select a.catalog_name,decode(substr(trunc((a.s/b.count2),4)*100||'%',0,1),'.',replace(trunc((a.s/b.count2),4)*100||'%','.','0.'),trunc((a.s/b.count2),4)*100||'%') as percentfrom (SELECT PARENT_NAME as catalog_name, sum(COUNTNUM) as s FROM RES_PR
使用pip安装python插件的时候出现Microsoft Visual C++ 9.0缺失错误 使用pip安装python插件的时候出现Microsoft Visual C++ 9.0缺失错误 : Running setup.py install for gevent building 'gevent.corecext' extension error: Microsoft Visual C++ 9.0 is required (Unable to find vcvarsall.b