ITPub博客

 是多少说的

昨天从淘宝上买的补胎工具、气筒都到了，今天台风刚过，忍不住中午就去试试，试了近半个小时，费了九牛二虎之力，累得满头是汗，带还是没扒下来，无奈回来从网上看了视频，才恍然大悟，原来补内胎是先要把外胎扒下来，直接取内胎根本取不下来。 下午3点下去再试，这下把自行车翻过来，按照视频讲的，很顺利的扒下来了，然后找盆水，很细的找洞，找了2遍，还不错真找到了，然后搓一下，刷上胶水，粘上胶皮，真不错，不漏了，不过过程中也犯了小错，补胎时应该把查洞时打的气放掉再补胎，嘿嘿，下次有经验了... 以后再不会花2元钱去补胎

Table Compression Enhancements in Oracle Database 11g Release 1Table compression was introduced in Oracle 9i as a space saving feature for data warehousing projects. In 11g it is now considered a mainstream feature that is acceptable for OLTP databases. In addition to saving storage space, compression can result in increased I/O performance and reduced memory use in the buffer cache. These advantages do come at a cost, since compression incurs a CPU overhead, so it won't be of benefit to everyon

CRSCTL命令用法(zt)主要内容: . CRS 的组成. CRSCTL命令的用法举例. Start/Stop RAC Instance1. How the crs related services startup when OS startup or reboot:OS: LinuxFrom the directory (/etc/init.d), There are four executable shell scripts:init.crs (Combination of all services' start)init.crsd (crs daemon)init.cssd (cluster synchronization service)init.evmd (event manager)Note: /etc/init.d/init.crs start is not supported until 10.1.0.4/etc/init.d/init.crs stop is supported since 10.1.0.22. How to st

v$bh & v$cache 测试v$bh 和 v$cache 视图，可以查询 buffer cache中缓存的数据块，其中包括脏数据块以及为读一致性构造的cr 块．本测试就是通过这２个视图，查证oracle　构造的过程．首先登录数据库，读取test表。...

遇到Oracle IMP-00020 错误作者: Fenng | 可以转载, 转载时务必以超链接形式标明文章原始出处和作者信息及版权声明网址: http://www.dbanotes.net/database/oracle_imp00020_1.html 错误日志如下：IMP-00020: l...

1，修改分区表默认表空间     alter table t1 modify default attributes tablespace ts_name;2,重建分区索引某个失效分区    alter index i1 rebuild partition p...