摘要：
SELECT a.tablespace_name, a.bytes/1073741824 total, b.bytes/1073741824 used, c.bytes/1073741824 free, (b.bytes * 100) / a.bytes "% USED ", (c.bytes * 阅读全文
摘要：
create or replace function count_rows(table_name in varchar2, owner in varchar2 default null) return number authid current_user IS num_rows number; st 阅读全文