B*g
2 楼
table里有lob,update(非lob column)performance有多大影响?考虑clob可以
inline。
inline。
v*r
3 楼
$0.02 :->
读入 rows with inline lob, it is roughly like reading in varchar2(4000)
colomn for inline lob column; 读入 rows with outline lob, I/O is more
efficient than other inline clob rows as more outline lob rows can be read
into buffer.
总之,如果是update 非lob columns 的话, lob column 对 performance 影响很小,
很小。
读入 rows with inline lob, it is roughly like reading in varchar2(4000)
colomn for inline lob column; 读入 rows with outline lob, I/O is more
efficient than other inline clob rows as more outline lob rows can be read
into buffer.
总之,如果是update 非lob columns 的话, lob column 对 performance 影响很小,
很小。
相关阅读
access 的tree view 问题Can I use array in SQL stored procedure?菜鸟请教JDBC怎样连接FoxPro数据库?How to reset lost root passwd in mysql.how to enable remote access of mysql?[转载] foxpro and c#要面试了 怎么准备[转载] 问个datamining clustering的问题。请问SQL和MySQL的最大的区别是什么呀?请问如何算出这个天数来oracle8i在linux9的安装步骤(ZZ)[转载] connect mysql remotelySQL Standard[转载] 真正高手:如何修改flashget数据库文件PowerBuilder QBE problemHELP! SQL Server vs JDBC question如何在existing Access DB中负相同的一个值给一个field?求助,关于ASPORA-01002: fetch out of sequence问题