[Tutor] Multiple DBs per application?
leamhall at gmail.com
Tue May 15 01:55:52 CEST 2012
On 05/14/2012 06:44 PM, Alan Gauld wrote:
> On 14/05/12 20:33, leam hall wrote:
>> Just a general question. If you have an application with different
>> data types where it might be better to use one database over another,
>> are there issues with having multiple databases used by the
> No, you can usuially have multiple databases open at once.
> You can have multiple instances of the same database or
> different database types.
> However the data types are rarely ta reason to use different databases.
> More typically would be different performance requirements or security
> issues. For example it's common to hold some data in an LDAP structure
> for speed of access (at the expense of flexibility) and the rest of the
> data in an RDBMS such as MySql. But using say MySQL and Oracle together
> would normally only be done because they were pre-existing datastores
> from another project.
Thanks! I was more thinking of something like a CMS where user login
information and admin functions might be in a SQLite database and then
some larger backend big data stuff in MongoDB or similar. Just wasn't
sure if there was a basic flaw to the idea that I wasn't aware of.
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