ivy.tang

摘要： Hibernate运行版本：4.1.10异常描述：Position beyond number of declared ordinal parameters. Remember that ordinal parameters are 1-based! Position: 1错误代码片段：1 String hsql = " select t.id,t.date from Event t where t.id = :id";2 Query query = session.createQuery(hsql);3 query.setParameter(1, 1);两点错误：1、使用 阅读全文

摘要： 运行环境：MySQL5.5语法：CONSTRAINT fk_name foreign key(column_name) references table_name(column_name)在创建表时直接创建drop table if exists pay;drop table if exists employee;　create table employee(id int not null auto_increment, name varchar(20) not null, primary key(id)) engine=InnoDB default charset=UTF8;create t 阅读全文