ora sql/plus 查询。。。。表

2、表

查看用户下所有的表 中国网管论坛bbs.bitsCN.com 
            SQL>select * from user_tables;

查看名称包含log字符的表
            SQL>select object_name,object_id from user_objects where instr(object_name,'LOG')>0;

查看某表的创建时间
            SQL>select object_name,created from user_objects where object_name=upper('&table_name');



查看某表的大小
SQL>select sum(bytes)/(1024*1024) as "size(M)" from user_segments where segment_name=upper('&table_name'); 
 ------不识别“同名”   
++++++++++++

 
SQL> select object_name,created from user_objects where object_name=upper('dec');
查看放在ORACLE的内存区里的表
            SQL>select table_name,cache from user_tables where instr(cache,'Y')>0;