer;
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--TRUNCATE TABLE test_customer;
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DROP TABLE test_customer;
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CREATE TABLE test_customer (
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Id NUMBER(6,0) PRIMARY KEY,
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Name VARCHAR2(20)
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);
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DROP TABLE IF EXISTS test_customer;
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CREATE TABLE test_customer (
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Id NUMBER(6,0),
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Name VARCHAR2(20),
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CONSTRAINT test_customer_Id_pk PRIMARY KEY (Id)
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);
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-- Viewing the Data Dictionary
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SELECT table_name, num_rows FROM USER_TABLES WHERE table_name != 'HTMLDB_PLAN_TABLE';
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-- Table Creation through Sub Queries
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CREATE TABLE cust_marketing AS
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(SELECT Id, Lastname, FirstName, City, Province FROM Customers);
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SELECT * FROM cust_marketing;
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-- Modify Existing Tables
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ALTER TABLE Vendors ADD Ext NUMBER(4,0);
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ALTER TABLE VENDORS MODIFY Ext NUMBER(5,0);
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ALTER TABLE vendors DROP COLUMN Ext;
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SELECT table_name, num_rows FROM user_tables
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WHERE table_name != 'HTMLDB_PLAN_TABLE';
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