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oracle中rowid高速分页

发表于：2026-11-02 作者：千家信息网编辑

千家信息网最后更新 2026年11月02日，第一步：获取数据物理地址第二步：取得最大页数第三步：取得最小页数第四步：因为取得的页数都是物理地址，再根据物理地址，查询出具体数据--rowid分页，第一步select rowid rid,OWNER

千家信息网最后更新 2026年11月02日oracle中rowid高速分页第一步：获取数据物理地址
第二步：取得最大页数
第三步：取得最小页数
第四步：因为取得的页数都是物理地址，再根据物理地址，查询出具体数据

--rowid分页，第一步

select rowid rid,OWNER,OBJECT_NAME,LAST_DDL_TIME from tt order by LAST_DDL_TIME desc

RID OWNER OBJECT_NAME LAST_DDL_TIME
------------------ ------------------------------ -------------------- -------------------
AAAVciAABAAAXEZAAC SYS CON$ 2013-08-24 11:52:40
AAAVciAABAAAXEZAAA SYS ICOL$ 2013-08-24 11:47:37
AAAVciAABAAAXEZAAE SYS C_COBJ# 2013-08-24 11:37:35
AAAVciAABAAAXEZAAF SYS I_OBJ# 2013-08-24 11:37:35
AAAVciAABAAAXEZAAG SYS PROXY_ROLE_DATA$ 2013-08-24 11:37:35
AAAVciAABAAAXEZAAH SYS I_IND1 2013-08-24 11:37:35
AAAVciAABAAAXEZAAI SYS I_CDEF2 2013-08-24 11:37:35
AAAVciAABAAAXEZAAJ SYS I_OBJ5 2013-08-24 11:37:35
AAAVciAABAAAXEZAAK SYS I_PROXY_ROLE_DATA$_1 2013-08-24 11:37:35
AAAVciAABAAAXEZAAL SYS FILE$ 2013-08-24 11:37:35
AAAVciAABAAAXEZAAM SYS UET$ 2013-08-24 11:37:35
AAAVciAABAAAXEZAAN SYS I_FILE#_BLOCK# 2013-08-24 11:37:35
AAAVciAABAAAXEZAAO SYS I_FILE1 2013-08-24 11:37:35
AAAVciAABAAAXEZAAP SYS I_CON1 2013-08-24 11:37:35
AAAVciAABAAAXEZAAQ SYS I_OBJ3 2013-08-24 11:37:35
AAAVciAABAAAXEZAAR SYS I_TS# 2013-08-24 11:37:35
AAAVciAABAAAXEZAAD SYS UNDO$ 2013-08-24 11:37:35
AAAVciAABAAAXEZAAS SYS I_CDEF4 2013-08-24 11:37:35
AAAVciAABAAAXEZAAB SYS I_USER1 2013-08-24 11:37:35

19 rows selected.

--rowid分页，第二步

select rownum rn,rid from(select rowid rid,OWNER,OBJECT_NAME,LAST_DDL_TIME from tt order by LAST_DDL_TIME desc) where rownum<10;

RN RID
---------- ------------------
1 AAAVciAABAAAXEZAAC
2 AAAVciAABAAAXEZAAA
3 AAAVciAABAAAXEZAAB
4 AAAVciAABAAAXEZAAD
5 AAAVciAABAAAXEZAAE
6 AAAVciAABAAAXEZAAF
7 AAAVciAABAAAXEZAAG
8 AAAVciAABAAAXEZAAH
9 AAAVciAABAAAXEZAAI

9 rows selected.

--rowid分页，第三步
select rid from(select rownum rn,rid from(select rowid rid,OWNER,OBJECT_NAME,LAST_DDL_TIME from tt order by LAST_DDL_TIME desc) where rownum<10) where rn>5;

RID
------------------
AAAVciAABAAAXEZAAF
AAAVciAABAAAXEZAAG
AAAVciAABAAAXEZAAH
AAAVciAABAAAXEZAAI

--rowid分页，第四步
select * from tt where rowid in(select rid from(select rownum rn,rid from(select rowid rid,OWNER,OBJECT_NAME,LAST_DDL_TIME from tt order by LAST_DDL_TIME desc) where rownum<10) where rn>5);

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