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CREATE TABLE user(
id INT PRIMARY KEY AUTO_INCREMENT,
username VARCHAR(20) NOT NULL UNIQUE KEY,
userpwd VARCHAR(20) NOT NULL,
age TINYINT UNSIGNED DEFAULT 0,
sex ENUM(‘1‘,‘2‘,‘2‘) DEFAULT ‘1‘,
salary FLOAT(8,2) UNSIGNED
);
SHOW TABLES [FROM db_name];
SHOW COLUMNS FROM tb_name;
INSERT [INTO] tb_name [(col_name,...)] VALUES(val,...)
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原文地址:http://www.cnblogs.com/dayaodao/p/5951055.html