?
1) 查询出前一天的数据,并插入到另一表中的存储过程:
- ----------创建一存储过程:??
 - create?or?replace?procedure?P_TEST?is??
 - begin??
 - ??insert?into?test_table??
 - ????(id,?content,?account,states)??
 - ??????select?'ty'?||?to_char(current_timestamp,'yyyymmddhh24missff'),??
 - ???????????'test?content....',??
 
