Re: Help me about postgreSql code - Mailing list pgsql-general

From John R Pierce
Subject Re: Help me about postgreSql code
Date
Msg-id 4B589E10.8040704@hogranch.com
Whole thread Raw
In response to Help me about postgreSql code  (Elian Laura <eling.laura@gmail.com>)
Responses Re: Help me about postgreSql code  (Mark Morgan Lloyd <markMLl.pgsql-general@telemetry.co.uk>)
List pgsql-general
Elian Laura wrote:
> i understand, but why my teacher wrote in his paper.."Probably the
> most obvious case is a database engine where the user defines, at run
> time, if a field is integer, char, float, etc. but, it is not
> necessary to compile the program again. All this felxibility must be
> ........."

I have no idea why your teacher wrote that.   You should ask them.

in a relational database, all data fields are typed.   the only "user
input" that Postgres processes is the SQL language, and thats a full
blown complex language parser, the internals of which I have little
desire to take apart.



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