Foreword ............................... xvii Preface ................................xix Acknowledgments ..........................xxi Part I—Introduction to Game Development Chapter 1 What Does This Book Cover? ............3 How to Make a Game....
开始报错如下，需更换c3p0包 org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.connections.spi.ConnectionProvider] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractService
oracl 和db2 常用语法比较： 1、取前N条记录 Oracle：Select * from TableName where rownum <= N; DB2：Select * from TableName fetch first N rows only; 2、取得系统日期 Oracle：Select sysdate from dual; DB2：Select current timestamp from sysibm.sysdummy1; 3、空值转换 Oracle：Select
