sm_rowid.txt

orale培训教材包括了所有的sql说明和实例

SELECT  ROWID,NAME FROM SM_EMP;

select ROWID,ename FROM emp ;

--用ROWID做WHERE条件,最快的定位方法！
select ROWID,ename FROM emp where ROWID ='AAAGDaAABAAAIRKAAA';

--显示记录的物理位置为更可读的方法
SELECT ROWID, 
       SUBSTR(ROWID,1,6) "OBJECT", 
       SUBSTR(ROWID,7,3) "FIL", 
       SUBSTR(ROWID,10,6) "BLOCK", 
       SUBSTR(ROWID,16,3) "ROW" 
       FROM emp;