标签:
e1、数据库
创建数据库:CREATE DATABASE student_teacher;
删除数据库:DROP DATABASE student_teacher;
2、表
创建表:CREATE TABLE student;
删除表:DROP TABLE student;
增加一列:Alter table student add column name char;
3、视图
创建视图:create view stu;
删除视图:drop view stu;
4、简单表数据操作语句
选择:select * from student where no=091120109;
插入元组:insert into student(no,num,sex,grade) values(1,091120109,male,98);
删除元组:delete form student where sex=male;
更新字段属性的值:update student set sex=female where sex=male;
模糊查找:select * from student where num like “%911201%”; //%代表任意的零个或多个字符,’_’表示任意单个字符。
排序(DESC为降序,ASC为升序):select *from student order by num [DESC];
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原文地址:http://www.cnblogs.com/joeshine/p/4355500.html