摘要: --表名,表占用空间大小(MB),行数select table_name, round(num_rows * avg_row_len /1024/1024, 8) as total_len, num_rows from user_tables where table_name = '表名' orde 阅读全文
posted @ 2017-12-21 20:56 Phoenix-Smile 阅读(2079) 评论(0) 推荐(0) 编辑