Select single records behalf of condition

some time we get this type requirement to select single records behalf of condition so this code help to to write logic to select single records behalf of 
condition below code help to to show fetch URL TO database and display in export parameter  


FUNCTION zbanner_fm.
*"----------------------------------------------------------------------
*"*"Local Interface:
*"  EXPORTING
*"     VALUE(EX_BANNER_1_1) TYPE  /SAPSMOSS/URL
*"     VALUE(EX_BANNER_1_2) TYPE  /SAPSMOSS/URL
*"     VALUE(EX_BANNER_1_3) TYPE  /SAPSMOSS/URL
*"     VALUE(EX_BANNER_2_0) TYPE  /SAPSMOSS/URL
*"----------------------------------------------------------------------
  DATA gt_zbanner_home TYPE STANDARD TABLE OF zbanner_home,
         gs_zbanner_home TYPE                  zbanner_home,
         lv_max          TYPE                             i.

* change by Rohini kumar date 4/08/2018
  SELECT MAXseq_no FROM zbanner_home INTO gs_zbanner_home.
  lv_max gs_zbanner_home-seq_no.
  CLEAR gs_zbanner_home.
  SELECT SINGLE  seq_no  banner_1_1 banner_1_2 banner_1_3 banner_2_0
      FROM zbanner_home
      INTO gs_zbanner_home-seq_nogs_zbanner_home-banner_1_1,gs_zbanner_home-banner_1_2,gs_zbanner_home-banner_1_3,gs_zbanner_home-banner_2_0 )
      WHERE seq_no lv_max .
  IF sy-subrc IS INITIAL.
    ex_banner_1_1   gs_zbanner_home-banner_1_1.
    ex_banner_1_2   gs_zbanner_home-banner_1_2.
    ex_banner_1_3   gs_zbanner_home-banner_1_3.
    ex_banner_2_0   gs_zbanner_home-banner_2_0.
  ENDIF.
**************************** End of change *********************************************
ENDFUNCTION.


*********************************************************************************RICEF
Reports interface Converstion , Enhancements , Forms
Classical Reports ALV Programming, ALE/ IDOC
BDA Programming, Call Transcation , SAP Script, Smartforms, Adove forms,
SAP T-CODE
MM FLOW , SD FLOW , SE11,SE18 ,SE24,SE30, SM12,ST22, SE41, SE51, SE80,SE84
SE90,SE10,SE09,SE03,
Getway T-Code
/IWFND/GW_CLIENT
/IWFND/ERROR_LOG
/IWFND/APPS_LOG
/IWBEP/VIEW_LOG
/IWFND/CACHE_CLEANUP
/IWFND/TRACES


*********************************************************************************

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