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....
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
