摘要:
判断目前系统中的等待事件:SELECT SUBSTR(s1.username,1,12) "WAITING USER" , SUBSTR(s1.osuser,1,8) "OS User" , SUBSTR(TO_CHAR... 阅读全文
摘要:
1.查看现在oracle的大表sql: 1 select owner, segment_name, segment_type, num_ext, tot 2 from (select owner, 3 segment_name, 4 s... 阅读全文