Latest record from database table

Hi all,
I am using select statement on a database table. The table contains records, and each one has an effective date.
effective dt record Rate
01/01/1800 R1 40
01/01/2007 R1 30
01/01/1800 R2 40
I want to select rates corresponding to R1 and R2. For R2, the rate is 40, but i need the rate 30 and not 40 for R1, because rate 30 has the most recent effective date. Please tell me if i can do this in the select query itself...
Please help me...
Thanks
Pranati.

Hi,
Try this..
Ranges: r_bukrs for bkpf-bukrs.
LOOP AT l_t_records.
Build the range.
r_bukrs-sign = 'I'.
r_bukrs-option = 'EQ'.
r_bukrs-low     = l_t_records.
append r_bukrs.
ENDLOOP.
SORT r_bukrs by low.
DELETE adjacent duplicates from r_bukrs comparing low.
SELECT max( zeff_dt ) bukrs zbrdn kostl hkont INTO TABLE l_t_brdncalc
FROM zfpbrdn
WHERE bukrs IN r_bukrs
GROUP BY zbrdn.   " I am not sure of the record field..But you have to give
                              " GROUP BY clause..give the correct field..
Hope this helps..
Thanks,
Naren

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In general, unless you are storing a timestamp as part of the row or you have some sort of auditing in place, Oracle has no idea what the "first" or "last" record in a table is. Nor does it track when a row was inserted.
- If you have the archived logs from the point in time when the row was inserted, you could use LogMiner to find the timestamp
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Moderator message - Please search before asking - post locked
Edited by: Rob Burbank on Dec 11, 2009 9:44 AM

abhi,
just imagine the table to be BSEG or FAGLFLEXA... then what would be performance of the code ?
any ways,
jyotsna, first check if you have a pattern to follow like if the primary key field have a increasing number range or it would be great if you find a date field which stores the inserted date or some thing..
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how to select a record from data-base table for current month in module-pool, i.e if current month is august then records selected should between 1/08/10 to 31/08/10.
And, i also want to select records for last month i.e if current month is august then records selected should be between 1/07/10 to 31/07/10.
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Moderator message: you chose a better forum this time, but the question is still too basic to be asked here, please (re)search yourself first, these forums are not catering to beginners.
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Hi Nishant,
You can use the option ORDER BY in your SELECT clause.
This is the SAP Documentation for ORDER BY option.
Variant 1
...ORDER BY PRIMARY KEY
Effect
Sorts the selected lines in ascending order by the primary key of the database table. This variant is only permitted for SELECT * ....
Notes
Since views do not have a primary key, specifying ORDER BY PRIMARY KEY only makes sense with database tables. If, however, you do specify ORDER BY PRIMARY KEY with a view, all fields of the view are sorted in ascending order.
Variant 2
ORDER BY f1 ... fn
Effect
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By supplementing the statement with DESCENDING, you can sort in descending order using any of the fields f1, ..., fn.
The default sort sequence is ascending order, but you can make this explicit by adding the addition ASCENDING.
Consider this code this will select the latest 10 records form DB table(Note can use Variant 2 for DB tables also.
REPORT zarun_1.
DATA : it_mara TYPE STANDARD TABLE OF mara WITH HEADER LINE.
START-OF-SELECTION.
SELECT * FROM mara
 INTO TABLE it_mara
 UP TO 10 ROWS "No of rows you need(give 1 here)
 ORDER BY matnr DESCENDING. "Specify the Key Fields here.
LOOP AT it_mara.
 WRITE : / it_mara-matnr,
 it_mara-mtart.
ENDLOOP.
Regards,
Arun Sambargi.
Message was edited by: Arun Sambargi

Deletion of a particular record from database table

hai friends,
i want to delete (or) insert particular record from predefined sap table... that is with out module pool programming... can i delete or insert a record to or from the table..
thanks in advance
@jay

hi,
ucan do it without module pool programming in your normal report program.
To insert a line into an index table, use the statement:
INSERT <line> INTO <itab> [INDEX <idx>].
<line> is either a work area that is convertible to the line type, or the expression INITIAL LINE. If you use <wa>, the system adds a new line to the internal table <itab> and fills it with the contents of the work area. INITIAL LINE inserts a blank line containing the correct initial value for each field of the structure.
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You should take particular care when programming the WHERE clause to ensure that you do not delete the wrong lines. For example, if you specify an empty internal table in a dynamic WHERE clause, all of the lines in the table are deleted.
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regards,
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Hi,
Please follow the steps below:
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Hi all,
it seems very simple question for you, but i got stuck here.
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Yes when i press Execute Query it shows the records.
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How to delete the records from database table without using work area

Hi all,
The purpose of the down program is to delete the entire contents from all the tables. The deletion of the table should be in sorted manner. Is there any other way to write the code more efficiently,
TABLES: ZFFMCTL_AP, ZFFMHDR_AP, ZFFM_CHANGE_LOG, ZFFMDTL_AR, ZFFMHDR_AR, ZFFMDTL_JV, ZFFMHDR_JV, ZFFMDTL_SKF,ZFFMHDR_SKF,ZFINVOICE_DETAIL, ZFFMMASTER, ZFFMLOGREAD_CLUS, ZFFMCTL.
DELETE ZFFMCTL_AP.
IF SY-SUBRC = 0.
DELETE ZFFMMHDR_AP.
IF SY-SUBRC = 0.
DELETE ZFFM_CHANGE_LOG.
IF SY-SUBRC = 0.
DELETE ZFFMDTL_AR.
IF SY-SUBRC = 0.
DELETE ZFFMHDR_AR.
IF SY-SUBRC = 0.
DELETE ZFFMDTL_JV.
IF SY-SUBRC = 0.
DELETE ZFFMHDR_JV.
IF SY-SUBRC = 0.
DELETE ZFFMDTL_SKF.
IF SY-SUBRC = 0.
DELETE ZFFMHDR_SKF.
IF SY-SUBRC = 0.
DELETE ZFINVOICE_DETAIL.
IF SY-SUBRC = 0.
DELETE ZFFMMASTER.
IF SY-SUBRC = 0.
DELETE ZFFMLOGREAD_CLUS.
IF SY-SUBRC = 0.
DELETE ZFFMCTL.
ENDIF.
ENDIF.
ENDIF.
ENDIF.
ENDIF.
ENDIF.
ENDIF.
ENDIF.
ENDIF.
ENDIF.
ENDIF.
ENDIF.
Waiting for response,
Thanks in advance
John

Write this way....
TABLES: ZFFMCTL_AP, ZFFMHDR_AP, ZFFM_CHANGE_LOG, ZFFMDTL_AR, ZFFMHDR_AR, ZFFMDTL_JV, ZFFMHDR_JV, ZFFMDTL_SKF,ZFFMHDR_SKF,ZFINVOICE_DETAIL, ZFFMMASTER, ZFFMLOGREAD_CLUS, ZFFMCTL.
DELETE ZFFMCTL_AP.
CHECK SY_SUBRC = 0.
DELETE ZFFMMHDR_AP.
CHECK SY_SUBRC = 0.
DELETE ZFFM_CHANGE_LOG.
CHECK SY_SUBRC = 0.
DELETE ZFFMDTL_AR.
CHECK SY_SUBRC = 0.
DELETE ZFFMHDR_AR.
CHECK SY_SUBRC = 0.
DELETE ZFFMDTL_JV.
CHECK SY_SUBRC = 0.
DELETE ZFFMHDR_JV.
CHECK SY_SUBRC = 0.
DELETE ZFFMDTL_SKF.
CHECK SY_SUBRC = 0.
DELETE ZFFMHDR_SKF.
CHECK SY_SUBRC = 0.
DELETE ZFINVOICE_DETAIL.
CHECK SY_SUBRC = 0.
DELETE ZFFMMASTER.
CHECK SY_SUBRC = 0.
DELETE ZFFMLOGREAD_CLUS.
CHECK SY_SUBRC = 0.
DELETE ZFFMCTL.

Deleting records from database table

Hi Experts,
In this program i used Table Control.
Here i want to delete the selected Rows. But Here if i say delete the selected row , it is deleting the last row. Why ?
Please help me It's Urgent.
Thanks,
Basu
MODULE USER_COMMAND_9000 INPUT.
DATA: LV_FCODE LIKE SY-UCOMM.
LV_FCODE = SY-UCOMM.
CASE LV_FCODE.
    WHEN 'CHANGE'.
      FLG = 'Y'.
    WHEN 'DELETE'.
      FLG = 'Y'.
      LOOP AT I_MAKT.
        DATA NUM TYPE N.
        NUM = SY-TABIX.
        READ TABLE I_MAKT INDEX NUM INTO I_MAKT1-EMPID.
        MOVE I_MAKT1-EMPID TO I_MAKT2-EMPID.
      ENDLOOP.
      UPDATE ZEMPLOYE FROM TABLE I_MAKT.
      DELETE I_MAKT WHERE EMPID = I_MAKT2-EMPID.
      DELETE FROM ZEMPLOYE WHERE EMPID = I_MAKT2-EMPID.
      MESSAGE S001(YTC).
    WHEN 'INSERT'.
      MODIFY ZEMPLOYE FROM TABLE I_MAKT.
      MESSAGE S002(YTC).
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      SET SCREEN 0.
    WHEN 'EXIT' OR 'CANCEL'.
      LEAVE PROGRAM.
ENDCASE.
ENDMODULE.                 " USER_COMMAND_9000 INPUT

Hi,
See following link:
http://www.sapmaterial.com/tablecontrol_sap.html
Reward points if helpful.
Regards.
Srikanta Gope.

Dynamic record deletion from database table

Hi,
I need to delete selected records from database table(dynamic names). Table names are being passed from main program with some of their field names. The record to be deleted from the database table is being decided based on the fields passed for the table and their contains passed from the main program.
It is not possible to write dynamic where clause for DELETE statement directly.
So, I created a dynamic internal table and i am trying to fetch all records using SELECT statement(for which we can write dynamic where condition, something like...SELECT...WHERE (itab). ) which need to be deleted in the iternal table.
Piece of code :
 CONCATENATE c_im v_tablefield1 INTO v_imprtfield1.
 CONCATENATE v_tablefield1 c_in v_imprtfield1
 into s_condition separated by space.
 APPEND s_condition TO t_condition.
 PERFORM GET_DYNAMIC_ITAB USING s_flds_agtab-tabname
 changing t_itab.
 ASSIGN t_itab->* TO <itab>.
*Select the data (to be deleted) from the database table
 SELECT * FROM (s_flds_agtab-tabname) INTO TABLE <itab>
 WHERE (t_condition).
*Delete the records from the table
 IF SY-SUBRC = 0.
 DELETE (s_flds_agtab-tabname) FROM TABLE <itab>.
 ENDIF.
Here t_condition is of standard table of WHERETXT.
t_condition at the run time before giving dump was:
SPART IN IM_SPART
AND KUNNR IN IM_KUNNR
Here IM_SPART is renge type of SPART and IM_KUNNR is renge of KUNNR.
I am getting a DUMP:
The WHERE condition has an unexpected format.
Error analysis
The current ABAP/4 program attempted to execute an ABAP/4 Open SQL
statement containing a WHERE condition of the form WHERE (itab) or
WHERE ... AND (itab). The part of the WHERE condition specified at
runtime in the internal table itab contains the operator
 IN (v1, ..., vn)
in incomplete form.
How to correct the error
If the error occurred in a non-modified SAP program, you may be
able to find a solution in the SAP note system.
If you have access to the note system yourself, use the following
search criteria:
"SAPSQL_IN_ILLEGAL_LIST"
"SAPLZSD_TAB_REFRESH " or "LZSD_TAB_REFRESHU01 "
"Z_SD_REFRESH_AGTABLES"
If you cannot solve the problem yourself, please send the
following documents to SAP:
I would like to know whether "IN" operator is allowed in (itab) of WHERE clause. While testing I changed the "IN" to "=" specifying a suitable value there. It worked. So please let me know if i can give "IN" operator using renge table in the dynamic where clause.
Thanking you,
Surya

Hi again, so if you can not use the IN in a dynamic where clause you might be forced to dynamically build the entire select statement, Here is a sample program which may give you some ideas, notice that we are writing the select statement code, putting it in another program and generating the subroutine at runtime, then call this routine. I'm sure that this will help you see what you need to do.
report zrich_0003 .
tables: kna1.
types: t_source(72).
data: routine(32) value 'DYNAMIC_SELECT',
 program(8),
 message(128),
 line type i.
data: isource type table of t_source,
 xsource type t_source.
ranges:
 r_kunnr for kna1-kunnr.
data: ikna1 type table of kna1.
data: xkna1 type kna1.
r_kunnr-sign = 'I'.
r_kunnr-option = 'EQ'.
r_kunnr-low = '0001000500'.
append r_kunnr.
xsource = 'REPORT ZTEMP.'.
insert xsource into isource index 1.
xsource = 'FORM dynamic_select'.
insert xsource into isource index 2.
xsource = 'Tables r_kunnr ikna1.'.
append xsource to isource.
xsource = 'select * into table ikna1 from kna1'.
append xsource to isource.
xsource = 'where kunnr in r_kunnr.'.
append xsource to isource.
xsource = 'ENDFORM.'.
append xsource to isource.
generate subroutine pool isource name program
 message message
 line line.
if sy-subrc = 0.
perform (routine) in program (program) tables r_kunnr
 ikna1.
else.
write:/ message.
endif.
loop at ikna1 into xkna1.
write:/ xkna1-kunnr.
endloop.
Regards,
Rich Heilman

Delete from database Table

Hi,
To delete data from database table using internal table I am using following statement.
DELETE dbtab FROM TABLE itab.
Itab is a sorted table.Just wondering if table type matters while deleting database entries using internal table.which is efficient table type for deleting records from database table?
Regards
Nilesh

Hi Nilesh
The row type of the internal table must be a data object with at least the same length and alignment as the key structure of the database table. The key is read according to the structure of the table line, and not that of the row type. It is a good idea to define the row type with reference to the structure of the database table.
From SAP Help
DATA: BEGIN OF WA,
CARRID TYPE SPFLI-CARRID,
CONNID TYPE SPFLI-CONNID,
END OF WA,
ITAB LIKE HASHED TABLE OF WA
WITH UNIQUE KEY CARRID CONNID.
WA-CARRID = 'UA'. WA-CONNID = '0011'.
INSERT WA INTO TABLE ITAB.
WA-CARRID = 'LH'. WA-CONNID = '1245'.
INSERT WA INTO TABLE ITAB.
WA-CARRID = 'AA'. WA-CONNID = '4574'.
INSERT WA INTO TABLE ITAB.
DELETE SPFLI FROM TABLE ITAB.
Besides, it is so technical what algorithm is run to delete records from the DB table when an internal table is given. If you want you can have a quick test using GET TIME. However, it seems logical that if your internal table is sorted with respect to any index, especially the primary index, of the DB table this may increase performance.
Regards
*--Serdar <a href="https://www.sdn.sap.com:443http://www.sdn.sap.comhttp://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.sdn.businesscard.sdnbusinesscard?u=qbk%2bsag%2bjiw%3d">[ BC ]</a>

Deletion of Rec from Database table

Hi,
I need to delete records from database table based on a particular field as below.
DELETE FROM dbtable
        WHERE specid = specid .
Can U please help me in the syntax of the code.
I promise to reward.
Thanks & regards.

hi
try this
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Processing some records from internal table.

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My internal table contains material in lakhs.After fetching the record from database table MARA,i process each material to find out its characteristics.As there are too much records it is taking time, resulting in time out error abap dump. If i want to process first 5000 material then remaining 5000 and so on...what logic should i apply?or can there be any alternative solution?

Hi,
You can also check if the read statement has BInary Serach.
By Adding this it will improve performance.
Read statement will occupy lots of time to read the records.
Sort the Internal table with some key field and the use Binary Search for an internal table.
Ex :
SORT T_PRGEN by ATTR20A.
READ TABLE T_V_TCAV201 INTO WA_V_TCAV201 WITH KEY ATTRV20 = WA_PRGEN-ATTR20A BINARY SEARCH.
This should fix the issue.
Regards,
Kittu

Delete a record from a table in a Database with Database Connectivity

I can't find the function from the Database Connectivity library that allows me to delete a record from a table of the database. I tried to use DB Tools Free Object.vi function but this one deletes only the table created with a query.
Thankyou

I have used the sql query as described above and it works fine with access DB and the DB toolkit, the free object vi only deallocated a recordset's references this will noty alter the database since the record is a copy of the databases information. The SQL delete function is very versatile and you should be able to delete records with no problem.
Paul
Paul Falkenstein
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CLA, CPI, AIA-Vision
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