write dynamic query for joining two table and display both tables..if one foreignkey not exist then display only master tables recored...

Question

2.50/5 (2 votes)

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hi,
i have two tables and i write this query..
it successfully worked but only when
partner_master have a regid value
.
and i want that
if partner_master table has not regisd then only register_master display its record
if partner_master have regid value then both tables value display.

-----------
how to write dynamic query ??
------------
two tables
===========
1) register_master
2) partner_master
------------------------------

SQL

@param varhcar(100)=null,
@regid bigint=0,
@sql_query varchar(max)=null

if @param='profile_detail'
    begin
        select * from Register_Master join Partner_Master
        on Register_Master.Reg_Id=Partner_Master.Reg_Id
        where
        Register_Master.Reg_Id=@regid;
    end

-----------
write dynamic query in @sql_query parameter.
-------------------------------

Posted 8-Mar-14 21:25pm

Manish Dalwadi

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Peter Leow · Accepted Answer · 2014-03-08T22:01:00

Solution 1

Try LEFT JOIN

SQL

select * from Register_Master LEFT JOIN Partner_Master
on Register_Master.Reg_Id=Partner_Master.Reg_Id
where
Register_Master.Reg_Id=@regid

Find out more on Visual Representation of SQL Joins[^]

Posted 8-Mar-14 22:01pm

Peter Leow

Updated 8-Mar-14 22:02pm

v2

Comments

Manish Dalwadi 9-Mar-14 4:05am

hey dr...
thank you thank you so so so much..

Peter Leow 9-Mar-14 4:11am

You are welcome, do accept the solution and vote.
Wonder why it was voted down?