From: Richard Broersma Jr <rabroersma@yahoo.com>
To: Ragnar <gnari@hive.is>
To: Penchalaiah P. <penchalaiahp@infics.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: i need solution to this problem
Date: Wed, 28 Jun 2006 04:43:55 -0700 (PDT)
Message-ID: <20060628114355.48693.qmail@web31806.mail.mud.yahoo.com> (raw)
In-Reply-To: <1151480049.28621.29.camel@localhost.localdomain>
> > I have tables like 1) emp_table (personal_no integer (foreign key),
> > cdacno varchar (primary key),name varchar);
>
> > 2) Rank_table (rank_id varchar (primary key), rank_name varchar);
>
> > 3) Rank_date_table (rank_id (foreign key), rank_date date);
>
> > 4) Unit_table (unit_id varchar (primarykey), unit_name varchar);
>
> > 5) Personal_table (per_no varchar (primary key), pername varchar);
>
> > My query is ….if I give cdacno I have to get per_no from
> > personal_table.. With this I have to display rank_name from
> > rank_table ,name from emp_table, unit_name from unit_master..
>
> it is not clear what the relationships are between the tables. for
> example what is the foreign key to unit_table?
>
> how does the rank connect to emp_table or personal_table?
yes. in addition to this, it seems that
emp_table references personal_table
on personal_no = per_no.
But it is not clear how this is the case when personal_no is an integer and per_no is a varchar.
Regards,
Richard Broersma Jr.
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To: pgsql-sql@postgresql.org
Cc: rabroersma@yahoo.com, gnari@hive.is, penchalaiahp@infics.com
Subject: Re: i need solution to this problem
In-Reply-To: <20060628114355.48693.qmail@web31806.mail.mud.yahoo.com>
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