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* i need solution to this problem
@ 2006-06-28 05:45 Penchalaiah P. <penchalaiahp@infics.com>
2006-06-28 07:34 ` Re: i need solution to this problem Ragnar <gnari@hive.is>
0 siblings, 1 reply; 3+ messages in thread
From: Penchalaiah P. @ 2006-06-28 05:45 UTC (permalink / raw)
To: pgsql-sql
Hi good morning to all........
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..
Like that if I give per_no I have to get cdacno from emp_table.. .. With
this I have to display rank_name from rank_table ,name from emp_table,
unit_name from unit_master..
Doing these things first it has to check when we r giving cdacno..
whether per_no is null or not.. like this if I give per_no it has to
check cdacno is null or not.
Let me know the solution..
But I written one function to this to get per_no if I give
cdacno......................
Thanks & Regards
Penchal reddy | Software Engineer
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^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: i need solution to this problem
2006-06-28 05:45 i need solution to this problem Penchalaiah P. <penchalaiahp@infics.com>
@ 2006-06-28 07:34 ` Ragnar <gnari@hive.is>
2006-06-28 11:43 ` Re: i need solution to this problem Richard Broersma Jr <rabroersma@yahoo.com>
0 siblings, 1 reply; 3+ messages in thread
From: Ragnar @ 2006-06-28 07:34 UTC (permalink / raw)
To: Penchalaiah P. <penchalaiahp@infics.com>; +Cc: pgsql-sql
On mið, 2006-06-28 at 11:15 +0530, Penchalaiah P. wrote:
> 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?
gnari
>
^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: i need solution to this problem
2006-06-28 05:45 i need solution to this problem Penchalaiah P. <penchalaiahp@infics.com>
2006-06-28 07:34 ` Re: i need solution to this problem Ragnar <gnari@hive.is>
@ 2006-06-28 11:43 ` Richard Broersma Jr <rabroersma@yahoo.com>
0 siblings, 0 replies; 3+ messages in thread
From: Richard Broersma Jr @ 2006-06-28 11:43 UTC (permalink / raw)
To: Ragnar <gnari@hive.is>; Penchalaiah P. <penchalaiahp@infics.com>; +Cc: pgsql-sql
> > 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.
^ permalink raw reply [nested|flat] 3+ messages in thread
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2006-06-28 05:45 i need solution to this problem Penchalaiah P. <penchalaiahp@infics.com>
2006-06-28 07:34 ` Ragnar <gnari@hive.is>
2006-06-28 11:43 ` Richard Broersma Jr <rabroersma@yahoo.com>
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