PHP Learning notes: PHP Second-hand Trading market system

The database script execution statement for this example: source D:\test\2shou.sql;  

CREATE DATABASE IF not EXISTS 2shou COLLATE ' gb2312_chinese_ci ';
Use 2shou; CREATE TABLE IF not EXISTS bulletin (Id INT auto_increment PRIMARY KEY, Title varchar (m), Content varchar

(1000), posttime datetime, Poster varchar (50));
CREATE TABLE IF not EXISTS goodstype (typeid INT auto_increment PRIMARY KEY, TypeName VARCHAR (MB) not NULL

);
    CREATE TABLE IF not EXISTS goods (goodsid int auto_increment PRIMARY KEY, typeID int, saleorbuy TINYINT,  Goodsname VARCHAR, Goodsdetail VARCHAR (1000), ImageURL VARCHAR (m), Price VARCHAR (), StartTime DATETIME, Oldnew VARCHAR, Invoice VARCHAR (a), repaired VARCHAR (), carriage (), VARCHAR

Mode VARCHAR, Delivermode VARCHAR (m), Isover TINYINT, ownerID VARCHAR (m), Clicktimes INT);     CREATE TABLE IF not EXISTS Users (UserId VARCHAR), Userpwd VARCHAR (m), Name VARCHAR (Sex) TINYint, Address VARCHAR (+), postcode VARCHAR, Email VARCHAR (+), telephone VARCHAR (100),
Mobile VARCHAR (M), usertype TINYINT); INSERT into Users VALUES (' admin ', ' 111111 ', ' admin ', 1, ', ', ', ', ', ', ', ', ', ', ', 1);