oracle 行鏈接

1. run the $ORACLE_HOME/rdbms/admin/utlchain.sql script

2.ANALYZE TABLE test LIST CHAINED ROWS;

3.create table  tmp_tab  as  SELECT * FROM  test  WHERE ROWID IN
         (SELECT HEAD_ROWID FROM CHAINED_ROWS WHERE TABLE_NAME='test');

4.delete from   test  WHERE ROWID IN
         (SELECT HEAD_ROWID FROM CHAINED_ROWS WHERE TABLE_NAME='test');

5 .insert into test select * from  tmp_tab  ;