oracle的字段类型number,number(*),number(*,0)
09:00:12 SQL> create table JYC_A(sno number,sno1 number(*),sno2 number(*,0));Table created.09:05:04 SQL> col column_name for a1009:05:13 SQL> select column_name,data_precision,data_scale from user_tab_columns where table_name = '
