WebDec 19, 2013 · Hi after deleted rows, the high water mark is still the same and so the size of the table. you need to bring down the water mark This site is currently read-only as we are migrating to Oracle Forums for an improved community experience. WebApr 11, 2024 · 为你推荐; 近期热门; 最新消息; 心理测试; 十二生肖; 看相大全; 姓名测试; 免费算命; 风水知识
Shrink Oracle Table after Deletion — oracle-mosc
WebFeb 8, 2005 · 8.deallocate of unused space sql> alter table table_name deallocate unused [keep integer] 9.truncate a table sql> truncate table table_name; ... sql> alter user juncky identified by oracle account unlock; 2.user_provided password function sql> function_name(userid in varchar2(30),password in varchar2(30), http://www.dba-oracle.com/t_coalesce_deallocate_unused_space.htm#:~:text=Oracle%20notes%20that%20the%20%22deallocate%20unused%20space%22%20clause,unused%20space%3B%20alter%20index%20xxx%20deallocate%20unused%20space%3B adreanne singlas
Oracle table fragmentation
WebMar 23, 2011 · Hi all, In the Oracle documentation "Oracle Database Concepts" it is said that when we execute the alter table deallocate unused statement then the datablocks are … WebSep 8, 2024 · My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts. Oracle offers a comprehensive and fully integrated stack of cloud applications and platform services. For more information about Oracle (NYSE:ORCL), visit oracle.com. WebDeallocating the unused space (=space above the HWM) doesn't help much (since there is not a lot of unused space above the HWM): SQL> alter table t deallocate unused; Table altered. SQL> select count (*), sum (bytes) from user_extents where segment_name='T'; COUNT (*) SUM (BYTES) ---------- ---------- 29 13959168 jtb たびたびバンク 使い方