Replace join statements with select statement

[Former Member]

Hi,

I need an example of a join statement using 2 tables. Also the same as two select statements...........

[amit_khare]

Refer the link -

http://help.sap.com/saphelp_nw04/helpdata/en/fc/eb39c4358411d1829f0000e829fbfe/frameset.htm

Regards,

Amit

Reward all helpful replies.

[Former Member]

Hi,

see this,

REPORT demo_select_inner_join.

DATA: BEGIN OF wa,

carrid TYPE spfli-carrid,

connid TYPE spfli-connid,

fldate TYPE sflight-fldate,

bookid TYPE sbook-bookid,

END OF wa,

itab LIKE SORTED TABLE OF wa

WITH UNIQUE KEY carrid connid fldate bookid.

SELECT p_{carrid p}connid f_{fldate b}bookid

INTO CORRESPONDING FIELDS OF TABLE itab

FROM ( ( spfli AS p

INNER JOIN sflight AS f ON p_{carrid = f}carrid AND

p_{connid = f}connid )

INNER JOIN sbook AS b ON b_{carrid = f}carrid AND

b_{connid = f}connid AND

b_{fldate = f}fldate )

WHERE p~cityfrom = 'FRANKFURT' AND

p~cityto = 'NEW YORK' AND

f_{seatsmax > f}seatsocc.

LOOP AT itab INTO wa.

AT NEW fldate.

WRITE: / wa-carrid, wa-connid, wa-fldate.

ENDAT.

WRITE / wa-bookid.

ENDLOOP.

rgds,

bharat.

[Former Member]

Hi,

Select a_{vbeln b} posnr into table itab from vbep as a inner join lips as b

on a_{vbeln = b}vbeln

and a_{posnr = b}posnr

where a~vbeln in s_vbeln. (Select-option)

two select statements means if u want retrieve few fields only use that fields

example.

For few fields.

select vbeln posnr into corresponding fields of itab from VBEP where <Condition>

For all fields

Select * from VBEP into table ITAB where <Condition>

Similarly for LIPS.

[Former Member]

<b>1. SELECT command - Information and example code of how to use the select command</b>

The select command is the most fundamental function of writing ABAP programs allowing the retrieval ofdata from SAP database tables. Below are a few examples of the various ways of selecting data

*Code to demonstrate select command
*Code to demonstrate select into internal table command
TYPES: BEGIN OF t_bkpf,
*  include structure bkpf.
  bukrs LIKE bkpf-bukrs,
  belnr LIKE bkpf-belnr,
  gjahr LIKE bkpf-gjahr,
  bldat LIKE bkpf-bldat,
  monat LIKE bkpf-monat,
  budat LIKE bkpf-budat,
  xblnr LIKE bkpf-xblnr,
  awtyp LIKE bkpf-awtyp,
  awkey LIKE bkpf-awkey,
 END OF t_bkpf.
DATA: it_bkpf TYPE STANDARD TABLE OF t_bkpf INITIAL SIZE 0,
      wa_bkpf TYPE t_bkpf.

TYPES: BEGIN OF t_bseg,
*include structure bseg.
  bukrs     LIKE bseg-bukrs,
  belnr     LIKE bseg-belnr,
  gjahr     LIKE bseg-gjahr,
  buzei     LIKE bseg-buzei,
  mwskz     LIKE bseg-mwskz,         "Tax code
  umsks     LIKE bseg-umsks,         "Special G/L transaction type
  prctr     LIKE bseg-prctr,         "Profit Centre
  hkont     LIKE bseg-hkont,         "G/L account
  xauto     LIKE bseg-xauto,
  koart     LIKE bseg-koart,
  dmbtr     LIKE bseg-dmbtr,
  mwart     LIKE bseg-mwart,
  hwbas     LIKE bseg-hwbas,
  aufnr     LIKE bseg-aufnr,
  projk     LIKE bseg-projk,
  shkzg     LIKE bseg-shkzg,
  kokrs     LIKE bseg-kokrs,
 END OF t_bseg.
DATA: it_bseg TYPE STANDARD TABLE OF t_bseg INITIAL SIZE 0,
      wa_bseg TYPE t_bseg.


*Select directly into an internal table
SELECT bukrs belnr gjahr buzei mwskz umsks prctr hkont xauto koart
       dmbtr mwart hwbas aufnr projk shkzg kokrs
  FROM bseg
  INTO TABLE it_bseg.


* Select directly into an internal table where fields are in a
* different order or not all fields are specified 
SELECT bukrs belnr gjahr buzei mwskz umsks prctr hkont xauto koart
       dmbtr mwart hwbas aufnr projk shkzg kokrs
  FROM bseg
  INTO CORRESPONDING FIELDS OF TABLE it_bseg.


*Select... endselect command
SELECT bukrs belnr gjahr buzei mwskz umsks prctr hkont xauto koart
       dmbtr mwart hwbas aufnr projk shkzg kokrs
  FROM bseg
  INTO wa_bseg.

  APPEND wa_bseg TO it_bseg.
ENDSELECT.


*Select FOR ALL ENTRIES command
SELECT bukrs belnr gjahr bldat monat budat xblnr awtyp awkey
  UP TO 100 ROWS
  FROM bkpf
  INTO TABLE it_bkpf.

IF sy-subrc EQ 0.
* The FOR ALL ENTRIES comand only retrieves data which matches
* entries within a particular internal table.
  SELECT bukrs belnr gjahr buzei mwskz umsks prctr hkont xauto koart
         dmbtr mwart hwbas aufnr projk shkzg kokrs
    FROM bseg
    INTO TABLE it_bseg
    FOR ALL ENTRIES IN it_bkpf
    WHERE bukrs EQ it_bkpf-bukrs AND
          belnr EQ it_bkpf-belnr AND
          gjahr EQ it_bkpf-gjahr.
ENDIF.

<b>2.Proper use of Inner Join</b>

When multiple SAP tables are logically joined, it is always advisable to use inner join to read the data from them. This certainly reduces the load on the network.

Let us take an example of 2 tables, zairln and zflight. The table zairln has the field airln, which is the airline code and the field lnnam, which is the name of the airline. The table zflight has the field airln, the airline code and other fields which hold the details of the flights that an airline operates.

<b>Since these 2 tables a re logically joined by the airln field, it is advisable to use the inner join.</b>

  Select a~airln a~lnnam b~fligh b~cntry into table int_airdet
            From zairln as a inner join zflight as b on a~airln = b~airln.

In order to restrict the data as per the selection criteria, a where clause can be added to the above inner join.

reward points if it si usefull....

Girish

[Former Member]

Hi

I want to split up the following join statement into 2 select queries

SELECT SINGLE A~<field>

FROM <table1> AS A INNER JOIN <table2> AS B

ON A_{<f1> EQ B}<f1>

INTO itab-<f2>

WHERE B~<f1> EQ itab-<f1>.