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From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject: Re: 'Lite' Databases (Re: sqlite3 and dates)
Date: Fri, 20 Feb 2015 09:16:16 -0500
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On Thu, 19 Feb 2015 20:20:42 -0800 (PST), rurpy@yahoo.com.dmarc.invalid
declaimed the following:

>
>Do they all install and run their own independent server?  Each
>with its own set of more than a half dozen processes running all
>the time?  Each that has to be started up at system boot?  Each
>with their own directory of Postgresql software and backend data
>directory?  Where do these files all go and how do app developers 
>agree on some standard to avoid chaos?  How does each app find a 
>network port or socket that doesn't conflict with the others or 
>with things the machine owner may run?  For a Sqlite app you are
>installing files for which the rules are all pretty well established.
>
>And if the Postresql apps share a server who arbitrates when 
>app X decides it needs to set some parameter that breaks app Y?
>Or change anything else on the server; things shared in common
>by all the apps like users or (as you yourself mentioned) log 
>file settings?
>
>The complexities you deny exist do exist and have to be dealt 
>with somewhere.  Either you, the developer have to handle them
>in the installation and anticipate problems like "Install error:
>/var/lib/pgsql/data: already exists" or "data directory contain 
>wrong version of Postresql" or you shove the task off onto your 
>users in which case they will have to have sufficient expertise 
>to deal with them.
>

	The middle-ground is probably something like the embedded version of
Firebird (pity there has been no updated book -- "The Firebird Book" came
out in 2004, v1.5 while 2.5 is current [Whoops, looks like there /is/ an
update, print-on-demand in three overpriced volumes])
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
    wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/