create or replace trigger delete_emp after delete on departments for each row begin delete from employees where departmentid=:old.departmentid end delete_emp -create or replace trigger delete_emp after delete on departments for ea

oracle 9i的官方SQL和PL/SQL认证资料，不用找了，一共四个文件，虽然有些旧但是内容没有过时-The official oracle 9i SQL and PL/SQL certification information, do not look for a total of four documents, although some of the contents of the old but not obsolete

JDBC代理程序，用于JAVA开发，处理连接老数据库的字符集问题。-JDBC Agent for JAVA development, process connection old database character set problem.