摘要:
spring-beans-xx.xx.jar commons-collections-xx-xx.jar commons-lang-xx-xx.jar 异常堆栈信息转字符窜 去空格后是否空字符 字符窜格式化 阅读全文
摘要:
--:new 新记录,--:old 老记录create or replace trigger tr_tab_user_timestamp before insert or update on tab_user for each row declare begin :new.time_stamp:=sysdate; end; 阅读全文