General questions in abap programming

Question

hi
i have some questions in abap.
They are as follows.
1) What you like in SAP and what you don't like?(Interview question)
2) In LSMW please explain about 6th step, maintain fixed values, translations, user defined subroutines?
3) how to create views? ( for example view of three tables in place of using JOIN)
4) Explain with some examples READ statements.
5) explain about events of AT Selection-Screen (7 events) example, when to use.
waiting for ur reply
regards,
maqsood

Answer 1

Hi,
for the first you need to think............. and for the rest below links and details might help you.
2)
http://www.sap-img.com/sap-data-migration.htm
3)
http://help.sap.com/saphelp_nw04/helpdata/en/cf/21ec5d446011d189700000e8322d00/content.htm
4)
Reading an Internal Tables
- READ TABLE itab FROM wa [additions].
- READ TABLE itab WITH TABLE KEY k1 = v1 ...kn = vn
                                             [additions].
- READ TABLE itab WITH KEY k1 = v1 ...kn = vn
                             [BINARY SEARCH] [additions].
- READ TABLE itab INDEX i [additions].
In an ABAP Objects context, a more severe syntax check is performed that in other ABAP areas. See Short forms of line operations not allowed.
<b>Effect</b>
Reads an entry from an DS:ABEN.ITAB>internal table, using either its key or its index. The return code SY-SUBRC specifies whether an entry could be read. If you specify a non-unique key (the table must have a NON-UNIQUE key for this to be valid) , the system returns the entry with the lowest index from the set of entries that meet the condition.
Reading a Line of a List
- READ LINE line.
- READ LINE line OF CURRENT PAGE.
- READ LINE line OF PAGE pag.
- READ CURRENT LINE.
Reading a Program
- READ REPORT prog INTO itab.
Reading Text Elements
- READ TEXTPOOL prog ...INTO itab ...LANGUAGE lg.
Reading File
- READ DATASET dsn INTO f.
Reading a Database Table
- READ TABLE dbtab.
Finding Calendar Information
- in R/2: READ CALENDAR.
5)
http://help.sap.com/saphelp_46c/helpdata/en/fc/eb2d67358411d1829f0000e829fbfe/content.htm
remember to reward points and also close the thread if it helps you
regards,
venu