08 2017 档案
摘要:需要把MySQL的一些数据同步到Oracle,用ETL工具太麻烦了,通过参考官方文档实现了oracle to mysql dblink。每次修改配置后,需要重启监听才能生效,或者 reload一下,确保监听状态正常(按照文档配置的,没什么多余的解释,只是有乱码问题是换了mysql odbc的版本得以
阅读全文
摘要:用到临时表空间的几种SQL CREATE INDEX SELECT ... ORDER BY SELECT DISTINCT ... SELECT ... GROUP BY SELECT ... UNION SELECT ... INTERSECT SELECT ... MINUS 在创建临时表或者
阅读全文
摘要:系统:Red Hat Enterprise Linux Server release 6.3 (Santiago) 数据库:Percona-Server-5.6.29-rel76.2-Linux.x86_64.ssl101.tar.gz ###1. 准备 ####libjemalloc librar
阅读全文
摘要:Header (Common and Variable) The header contains general block information, such as the block address and the type of segment (for example, data or in
阅读全文
摘要:Oracle是怎么工作的,摘自Oracle 9i的官方文档 The following example describes the most basic level of operations that Oracle performs. This illustrates an Oracle conf
阅读全文
摘要:简单记两个 [root@oracle ~] ip route show default via 192.0.2.2 dev eth0 proto static 192.0.2.0/24 dev eth0 proto kernel scope link src 192.0.2.110 metric 1
阅读全文
摘要:MySQL版本:Percona Server 5.6.29 OS:RHEL6.3 1. 安装出错 [mysql@oracle ~]$ /home/mysql/scripts/mysql_install_db user=mysql basedir=/home/mysql datadir=/mysql/
阅读全文
摘要:仅在 Oracle Linux Server release 6.3 上测试 PS:Oracle Linux Server release 6.3仅用于测试,不能用于商业用途 [root@oracle mysql] mkdir /media/disk [root@oracle mysql] moun
阅读全文