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comment Does exist some software for transforming data from one DB schema to another?
You don't really get push-button data migration like that. Chances are that you will have to write a set of data migration scripts to move your data across.
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revised What does a DBA have to know about SSAS?
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Nov
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comment Use only one Junction Table per Database?
If you're doing a data model for a policy admin system, might I enquire as to what sort of risks it's supposed to cover? There are many roles a party can take with reference to a risk and/or claim.
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revised Is business intelligence (BI) primarily a technical project or a business project?
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May
26
comment Why have both a postmaster and postgres executable?
It was historical. Back in in the earlier days of Postgres it used a fork-exec process to spawn instances of the DBMS, which would then attach to shared memory and synchronisation resources. This was widely used on unix based DBMS platforms of the client-server era - Informix SE, INGRES, interbase, early versions of Sybase, Progress and probably some others worked in this way. Even Oracle has a mode where you can bring it up in this way. Postmaster was a gateway daemon that listened on a port (5432 by default) and spawned instances of the main server when a client connected to it.
Apr
20
awarded  Nice Answer