摘要： https://blog.csdn.net/qq_22946601/article/details/82382931 1.虚拟机准备，网络配置，host配置，无秘配置，防护墙关闭,ntp服务 cdh-node1 192.168.128.221 cdh-node2 192.168.128.222 cd 阅读全文

摘要： declare VSQL varchar2 (2000); year varchar2(4);begin year:= to_char(sysdate-1,'yyyy'); VSQL:=' create or replace view v_cw_gzmx as select trim(uni_no) 阅读全文