Spring Framework 开发参考手册 Rod Johnson Juergen Hoeller Alef Arendsen Colin Sampaleanu Rob Harrop Thomas Risberg Darren Davison Dmitriy Kopylenko Mark Pollack Thierry Templier Erwin Vervaet Portia Tung Ben Hale Adrian Colyer John Lewis Costin Leau Mark
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