alter system set deferred_segment_creation=false scope=both;
select 'alter table '||table_name||' allocate extent;' from user_tables
where num_rows=0
exp posko/globalsoft@orcl file=d:\pos1601.dmp owner=(posko) compress=n
imp daochu/globalsoft@orcl full=y file= d:\pos1601.dmp ignore=y LOG=D:\rizi.log
求大神解决