Pros and cons for using single/multiple database

hi
could anyone tell me in which senario we can use multiple databases and advantages and disadvantages using multiple databases over single database (with different tablespace)
thaks in advance
hari

depending on your situation you can probably think of different answers. You ask for a 'general' rule of thumb... well, some things that pop into my mind:
- different usage by applications. e.g. you have a transactional application storing and modifying data and you also want to do analytics. You might want to build a seperate database/datawarehouse that you can use for analytics. by splitting it up you can tune both databases to work best with the application using it.
- sensitive data and many different users. e.g. the marketing department does not need to have access to the finance department's data (salaries, etc). give each department a separate database and only load the data needed/give access to the data needed.
Just some thoughts, you can think of more when confronted with a certain situation.
Lennert

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