ORCALE用户授权与创建同义词

创建同义词：

DROP public synonym marketmonitor_day;
DROP public synonym marketmonitor_month;
DROP public synonym marketmonitor_week;

create public synonym MARKETMONITOR_DAY for userdata.MARKETMONITOR_DAY;
create public synonym MARKETMONITOR_MONTH for userdata.MARKETMONITOR_MONTH;
create public synonym MARKETMONITOR_WEEK for userdata.MARKETMONITOR_WEEK;

用户授权：

grant select, insert, delete,update,alter on userdata.marketmonitor_day to useropr;
grant select, insert, delete,update,alter on userdata.marketmonitor_month to useropr;
grant select, insert, delete,update,alter on userdata.marketmonitor_week to useropr;