分区表碎片整理(move)
1. 当前执行存储过程的用户下建立表MON_SEGMENT_USAGECREATE TABLE MON_SEGMENT_USAGE(owner varchar2(20),segment_name varchar2(40),segment_type varchar2(40),total_bytes number(20),full_bytes number(20),pct_used number(10),created_date date);2. 若表MON_SEGMENT_USAGE已经存在,在执