摘要： select substr(a.owner, 1, 20), substr(a.name, 1, 30), substr(a.type, 1, 20), substr(u.status, 1, 10) stat, u.last_ddl_time, substr(text, 1, 80) description from dba_source a, dba_objects uwhere 2 = 2 ... 阅读全文