Should we index table vbfa if vbeln and vbelv is already key field.

Dear All,
actually I am passing billing document into vbfa and want vbelv for faster access data from data base into internal table
should we index table vbfa if vbeln and vbelv is already key field.
Regards
chandrashekar

no need.

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hi ,
check this..
report.
tables: marc,mard.
data: begin of itab occurs 0,
      matnr like marc-matnr,
      werks like marc-werks,
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      end of itab.
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      lgort like mard-lgort,
      end of itab1.
parameters:p_matnr like marc-matnr.
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       pstat
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       where matnr = p_matnr.
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select matnr
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thanks very much!

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Hi All,
According to the requirement I have to make the CURR type field as the key field in one of the table. But dureing activation it's throwing the below warning :
Key field <Field name> has num. type CURR: Buffering not possible, Transport restricted
Message no. DT607
Diagnosis
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Procedure
You can enter "no buffering" as an attribute of the technical settings and then repeat the activation process. The table is not buffered.
If you want to buffer the table, you must replace the type in the key field by a character type, i.e. that you must modify the table.
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I have a dynamic internal table created.
In the dynamic internal table,
How to concatenate all the primary keys of that row concatenated into a string and non primary keys into a different string.
Can some one help me on this.
E.g:
Itab1 has 3 Primary fields and 3 Non primary key fields and it has 2 records.
Table     col1     col2     col3     col4     col5     col6
Row1     AA     AB     AC     1     2     3
Row2     ZA     ZB     ZC     1     2     3
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Itab2 will have the concatenate strings
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Row1        AAABAC                      010203
Row2        ZAZBZC                       010203
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C,
Try something like this - Use an ASSIGN in a LOOP:
data: lv_PK type string.
data: lv_non_PK type string.
field-symbols: lv_str type string.
assign local copy of initial line of gt_table to <ls_table>.
loop at gt_table. " this is your table.
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      if n < 4.
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         concatenate <lv_str> to lv_PK.
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Key fields in variant tables.

Hi masters,
i would like to know the use of "key field" in variant tables.
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please give an example of its usage,
thanks regards
Rahul

Hello Rahul,
Please view the following link with the explaination and an example.
http://help.sap.com/saphelp_47x200/helpdata/EN/92/58c5cd417011d189ec0000e81ddfac/frameset.htm
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How to make a key field manadatory, in a Z-Table (SE11)

Hi,
I've created a Z-table is se11 and one of the key fields is IWERK. Now the user does not want this field to be blank when they enter data into the table via SM30.
Does anyone know how to make this field so that a blank entry is not acceptable.
Many Thanks!

Hi Robert!
One way would be to adjust SM30 to a mandatory field (in SE11 of course), but this field sounds like you can assign T001W as a check table. In the foreign key definition, you can give a error message, which is called in case of wrong entries in screens -> there is no empty entry in T001W, you can only maintain valid values and got a value list.
Regards,
Christian
P.S.: No, you need to change SE11->Table maintenance generator->Enviroment->Modification->Maintenance Screens->Element list->Tab Special attr. column Input. Set 'required'. Otherwise empty is still allowed
Message was edited by: Christian Wohlfahrt

Can we create table maintence generator with out key field

Hi,
I have created a ztable in that client is the primary key as I don't want any other field as primary key.
For this i have created table maintenace generator but when i open it in sm30 blnak screen is coming.
Here my question is can we create a table maintenace generator with out key field other than MANDT.
If it's possible please let me know.
Regards
hari

>
Mathews Joseph wrote:
> I agree to the above points , but you can try one thing.
>
> When you create the table maintenance screen , from SE11 you assign a function group.
>
> Double click on the function group and you can go to the main program and open that in SE80, take screen generated and try manually adjusting the screen and putting the non key field details...
>
> Not sure this will work , but may be you can give it a try.
>
> Mathews
But the table could hold at most a single record (per client). The design is lacking.
Rob

Can I di Inner Join on 2 tables by using only 1 key field?

Hello,
I hv 2 Std. SAP tables, KNVV, KNKK.
- KNVV - does hv 2 key fields (KUNNR and some other, say X)
- KNKK - does hv 2 key fields (KUNNR and some other,say Y)
I want to build a inner join on these 2 tables.
So, Can I do a INNER JOIN on these 2 tables by using ONLY one key field (its KUNNR)? bcoz, there is ONLY common field!!
thank you

Hi,
The correctness depends on your bussiness requirement. If the common key field is not a primary key, you may end up fetching duplicate entries which you may have to delete after the select query. You dont have to take of any extra precautions in a inner join select query compared to a ordinary select query. Just make sure you use most of the primary key fields of both the tables in the where clause of the select query for better performance
Vikranth

Secondary index on vbfa table

I have very expensive statement running against VBFA table. It comes from a customer report and doing SQL:
SELECT /*+ FIRST_ROWS */ "VBELV"
FROM "VBFA"
WHERE "MANDT" = :A0 AND "VBELN" = :A1 AND ROWNUM <= :A2
It has execution plan:
SELECT STATEMENT ( Estimated Costs = 96.009 , Estimated #Rows = 41 )
|
--- COUNT STOPKEY
|
INDEX RANGE SCAN VBFA~0
As you can see it is very expensive statement because VBFA is huge table and because I have only VBFA~0 index with columns:
UNIQUE Index VBFA~0
COLUMN DISTINCT VALUES
MANDT      1
VBELV       1.589.207
POSNV      4.184
VBELN       3.202.114
POSNN       58.173
VBTYP_N    18
In order to improve performance of this report , would you recomend creating secondary index and would it be on columns: MANDT, VBELN, VBELV
I have not seen this type of secondary index in SAP community (most of the time I see sec.index on mandt, vbeln and posnn columns) so that is why I want to double check it before I deploy it.
Regards,
Andrija

Hi,
Indexes speed up access to rows in a table. They can be created for a single column or for a series of columns.
MANDT AND VBELN does not have index then create indexes on these columns.
The explain statement can be used to check the effect of creating or deleting indexes (see index) on the choice of search strategy for the specified SQL statement. You can also estimate the time needed by the database system to process the specified SQL statement. The specified QUERY or SINGLE SELECT statement is not executed while the EXPLAIN statement is being executed.
To be frank to analyze you shd generate trace file and you need to analyze.
Oracle claims that <b>first_rows_n</b> optimization results in faster response time for certain queries, we must remember that the performance is achieved via a change to the costing.
Use the FIRST_ROWS hint when you need only the first few hits of a query. When you need the entire result set, do not use this hint as it might result in poorer performance.
So collect stats,Analyze table create index your query will execute faster.
Analyze in trace file generated.Want to know indexes are used or not have a look on Explain Plan.
Regards
Vinod

VBFA vbeln and bsad vbeln

dear gurus,
I stuck with such very strange problem i have a internal table from entries of vbfa
now i am passing vbeln to bsad vbeln but it not fetching all record i am not getting problem.
kindly help me.
TYPES : BEGIN OF TY_BSID ,
          BUKRS TYPE BSID-BUKRS,
          KUNNR TYPE BSID-KUNNR,
          GJAHR TYPE BSID-GJAHR,
          BELNR TYPE BSID-BELNR,
          BUDAT TYPE BSID-BUDAT,
          BLDAT TYPE BSID-BLDAT,
          XBLNR TYPE BSID-XBLNR,
          BUZEI TYPE BSID-BUZEI,
          BLART TYPE BSID-BLART,
          BSCHL TYPE BSID-BSCHL,
          DMBTR TYPE BSID-DMBTR,
          HKONT TYPE BSID-HKONT,
          VBELN TYPE BSID-VBELN,
          KIDNO TYPE BSID-KIDNO,
          TXT20 TYPE SKAT-TXT20,
          MATNR TYPE VBAP-MATNR,
          END OF TY_BSID.
DATA : WA_BSID TYPE TY_BSID,
         IT_BSID TYPE TABLE OF TY_BSID WITH HEADER LINE.
TYPES : BEGIN OF TY_VBFA,
         VBELV TYPE VBFA-VBELV,
         MATNR TYPE VBFA-MATNR,
         VBELN TYPE bsad-VBELN,
         END OF TY_VBFA.
DATA : WA_VBFA TYPE TY_VBFA,
         IT_VBFA TYPE TABLE OF TY_VBFA WITH HEADER LINE.
IF IT_VBAK[] IS NOT INITIAL.
    SELECT VBELV MATNR VBELN FROM VBFA INTO TABLE IT_VBFA FOR ALL ENTRIES IN
                      IT_VBAK WHERE VBELV = IT_VBAK-VBELN.
ENDIF.
loop at it_vbfa into WA_VBFA.
   CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
       EXPORTING
         INPUT         = WA_VBFA-vbeln
      IMPORTING
        OUTPUT        = WA_VBFA-vbeln.
*MODIFY IT_vbfa FROM WA_VBFA TRANSPORTING vbeln.
*endloop.
IF IT_VBFA[] IS NOT INITIAL.
   loop at it_vbfa into WA_VBFA.
    SHIFT WA_VBFA-vbeln LEFT DELETING LEADING '0'.
    MODIFY IT_vbfa FROM WA_VBFA TRANSPORTING vbeln.
    endloop.
     sort it_vbfa by vbeln ASCENDING.
   if S_BUDAT-low is not INITIAL.
    SELECT BUKRS KUNNR GJAHR BELNR BUDAT BLDAT XBLNR BUZEI BLART BSCHL DMBTR HKONT VBELN   KIDNO " MATNR
      FROM BSID INTO CORRESPONDING FIELDS OF TABLE IT_BSID FOR ALL ENTRIES IN
      IT_VBFA WHERE VBELN = IT_VBFA-VBELN
            AND BUKRS IN S_BUKRS AND
                 BLART IN ('RV','VR') and
                 BUDAT in S_BUDAT.
    SELECT BUKRS KUNNR GJAHR BELNR BUDAT BLDAT XBLNR BUZEI BLART BSCHL DMBTR HKONT VBELN   KIDNO
     FROM BSAD APPENDING CORRESPONDING FIELDS OF TABLE IT_BSID FOR ALL ENTRIES IN
     IT_VBFA WHERE VBELN = IT_VBFA-VBELN
          AND BUKRS IN S_BUKRS AND
               BLART IN ('RV','VR') and
               BUDAT in S_BUDAT.
i have done lot of changes because vbfa-vbeln and bsad-vbeln data element diffrent.
HELP ME
Regards
victor

Hi,
First you have check internal table 'IT_VBAK' data. If data is available in internal table then again you have to check the data in database table BSAD and VBFA also based on internal table data. I think the data is not available in database table based on internal table data.
Ram.

Should we index table vbfa if vbeln and vbelv is already key field.

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