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Home arrow Tips and Tricks arrow ABAP Reports arrow Sort during Select vs. ABAP sort
Sort during Select vs. ABAP sort PDF Print E-mail
User Rating: / 1
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Written by Anon.   
Friday, 09 March 2007

ABAP provides 2 methods of sorting.  One is executing the sort on the database server and the other is executing the sort on the application server.
   

DON'T
Example: Sorting data within select statement
    SELECT MATNR WERKS DISPO
           FROM MARC
           INTO TABLE T_MARC
           WHERE DISMM = 'ND'
           ORDER BY DISPO MATNR.
-> Sort is executed on database server

DO  
Example: Sorting data within ABAP
    SELECT MATNR WERKS DISPO
           FROM MARC
           INTO TABLE T_MARC
           WHERE DISMM = 'ND'.
    SORT T_MARC BY DISPO MATNR.
-> Sort is executed on application server

Recommendation:
    
  • Sorting should take place on the application server.
  • In general, sorting large amounts of data on database server adversely affects overall system performance

Related Items:
Last Updated ( Friday, 09 March 2007 )
 
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