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Databases, was: Re: Max size file

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jonas.thornvall@gmail.com wrote on 23 Sep 2017 in comp.lang.javascript:
> I wrote:
>> A database without integrity is NOT a database,
>> because to call a file a database 
>> it MUST have some applyable integrity-rules, Nass Jo.
>> 
>> You could even say that all files,
>> having usable content,
>> are databases, 
>> so a corrupted database is not a database, Jo.
> 
> Strange i always thought of a database as a set of relational
> records/datasets, the first databases was not multiuser and had no
> integrity rules? 

I did not talk about multi-user, even while a database does not mind in 
itself what user uses it. If you mean concurrent use, that even now largely 
depends on the knowledge of the programmer.

> Nowadays they have.

Well No, a working database cannot exist without integrety rules.

Even a file with just a single number in it is a database, btw.
 
> A database is an organized collection of data.[1]

Why the [1]?

What would a disorganised collection of data look like?
Something without integrety rules, perhaps?

>  It is a collection of
> schemas, tables, queries, reports, views, and other objects. 

Not neccessarily, it is a collecion of one ore more pieces of data.

Even a file with just a single number in it is(/can be seen as) a database.

> I think you are wrong, it is the organisation of data into a tree by
> "threading" that constitute the database.

Well, I am reasonably sure to be right.

> The integrity and multiuser
> functionality come long after the first database. 

After the third, perhaps? Nonsense.

> The database was about
> not needing empty properties in records, that was the original purpose
> "well and not have to read out data sequentially. 
> 
> Am I wrong?

Yes. You are confused by thinking a special type of database, 
[perhaps the ones under MS-ACCESS or SQL-server] that are called "relational 
databases", are the only ones, however for instance huge distributed 
databases of Google are necessarily not of that kind. 

A database is JUST a collecion of one ore more pieces of data.

==========

Sometimes, when I need a limited set of changing data,
perhaps only one record with a number of fields,
it pays of to use a serverside file using "Scripting.FileSystemObject"
under ASP, bypassing the overhead of a dedicated database-engine,
and for instance being able to save dayly database-copies without much 
memory-impact.

Yes then I miss the concurrent multiuser safety, but also the always looming 
database deadlock.

-- 
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)

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Max size file jonas.thornvall@gmail.com - 2017-09-22 06:17 -0700
  Re: Max size file "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-22 19:26 +0200
    Re: Max size file jonas.thornvall@gmail.com - 2017-09-23 08:37 -0700
    Re: Max size file jonas.thornvall@gmail.com - 2017-09-23 08:44 -0700
      Re: Max size file "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-23 18:01 +0200
        Re: Max size file jonas.thornvall@gmail.com - 2017-09-23 09:09 -0700
          Databases, was: Re: Max size file "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-23 22:34 +0200
        Re: Max size file jonas.thornvall@gmail.com - 2017-09-23 09:15 -0700
          Re: Max size file "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-23 22:35 +0200
        Re: Max size file jonas.thornvall@gmail.com - 2017-09-23 09:26 -0700
          Databases, was: Re: Max size file "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-23 22:45 +0200
          Re: Max size file John G Harris <niam@jghnorth.org.uk.invalid> - 2017-09-24 10:58 +0100
            Re: Max size file "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-24 12:12 +0200
              Re: Max size file John G Harris <niam@jghnorth.org.uk.invalid> - 2017-09-24 12:06 +0100
                Re: Max size file "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-24 17:21 +0200
              Re: Max size file jonas.thornvall@gmail.com - 2017-09-24 10:07 -0700
                Re: Max size file "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-24 22:05 +0200
  Re: Max size file John-Paul Stewart <jpstewart@sympatico.ca> - 2017-09-23 15:20 -0400
    Re: Max size file "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-23 22:48 +0200

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