SQL 必知必会笔记15创建和操纵表
创建表的两种办法： 使用DBMS 提供的交互式创建和管理数据库表的工具； 直接用SQL 语句创建。 表创建基础 创建表示例： Products 2 ( vend_id CHAR ( 10 ) NOT NULL , 5 prod_name CHAR ( 254 ) NOT NULL , 6 prod_price DECIMAL ( 8 , 2 ) NOT NULL , 7 pro
创建表的两种办法：
表创建基础
创建表示例：
Products 2 ( vend_id CHAR(10) NOT NULL, 5 prod_name CHAR(254) NOT NULL, 6 prod_price DECIMAL(8,2) NOT NULL, 7 prod_desc VARCHAR(1000) NULL 8 ); ，
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