OPEN SQL in ABAP
OPEN SQL commands that are used on database tables are
- COMMIT WORK
SELECT is used for getting records from dbtable.
- SELECT…. FROM TABLE INTO ITAB.
INSERT is for adding new records to dbtable.
- INSERT DBTAB FROM WA.
- INSERT INTO DBTAB VALUES WA.
workarea records will be transferred to dbtable.
- INSERT DBTAB FROM TABLE ITAB.
after the execution of this
SY-DBCNT contains no. of records added
SY-SUBRC is 0 if operation is successful
is 4 if operation is failed
UPDATE is for changing the contents of existing records.
- UPDATE DBTAB SET FLDI = VAL1 FLD 2 = VAL2….
all records field values will be modified.
Use where clause to process few records.
Ex. UPDATE SPFLI SET CARRID = ‘AN’WHERE CARRID = ‘AP’.
UPDATE DBTAB FROM WA.
the record which is matched with workarea record according to its PRIMARY KEY fields will be modified
- UPDATE DBTAB FROM TABLE ITAB.
SY-DBCNT & SY-SUBRC will be set accordingly
sy-subrc is 0 if atleast one record is updated.
MODIFY is the combination of INSERT and UPDATE commands
- MODIFY DBTAB FROM WA.
- MODIFY DBTAB FROM TABLE ITAB.
if the record is already existed it will be UPDATED.
if the record is not there it will be INSERTED
SY-DBCNT & SY-SUBRC will be set accordingly.
COMMIT WORK is used to make above operations permanent.
ROLLBACK WORK is used to cancel the above operations.
These are used in module pool programming.
Do not modify the records of standard tables of database server through simple programs.
They must always be updated by standard transactions only.
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Good info, thanks. I am keen to learn BW related ABAP, is there any online ABAP editor to practice and test the code? I am not in a position to spend a fortune urrently, any advice will be much appreciated. Thanks