Dynamically adding filters in where clause in sql server

Hello I have a question,
may be asked many times but could not find a thread,
I have 8 parameters,... and user can select any of these parameters they can select 3,4 or all 8.
I know we could use dynamic sql for this, because the sql is same.. just the where clause changes as how many parameters we are selecting,
i am using sql server 2012.. is there a easy way to manage this,
Please let me know.

Consider static (dynamic) search:
http://www.sommarskog.se/dyn-search.html
Alternative, dynamic SQL:
http://www.sqlusa.com/bestpractices/dynamicsql/
Kalman Toth Database & OLAP Architect
SQL Server 2014 Database Design
New Book / Kindle: Beginner Database Design & SQL Programming Using Microsoft SQL Server 2014

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Include dynamic conditions in the where clause

Hi All,
I have an requirement where i need to dynamically include the conditions in the where clause based on the bind variable.
My condition is like this.
SELECT f.scheduled_date, a.bld_id, a.room_id, a.cage_id, f.test_num
FROM feeding_test_results f,
v_onl_gf_anmls a
WHERE f.sak_feeding_test_res > 5000000
AND f.anml_id(+) = a.anml_id
AND f.bld_id = 'A5'
AND f.room_id > 0
AND f.cage_id > '0'
case when :check_value = 1 Then
AND scheduled_date <= '16-Apr-2009'
AND scheduled_date >= '06-Apr-2009'
Else
AND scheduled_date = '16-Apr-2009'
End
AND f.feeding_status <> 'X') f
Kindly anyone help me how to acheive this.
Thanks & Regards,
P. Gayathri Devi

michaels2 wrote:
and scheduled_date <= case when :check_value = 1 then date '2009-04-16' end
and scheduled_date >= case when :check_value = 1 then date '2009-04-06' end
and scheduled_date = case when not :check_value = 1 then date '2009-04-16' end
Hmmm, you may want some NVL's around those case statements such as..
       and scheduled_date <= NVL(case when :check_value = 1 then date '2009-04-16' end,scheduled_date)
       and scheduled_date >= NVL(case when :check_value = 1 then date '2009-04-06' end,scheduled_date)
       and scheduled_date = NVL(case when not :check_value = 1 then date '2009-04-16' end,,scheduled_date)or some such thing. Otherwise the comparisons with Null will just cause it all to fail.

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How can I restrict access to the new rows to one group only. I know that I can let a certain group only look at certain data but how can I restrict that all others cannot look at the same.
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Where clause in sql query for updateable report

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Dynamic query in where clause while looping in an internal table.

Hi,
Had a small question : How can i make a dynamic query for the WHERE clause while looping at an internal table.
i want to implement a dynamic where clause query for the below example.
it_cfx_col is an internal table and wa_cfx_col is a work area for it_cfx_col
DATA :
i_cfx_col TYPE TABLE OF cfx_col,
wa_cfx_col LIKE LINE OF i_cfx_col.
DATA : count TYPE i VALUE 0.
DATA : l_where_clause TYPE string,
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l_name = 'NANDANOM'.
l_scenario = 'collaboration'.
LOOP AT it_cfx_col INTO wa_cfx_col
WHERE CREATED_BY = l_name
AND SCENARIO = l_scenario.
count = count + 1.
some business logic implemented using the work area wa_cfx_col
endloop.
Now i want to write a dynamic query for the where clause.
DATA : count TYPE i VALUE 0.
DATA : l_where_clause TYPE string,
         l_where_clause2 TYPE string,
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l_name = 'NANDANOM'.
l_scenario = 'collaboration'.
l_where_clause = 'CREATED_BY = l_name'.
l_where_clause2 = 'AND SCENARIO = l_scenario'.
if l_scenario is not initial.
CONCATENATE l_where_clause l_where_clause2
INTO l_where_clause SEPARATED BY space.
endif.
LOOP AT i_cfx_col INTO wa_cfx_col
WHERE (l_where_clause).
count = count + 1.
some business logic implemented using the work area wa_cfx_col
endloop.
when i compile this i get an error message as { Statement concluding with "...(l_where_clause)" ended unexpectedly}
Even i changed the initilization of the variable l_where_clause2 to [ l_where_clause2 = 'AND SCENARIO = l_scenario.'. ]
added the end of line demarkation ".", but still i got the same error message.
Is it a limtation in ABAP that i cannot write a dynamic query for the where clause while looping at an internal table?
Regards,
om

Hi savita,
there in no such 1 limitaion in abap for dynamic query .. i think the error meassge is only beacuse of your synatx delcartaion.
>> LOOP AT i_cfx_col INTO wa_cfx_col
   WHERE (l_where_clause).
   count = count + 1.
some business logic implemented using the work     area    wa_cfx_col
   endloop.
afted delclarataion also , in the where statement you should specify both the field name and value bname
   LOOP AT i_cfx_col INTO wa_cfx_col
   WHERE l_where_clause = 'CREATED_BY = l_name' .
   count = count + 1.
hope it helps.
regads
priya.

Dynamically adding filters in where clause in sql server

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