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
这本书只谈论C语言,不涉及C++,如书名所述,只谈论怎么编写优质无错C代码,不涉及太多C语言本身细节,所以不适合对C语法不熟悉的读者,非常适合在工作中由于C语言本身的灵活性而苦恼的初级码农,对自己写的C代码不够自信的读者,是一本帮助形成优质C代码编程习惯的指导用书。 作者简介:Steve Maguire went to work for Microsoft in 1986. In 1993, Maguire wrote Writing Solid Code, a guide for writi