How to Move Oracle Database

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Actually, this topic “How to Move Oracle Database” follows my previous post: How to Move ORACLE HOME. But I think it can be used in any moving operations. Generally speaking, this post will include the following subtle topics: How to move spfile How to move control files How to move database files How to move […]
Oracle Home


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Allow me to ask you a question before going further: why would you like to move ORACLE HOME to another place? You may leave your comment below this post, I am curious about it. As for me, it’s because my client like old-fashioned file structure and don’t like Optimal Flexible Architecture (OFA) to be used, […]
Data Dictionary View

How to Find Biggest Segments in Oracle

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Find Biggest Segments A segment in Oracle database is a set of extents that contains all the data for a specific logical storage structure within a tablespace. Which means segments contain not only metadata but real data. Normally, segments include tables, indexes and large objects, etc. Let’s see what biggest segments are in our database. […]
Shell Script

How to Auto Start Oracle Database on Linux

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For Solaris OS, you should check this post: How to Auto Start Oracle Database on Solaris. By default, Oracle software installation does not deploy automatic startup and shutdown init scripts on the platform, you have to create them by yourself. Here I introduce my scripts for you to use or modify with. oratab in Linux […]
Startup and Shutdown

How to Resolve ORACLE_HOME_LISTNER is not SET, unable to auto-start Oracle Net Listener

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ORACLE_HOME_LISTNER is not SET Got this error when I used dbstart to startup all required instances: ORACLE_HOME_LISTNER is not SET, unable to auto-start Oracle Net Listener. This is because dbstart takes the first argument of this command as the database home path for listener to startup. Which means, this command will start both database and […]